{"id":167358,"date":"2023-03-22T08:50:00","date_gmt":"2023-03-22T01:50:00","guid":{"rendered":"https:\/\/mtbtr.com\/news\/?p=167358"},"modified":"2026-04-29T09:51:07","modified_gmt":"2026-04-29T02:51:07","slug":"do-ph-cua-dat","status":"publish","type":"post","link":"https:\/\/mtbtr.com\/news\/do-ph-cua-dat-167358\/","title":{"rendered":"\u0110\u1ed9 PH C\u1ee7a \u0110\u1ea5t L\u00e0 G\u00ec? \u00dd Ngh\u0129a Ch\u1ec9 S\u1ed1 V\u00e0 T\u1ea7m Quan Tr\u1ecdng C\u1ee7a \u0110\u1ed9 PH"},"content":{"rendered":"\n<p style=\"text-align: justify;\"><em><span style=\"font-weight: 400;\"><strong>\u0110\u1ed9 pH c\u1ee7a \u0111\u1ea5t <\/strong>l\u00e0 g\u00ec? \u0110\u1ea5t c\u00f3 \u0111\u1ed9 ph = 5 l\u00e0 lo\u1ea1i \u0111\u1ea5t g\u00ec? \u0110\u1ea5t c\u00f3 \u0111\u1ed9 ph = 6 l\u00e0 lo\u1ea1i \u0111\u1ea5t g\u00ec? \u0110\u1ea5t ph\u00e8n c\u00f3 \u0111\u1ed9 pH l\u00e0 bao nhi\u00eau? \u00dd ngh\u0129a ch\u1ec9 s\u1ed1 v\u00e0 t\u1ea7m quan tr\u1ecdng c\u1ee7a \u0111\u1ed9 pH? C\u00f9ng Mogi t\u00ecm hi\u1ec3u qua b\u00e0i vi\u1ebft sau \u0111\u00e2y.<\/span><\/em><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_63 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >N\u1ed9i dung b&agrave;i vi\u1ebft<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/mtbtr.com\/news\/do-ph-cua-dat-167358\/#Do_PH_cua_dat_la_gi\" title=\"\u0110\u1ed9 PH c\u1ee7a \u0111\u1ea5t l\u00e0 g\u00ec?\">\u0110\u1ed9 PH c\u1ee7a \u0111\u1ea5t l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/mtbtr.com\/news\/do-ph-cua-dat-167358\/#Cac_yeu_to_nao_anh_huong_den_do_PH_cua_dat\" title=\"C\u00e1c y\u1ebfu t\u1ed1 n\u00e0o \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 PH c\u1ee7a \u0111\u1ea5t?\">C\u00e1c y\u1ebfu t\u1ed1 n\u00e0o \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 PH c\u1ee7a \u0111\u1ea5t?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/mtbtr.com\/news\/do-ph-cua-dat-167358\/#Thoi_tiet_khi_hau\" title=\"Th\u1eddi ti\u1ebft, kh\u00ed h\u1eadu\">Th\u1eddi ti\u1ebft, kh\u00ed h\u1eadu<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/mtbtr.com\/news\/do-ph-cua-dat-167358\/#Phan_bon\" title=\"Ph\u00e2n b\u00f3n\">Ph\u00e2n b\u00f3n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/mtbtr.com\/news\/do-ph-cua-dat-167358\/#Loai_cay_trong\" title=\"Lo\u1ea1i c\u00e2y tr\u1ed3ng\">Lo\u1ea1i c\u00e2y tr\u1ed3ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/mtbtr.com\/news\/do-ph-cua-dat-167358\/#Nguon_nuoc_cung_cap\" title=\"Ngu\u1ed3n n\u01b0\u1edbc cung c\u1ea5p\">Ngu\u1ed3n n\u01b0\u1edbc cung c\u1ea5p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/mtbtr.com\/news\/do-ph-cua-dat-167358\/#Loai_dat_canh_tac\" title=\"Lo\u1ea1i \u0111\u1ea5t canh t\u00e1c\">Lo\u1ea1i \u0111\u1ea5t canh t\u00e1c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/mtbtr.com\/news\/do-ph-cua-dat-167358\/#Cac_duong_chat_co_san_trong_dat\" title=\"C\u00e1c d\u01b0\u1ee1ng ch\u1ea5t c\u00f3 s\u1eb5n trong \u0111\u1ea5t\">C\u00e1c d\u01b0\u1ee1ng ch\u1ea5t c\u00f3 s\u1eb5n trong \u0111\u1ea5t<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/mtbtr.com\/news\/do-ph-cua-dat-167358\/#Lay_mau_thu_PH_dat_the_nao_la_dung\" title=\"L\u1ea5y m\u1eabu th\u1eed PH \u0111\u1ea5t th\u1ebf n\u00e0o l\u00e0 \u0111\u00fang?\">L\u1ea5y m\u1eabu th\u1eed PH \u0111\u1ea5t th\u1ebf n\u00e0o l\u00e0 \u0111\u00fang?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/mtbtr.com\/news\/do-ph-cua-dat-167358\/#i\" title=\"\u00a0\">\u00a0<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/mtbtr.com\/news\/do-ph-cua-dat-167358\/#Do_do_pH_cua_dat_truc_tiep\" title=\"\u0110o \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t tr\u1ef1c ti\u1ebfp\u00a0\">\u0110o \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t tr\u1ef1c ti\u1ebfp\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/mtbtr.com\/news\/do-ph-cua-dat-167358\/#Do_do_pH_cua_dat_bang_mau_set\" title=\"\u0110o \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t b\u1eb1ng m\u1eabu s\u1ec7t\">\u0110o \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t b\u1eb1ng m\u1eabu s\u1ec7t<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/mtbtr.com\/news\/do-ph-cua-dat-167358\/#Cac_cach_kiem_tra_do_PH_cua_dat\" title=\"C\u00e1c c\u00e1ch ki\u1ec3m tra \u0111\u1ed9 PH c\u1ee7a \u0111\u1ea5t\">C\u00e1c c\u00e1ch ki\u1ec3m tra \u0111\u1ed9 PH c\u1ee7a \u0111\u1ea5t<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/mtbtr.com\/news\/do-ph-cua-dat-167358\/#Su_dung_quy_tim\" title=\"S\u1eed d\u1ee5ng qu\u1ef3 t\u00edm\">S\u1eed d\u1ee5ng qu\u1ef3 t\u00edm<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/mtbtr.com\/news\/do-ph-cua-dat-167358\/#Su_dung_may_do_PH\" title=\"S\u1eed d\u1ee5ng m\u00e1y \u0111o PH\">S\u1eed d\u1ee5ng m\u00e1y \u0111o PH<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/mtbtr.com\/news\/do-ph-cua-dat-167358\/#Su_dung_but_do_PH\" title=\"S\u1eed d\u1ee5ng b\u00fat \u0111o PH\">S\u1eed d\u1ee5ng b\u00fat \u0111o PH<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/mtbtr.com\/news\/do-ph-cua-dat-167358\/#Su_dung_hoa_chat_de_do_do_pH\" title=\"S\u1eed d\u1ee5ng h\u00f3a ch\u1ea5t \u0111\u1ec3 \u0111o \u0111\u1ed9 pH\">S\u1eed d\u1ee5ng h\u00f3a ch\u1ea5t \u0111\u1ec3 \u0111o \u0111\u1ed9 pH<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/mtbtr.com\/news\/do-ph-cua-dat-167358\/#Y_nghia_chi_so_PH_trong_dat\" title=\"\u00dd ngh\u0129a ch\u1ec9 s\u1ed1 PH trong \u0111\u1ea5t\">\u00dd ngh\u0129a ch\u1ec9 s\u1ed1 PH trong \u0111\u1ea5t<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/mtbtr.com\/news\/do-ph-cua-dat-167358\/#Gia_tri_pH_tu_30_%E2%80%93_60\" title=\"Gi\u00e1 tr\u1ecb pH t\u1eeb 3.0 \u2013 6.0\">Gi\u00e1 tr\u1ecb pH t\u1eeb 3.0 \u2013 6.0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/mtbtr.com\/news\/do-ph-cua-dat-167358\/#Gia_tri_pH_tu_61_%E2%80%93_7\" title=\"Gi\u00e1 tr\u1ecb pH t\u1eeb 6.1 \u2013 7\">Gi\u00e1 tr\u1ecb pH t\u1eeb 6.1 \u2013 7<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/mtbtr.com\/news\/do-ph-cua-dat-167358\/#Gia_tri_pH_tu_71_%E2%80%93_8\" title=\"Gi\u00e1 tr\u1ecb pH t\u1eeb 7.1 \u2013 8\">Gi\u00e1 tr\u1ecb pH t\u1eeb 7.1 \u2013 8<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/mtbtr.com\/news\/do-ph-cua-dat-167358\/#Do_PH_cua_dat_tuong_ung_voi_cac_loai_cay_trong_nao\" title=\"\u0110\u1ed9 PH c\u1ee7a \u0111\u1ea5t t\u01b0\u01a1ng \u1ee9ng v\u1edbi c\u00e1c lo\u1ea1i c\u00e2y tr\u1ed3ng n\u00e0o?\">\u0110\u1ed9 PH c\u1ee7a \u0111\u1ea5t t\u01b0\u01a1ng \u1ee9ng v\u1edbi c\u00e1c lo\u1ea1i c\u00e2y tr\u1ed3ng n\u00e0o?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/mtbtr.com\/news\/do-ph-cua-dat-167358\/#Mot_so_phuong_phap_dieu_chinh_do_PH_cua_dat\" title=\" M\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 PH c\u1ee7a \u0111\u1ea5t\"> M\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 PH c\u1ee7a \u0111\u1ea5t<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/mtbtr.com\/news\/do-ph-cua-dat-167358\/#Ket_luan\" title=\"K\u1ebft lu\u1eadn\">K\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Do_PH_cua_dat_la_gi\"><\/span><b>\u0110\u1ed9 PH c\u1ee7a \u0111\u1ea5t l\u00e0 g\u00ec?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure id=\"attachment_168778\" aria-describedby=\"caption-attachment-168778\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-168778\" src=\"https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21093700\/do-ph-cua-dat-1.jpg\" alt=\" \u0110\u1ed9 PH c\u1ee7a \u0111\u1ea5t l\u00e0 g\u00ec?\" width=\"800\" height=\"565\" title=\"\" srcset=\"https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21093700\/do-ph-cua-dat-1.jpg 800w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21093700\/do-ph-cua-dat-1-300x212.jpg 300w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21093700\/do-ph-cua-dat-1-768x542.jpg 768w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21093700\/do-ph-cua-dat-1-696x492.jpg 696w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-168778\" class=\"wp-caption-text\">\u0110\u1ed9 PH c\u1ee7a \u0111\u1ea5t l\u00e0 g\u00ec?<\/figcaption><\/figure>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u1ed9 pH c\u1ee7a \u0111\u1ea5t hay c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 s\u1ef1 ph\u1ea3n \u1ee9ng c\u1ee7a \u0111\u1ea5t c\u00f3 ch\u1ec9 s\u1ed1 th\u01b0\u1edbc \u0111o t\u1eeb 1 \u0111\u1ebfn 14, d\u00f9ng n\u1ed3ng \u0111\u1ed9 c\u1ee7a ion H+ v\u00e0 OH- c\u00f3 trong \u0111\u1ea5t \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 chua hay ki\u1ec1m. Sau \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 ch\u1ec9 s\u1ed1 ph\u00e2n lo\u1ea1i c\u00e1c lo\u1ea1i \u0111\u1ea5t kh\u00e1c nhau:\u00a0<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">pH = 7: Lo\u1ea1i \u0111\u1ea5t trung t\u00ednh, kh\u00f4ng ki\u1ec1m kh\u00f4ng acid, ph\u00f9 h\u1ee3p v\u1edbi \u0111a s\u1ed1 c\u00e1c gi\u1ed1ng c\u00e2y tr\u1ed3ng.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">pH &gt; 7: \u0110\u1ea5t ki\u1ec1m, c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ea5t b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p b\u00f3n c\u00e1c ho\u1ea1t ch\u1ea5t c\u00f3 kh\u1ea3 n\u0103ng g\u00e2y acid h\u00f3a nh\u01b0 l\u01b0u hu\u1ef3nh, sunphat,&#8230;<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">pH &lt; 7: \u0110\u1ea5t chua, c\u1ea3i t\u1ea1o \u0111\u1ea5t b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p b\u00f3n v\u00f4i b\u1ed9t \u0111i\u1ec1u ch\u1ec9nh.\u00a0<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u1ed9 pH c\u1ee7a \u0111\u1ea5t do m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 h\u00ecnh th\u00e0nh n\u00ean nh\u01b0:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Ion H+ c\u00f3 s\u1eb5n trong dung d\u1ecbch \u0111\u1ea5t, t\u00f9y thu\u1ed9c v\u00e0o n\u1ed3ng \u0111\u1ed9 c\u1ee7a ion H+ cao hay th\u1ea5p th\u00ec dung d\u1ecbch \u0111\u1ea5t s\u1ebd mang t\u00ednh chua nhi\u1ec1u hay \u00edt.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Khi n\u1ed3ng \u0111\u1ed9 H+ cao th\u00ec \u0111\u1ea5t s\u1ebd b\u1ecb chua.\u00a0<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u1ec3 bi\u1ec3u th\u1ecb m\u1ee9c \u0111\u1ed9 chua c\u1ee7a \u0111\u1ea5t th\u00f4ng qua thang \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t nh\u01b0 b\u1ea3ng sau:\u00a0<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">\u0110\u1ed9 pH\u00a0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">\u0110\u00e1nh gi\u00e1\u00a0<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">3.0 &#8211; 4.0\u00a0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">\u0110\u1ea5t r\u1ea5t chua<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">4.0 &#8211; 5.5\u00a0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">\u0110\u1ea5t chua<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">5.5 &#8211; 6.5<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">\u0110\u1ea5t h\u01a1i chua<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">6.5 &#8211; 7.0\u00a0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">\u0110\u1ea5t trung t\u00ednh<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">7.1 &#8211; 7.5<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">\u0110\u1ea5t h\u01a1i ki\u1ec1m<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">7.5 &#8211; 8.0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">\u0110\u1ea5t ki\u1ec1m\u00a0<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">&gt; 8.0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">\u0110\u1ea5t ki\u1ec1m nhi\u1ec1u<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Trong th\u1ef1c t\u1ebf th\u00ec \u0111\u1ea5t th\u01b0\u1eddng s\u1ebd c\u00f3 \u0111\u1ed9 pH t\u1eeb 5.0 &#8211; 7.0 t\u00f9y thu\u1ed9c v\u00e0o m\u1ee9c \u0111\u1ed9 \u0111\u1ec3 c\u00e1c b\u00e1c n\u00f4ng d\u00e2n c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh cho ph\u00f9 h\u1ee3p nh\u1ea5t cho t\u1eebng lo\u1ea1i c\u00e2y tr\u1ed3ng. \u0110a s\u1ed1 c\u00e1c c\u00e2y c\u1ed1i kh\u00f4ng th\u1ec3 tr\u1ed3ng tr\u1ecdt t\u1ed1t n\u1ebfu v\u01b0\u1ee3t qua kh\u1ecfi m\u1ee9c pH n\u00e0y. V\u1eady nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0o \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t?\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><b><i>&gt;&gt;&gt; Xem th\u00eam:<\/i><\/b> <a href=\"https:\/\/mtbtr.com\/news\/do-phi-nhieu-cua-dat-la-gi-157280\/\" target=\"_blank\" rel=\"noopener\"><b><i>\u0110\u1ed9 Ph\u00ec Nhi\u00eau C\u1ee7a \u0110\u1ea5t L\u00e0 G\u00ec? Bi\u1ec7n Ph\u00e1p L\u00e0m T\u0103ng \u0110\u1ed9 Ph\u00ec Nhi\u00eau C\u1ee7a \u0110\u1ea5t<\/i><\/b><\/a><\/p>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Cac_yeu_to_nao_anh_huong_den_do_PH_cua_dat\"><\/span><b>C\u00e1c y\u1ebfu t\u1ed1 n\u00e0o \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 PH c\u1ee7a \u0111\u1ea5t?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u1ed9 pH c\u0169ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 kh\u00e1ch quan t\u00e1c \u0111\u1ed9ng nh\u01b0 sau:\u00a0<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Thoi_tiet_khi_hau\"><\/span><strong><i>Th\u1eddi ti\u1ebft, kh\u00ed h\u1eadu<\/i><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<figure id=\"attachment_168780\" aria-describedby=\"caption-attachment-168780\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-168780\" src=\"https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21093820\/do-ph-cua-dat-2.jpg\" alt=\"Th\u1eddi ti\u1ebft, kh\u00ed h\u1eadu \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 pH nh\u01b0 th\u1ebf n\u00e0o?\" width=\"800\" height=\"565\" title=\"\" srcset=\"https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21093820\/do-ph-cua-dat-2.jpg 800w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21093820\/do-ph-cua-dat-2-300x212.jpg 300w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21093820\/do-ph-cua-dat-2-768x542.jpg 768w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21093820\/do-ph-cua-dat-2-696x492.jpg 696w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-168780\" class=\"wp-caption-text\">Th\u1eddi ti\u1ebft, kh\u00ed h\u1eadu \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 pH nh\u01b0 th\u1ebf n\u00e0o?<\/figcaption><\/figure>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Y\u1ebfu t\u1ed1 th\u1eddi ti\u1ebft v\u00e0 kh\u00ed h\u1eadu nh\u01b0 s\u1ef1 thay \u0111\u1ed5i v\u1ec1 nhi\u1ec7t \u0111\u1ed9, c\u01b0\u1eddng \u0111\u1ed9 \u00e1nh s\u00e1ng, l\u01b0\u1ee3ng m\u01b0a,&#8230; s\u1ebd g\u00e2y bi\u1ebfn \u0111\u1ed5i \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t.\u00a0<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">L\u01b0\u1ee3ng m\u01b0a nhi\u1ec1u s\u1ebd d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng r\u1eeda tr\u00f4i \u0111i nhi\u1ec1u ch\u1ea5t dinh d\u01b0\u1ee1ng t\u1ed1t, l\u00e0m gi\u1ea3m n\u1ed3ng \u0111\u1ed9 ch\u1ea5t trong \u0111\u1ea5t. N\u01b0\u1edbc m\u01b0a khi ti\u1ebfp x\u00fac v\u1edbi c\u00e1c ch\u1ea5t v\u00f4 c\u01a1 nh\u01b0 x\u00e1c \u0111\u1ed9ng v\u1eadt, l\u00e1 c\u00e2y,&#8230; c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc t\u1ea1o axit g\u00e2y gi\u1ea3m n\u1ed3ng \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t. M\u1ed9t s\u1ed1 khu v\u1ef1c c\u00f3 nhi\u1ec1u kh\u00ed th\u1ea3i c\u00f4ng nghi\u1ec7p th\u00ec n\u01b0\u1edbc m\u01b0a c\u00f3 n\u1ed3ng \u0111\u1ed9 axit cao h\u01a1n, nguy c\u01a1 cao khi xu\u1ed1ng \u0111\u1ea5t s\u1ebd l\u00e0m t\u0103ng \u0111\u1ed9 chua ho\u1eb7c t\u00ednh axit c\u1ee7a \u0111\u1ea5t.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">M\u1ed9t s\u1ed1 n\u01a1i c\u00f3 l\u01b0\u1ee3ng m\u01b0a th\u1ea5p ho\u1eb7c kh\u00f4 c\u1eb1n th\u00ec \u0111\u1ea5t s\u1ebd mang \u0111\u1ed9 ki\u1ec1m cao. Nguy\u00ean nh\u00e2n do thi\u1ebfu n\u01b0\u1edbc n\u00ean n\u1ed3ng \u0111\u1ed9 kho\u00e1ng v\u00e0 mu\u1ed1i s\u1ebd v\u01b0\u1ee3t qua gi\u00e1 tr\u1ecb pH trung b\u00ecnh.\u00a0<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">B\u00ean c\u1ea1nh \u0111\u00f3, nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1nh s\u00e1ng g\u00f3p ph\u1ea7n l\u00e0m b\u1ed1c h\u01a1i n\u01b0\u1edbc nhanh h\u01a1n, l\u00e0m gi\u1ea3m \u0111\u1ed9 \u1ea9m v\u00e0 t\u1eeb \u0111\u00f3 g\u00e2y bi\u1ebfn \u0111\u1ed5i \u0111\u1ed9 pH.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Phan_bon\"><\/span><strong><i>Ph\u00e2n b\u00f3n<\/i><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<figure id=\"attachment_168783\" aria-describedby=\"caption-attachment-168783\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-168783\" src=\"https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21093918\/do-ph-cua-dat-3.jpg\" alt=\"Ph\u00e2n b\u00f3n \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t\" width=\"800\" height=\"565\" title=\"\" srcset=\"https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21093918\/do-ph-cua-dat-3.jpg 800w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21093918\/do-ph-cua-dat-3-300x212.jpg 300w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21093918\/do-ph-cua-dat-3-768x542.jpg 768w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21093918\/do-ph-cua-dat-3-696x492.jpg 696w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-168783\" class=\"wp-caption-text\">Ph\u00e2n b\u00f3n \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t<\/figcaption><\/figure>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Ph\u01b0\u01a1ng ph\u00e1p b\u00f3n ph\u00e2n c\u0169ng g\u00f3p ph\u1ea7n gi\u00fap c\u00e2y sinh tr\u01b0\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n t\u1ed1t h\u01a1n. Ph\u00e2n b\u00f3n c\u00f3 t\u00e1c \u0111\u1ed9ng tr\u1ef1c ti\u1ebfp v\u00e0 nhanh ch\u00f3ng \u0111\u1ebfn \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t. Ph\u00e2n b\u00f3n Nit\u01a1 s\u1ebd l\u00e0m gi\u1ea3m \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t, ph\u00e2n b\u00f3n h\u1eefu c\u01a1 th\u00ec tr\u00e1i l\u1ea1i s\u1ebd axit h\u00f3a ngay khi g\u1eb7p n\u01b0\u1edbc.\u00a0<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Loai_cay_trong\"><\/span><strong><i>Lo\u1ea1i c\u00e2y tr\u1ed3ng<\/i><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<figure id=\"attachment_168788\" aria-describedby=\"caption-attachment-168788\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-168788\" src=\"https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21094306\/do-ph-cua-dat-4.jpg\" alt=\"Lo\u1ea1i c\u00e2y tr\u1ed3ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t\" width=\"800\" height=\"565\" title=\"\" srcset=\"https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21094306\/do-ph-cua-dat-4.jpg 800w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21094306\/do-ph-cua-dat-4-300x212.jpg 300w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21094306\/do-ph-cua-dat-4-768x542.jpg 768w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21094306\/do-ph-cua-dat-4-696x492.jpg 696w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-168788\" class=\"wp-caption-text\">Lo\u1ea1i c\u00e2y tr\u1ed3ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t<\/figcaption><\/figure>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh \u0111\u1ed9 pH ban \u0111\u1ea7u c\u1ee7a \u0111\u1ea5t l\u00e0 l\u00e0 lo\u1ea1i c\u00e2y tr\u1ed3ng tr\u1ecdt \u1edf v\u00f9ng \u0111\u1ea5t \u0111\u00f3. \u0110\u1ea5t \u1edf n\u01a1i c\u00f3 nhi\u1ec1u l\u00e1 c\u00e2y, sinh v\u1eadt ch\u1ebft th\u00ec \u0111\u1ed9 pH s\u1ebd th\u1ea5p nh\u01b0ng t\u00ednh axit l\u1ea1i cao. V\u00ec v\u1eady, \u0111\u1ea5t \u1edf d\u01b0\u1edbi c\u00e2y c\u1ecf th\u01b0\u1eddng c\u00f3 t\u00ednh axit th\u1ea5p h\u01a1n so v\u1edbi \u0111\u1ea5t \u00edt c\u1ecf v\u00e0 d\u01b0\u1edbi t\u00e1n c\u00e2y l\u1edbn.\u00a0<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Nguon_nuoc_cung_cap\"><\/span><strong><i>Ngu\u1ed3n n\u01b0\u1edbc cung c\u1ea5p<\/i><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<figure id=\"attachment_168790\" aria-describedby=\"caption-attachment-168790\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-168790\" src=\"https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21094402\/do-ph-cua-dat-5.jpg\" alt=\"Ngu\u1ed3n n\u01b0\u1edbc \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t\" width=\"800\" height=\"565\" title=\"\" srcset=\"https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21094402\/do-ph-cua-dat-5.jpg 800w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21094402\/do-ph-cua-dat-5-300x212.jpg 300w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21094402\/do-ph-cua-dat-5-768x542.jpg 768w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21094402\/do-ph-cua-dat-5-696x492.jpg 696w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-168790\" class=\"wp-caption-text\">Ngu\u1ed3n n\u01b0\u1edbc \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t<\/figcaption><\/figure>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u1ed9 pH c\u1ee7a ngu\u1ed3n n\u01b0\u1edbc c\u0169ng g\u00e2y bi\u1ebfn \u0111\u1ed5i v\u00e0 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t. L\u01b0\u1ee3ng n\u01b0\u1edbc t\u01b0\u1edbi ti\u00eau cho \u0111\u1ea5t c\u00f3 t\u00ednh axit ho\u1eb7c bazo nhi\u1ec1u th\u00ec \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t s\u1ebd bi\u1ebfn \u0111\u1ed5i theo chi\u1ec1u h\u01b0\u1edbng pH c\u1ee7a n\u01b0\u1edbc. Do \u0111\u00f3, b\u1ea1n c\u1ea7n \u0111\u1ec3 \u00fd \u0111\u1ed9 pH c\u1ee7a n\u01b0\u1edbc tr\u01b0\u1edbc khi quy\u1ebft \u0111\u1ecbnh t\u01b0\u1edbi ti\u00eau cho \u0111\u1ea5t tr\u1ed3ng c\u1ee7a m\u00ecnh.\u00a0\u00a0<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Loai_dat_canh_tac\"><\/span><strong><i>Lo\u1ea1i \u0111\u1ea5t canh t\u00e1c<\/i><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<figure id=\"attachment_168792\" aria-describedby=\"caption-attachment-168792\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-168792\" src=\"https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21094517\/do-ph-cua-dat-6.jpg\" alt=\"Lo\u1ea1i \u0111\u1ea5t canh t\u00e1c l\u00e0 m\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t\" width=\"800\" height=\"565\" title=\"\" srcset=\"https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21094517\/do-ph-cua-dat-6.jpg 800w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21094517\/do-ph-cua-dat-6-300x212.jpg 300w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21094517\/do-ph-cua-dat-6-768x542.jpg 768w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21094517\/do-ph-cua-dat-6-696x492.jpg 696w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-168792\" class=\"wp-caption-text\">Lo\u1ea1i \u0111\u1ea5t canh t\u00e1c l\u00e0 m\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t<\/figcaption><\/figure>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u1ea5t canh t\u00e1c c\u0169ng g\u00f3p ph\u1ea7n l\u00e0m bi\u1ebfn \u0111\u1ed5i \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t. \u0110\u1ea5t kho\u00e1ng s\u00e9t th\u00ec t\u00ednh axit cao; trong khi \u0111\u1ea5t \u0111\u00e1 v\u00f4i l\u1ea1i c\u00f3 t\u00ednh ki\u1ec1m cao. C\u1ea5u tr\u00fac \u0111\u1ea5t tr\u1ed3ng c\u00f3 th\u1ec3 hi\u1ec7u ch\u1ec9nh \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t. \u0110\u1ea5t c\u00e1t s\u1ebd d\u1ec5 c\u1ea3i t\u1ea1o h\u01a1n \u0111\u1ea5t kho\u00e1ng s\u00e9t. H\u00e3y x\u00e1c \u0111\u1ecbnh lo\u1ea1i \u0111\u1ea5t canh t\u00e1c ph\u00f9 h\u1ee3p \u0111\u1ec3 tr\u1ed3ng tr\u1ecdt.\u00a0<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Cac_duong_chat_co_san_trong_dat\"><\/span><strong><i>C\u00e1c d\u01b0\u1ee1ng ch\u1ea5t c\u00f3 s\u1eb5n trong \u0111\u1ea5t<\/i><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<figure id=\"attachment_168794\" aria-describedby=\"caption-attachment-168794\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-168794\" src=\"https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21094627\/do-ph-cua-dat-7.jpg\" alt=\"C\u00e1c d\u01b0\u1ee1ng ch\u1ea5t c\u00f3 trong \u0111\u1ea5t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t\" width=\"800\" height=\"565\" title=\"\" srcset=\"https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21094627\/do-ph-cua-dat-7.jpg 800w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21094627\/do-ph-cua-dat-7-300x212.jpg 300w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21094627\/do-ph-cua-dat-7-768x542.jpg 768w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21094627\/do-ph-cua-dat-7-696x492.jpg 696w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-168794\" class=\"wp-caption-text\">C\u00e1c d\u01b0\u1ee1ng ch\u1ea5t c\u00f3 trong \u0111\u1ea5t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t<\/figcaption><\/figure>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">T\u1eebng lo\u1ea1i c\u00e2y tr\u1ed3ng s\u1ebd c\u00f3 m\u1ef1c \u0111\u1ed9 pH ph\u00f9 h\u1ee3p \u0111\u1ec3 ph\u00e1t tri\u1ec3n v\u00e0 sinh tr\u01b0\u1edfng t\u1ed1t h\u01a1n. Do \u0111\u00f3, \u0111\u1ed9 pH qu\u00e1 th\u1ea5p th\u00ec c\u00e2y s\u1ebd g\u1eb7p t\u00ecnh tr\u1ea1ng nhi\u1ec5m \u0111\u1ed9c do nh\u00f4m. Nh\u00f4m \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh \u1edf d\u1ea1ng kh\u00f4ng li\u00ean k\u1ebft khi \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t qu\u00e1 th\u1ea5p v\u00e0 c\u00e2y tr\u1ed3ng h\u1ea5p th\u1ee5 \u1edf m\u1ee9c \u0111\u1ed9 \u0111\u1ed9c h\u1ea1i.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">N\u1ebfu \u0111\u1ed9 pH qu\u00e1 cao th\u00ec m\u1ed9t s\u1ed1 d\u01b0\u1ee1ng ch\u1ea5t nh\u01b0 s\u1eaft s\u1ebd \u1edf d\u1ea1ng li\u00ean k\u1ebft. V\u00ec v\u1eady, c\u00e2y tr\u1ed3ng kh\u00f4ng h\u1ea5p thu \u0111\u01b0\u1ee3c, thi\u1ebfu s\u1eaft c\u00e2y s\u1ebd g\u1eb7p t\u00ecnh tr\u1ea1ng m\u1ea5t ch\u1ea5t di\u1ec7p l\u1ee5c, chuy\u1ec3n d\u1ea7n sang m\u00e0u v\u00e0ng, quang h\u1ee3p k\u00e9m v\u00e0 kh\u00f3 kh\u0103n trong qu\u00e1 tr\u00ecnh t\u1ed5ng h\u1ee3p th\u1ee9c \u0103n. K\u1ebft qu\u1ea3 c\u00e2y s\u1ebd ph\u00e1t tri\u1ec3n k\u00e9m, suy dinh d\u01b0\u1ee1ng v\u00e0 c\u00f2i c\u1ecdc.\u00a0\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><b><i>&gt;&gt;&gt; Xem th\u00eam: <\/i><\/b><b><i>\u0110\u1ea5t Tr\u1ed3ng C\u00f3 Vai Tr\u00f2 G\u00ec? T\u1ea7m Quan Tr\u1ecdng C\u1ee7a \u0110\u1ea5t Tr\u1ed3ng Trong N\u1ec1n N\u00f4ng Nghi\u1ec7p<\/i><\/b><\/p>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Lay_mau_thu_PH_dat_the_nao_la_dung\"><\/span><b>L\u1ea5y m\u1eabu th\u1eed PH \u0111\u1ea5t th\u1ebf n\u00e0o l\u00e0 \u0111\u00fang?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure id=\"attachment_168796\" aria-describedby=\"caption-attachment-168796\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-168796\" src=\"https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21094729\/do-ph-cua-dat-8.jpg\" alt=\"L\u1ea5y m\u1eabu th\u1eed PH \u0111\u1ea5t th\u1ebf n\u00e0o l\u00e0 \u0111\u00fang?\n\" width=\"800\" height=\"565\" title=\"\" srcset=\"https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21094729\/do-ph-cua-dat-8.jpg 800w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21094729\/do-ph-cua-dat-8-300x212.jpg 300w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21094729\/do-ph-cua-dat-8-768x542.jpg 768w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21094729\/do-ph-cua-dat-8-696x492.jpg 696w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-168796\" class=\"wp-caption-text\">L\u1ea5y m\u1eabu th\u1eed PH \u0111\u1ea5t th\u1ebf n\u00e0o l\u00e0 \u0111\u00fang?<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"i\"><\/span>\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Do_do_pH_cua_dat_truc_tiep\"><\/span><strong><i>\u0110o \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t tr\u1ef1c ti\u1ebfp\u00a0<\/i><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Khi l\u1ea5y m\u1eabu th\u1eed tr\u1ef1c ti\u1ebfp \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t th\u00ec ta th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc sau:\u00a0<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">T\u1ea1o m\u1ed9t l\u1ed7 h\u1ed5ng \u0111\u1ec1u nhau trong \u0111\u1ea5t b\u1eb1ng m\u0169i khoan ho\u1eb7c th\u01b0\u1edbc.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Th\u00eam n\u01b0\u1edbc c\u1ea5t ho\u1eb7c n\u01b0\u1edbc kh\u1eed ion sao cho \u0111\u1ed9 \u1ea9m \u0111\u1ea5t v\u1eeba \u0111\u1ee7 \u0111\u1ec3 h\u1ea1n ch\u1ebf vi\u1ec7c h\u00f2a tan h\u1ebft \u0111\u1ea5t trong n\u01b0\u1edbc.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u0110\u1eb7t thi\u1ebft b\u1ecb \u0111o \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t v\u00e0o l\u1ed7 v\u00e0 ch\u1edd k\u1ebft qu\u1ea3 hi\u1ec3n th\u1ecb.\u00a0\u00a0<\/span><\/li>\n<\/ul>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Do_do_pH_cua_dat_bang_mau_set\"><\/span><strong><i>\u0110o \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t b\u1eb1ng m\u1eabu s\u1ec7t<\/i><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<figure id=\"attachment_168798\" aria-describedby=\"caption-attachment-168798\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-168798\" src=\"https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21094846\/do-ph-cua-dat-9.jpg\" alt=\"\u0110o \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t b\u1eb1ng m\u1eabu s\u1ec7t\n\" width=\"800\" height=\"565\" title=\"\" srcset=\"https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21094846\/do-ph-cua-dat-9.jpg 800w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21094846\/do-ph-cua-dat-9-300x212.jpg 300w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21094846\/do-ph-cua-dat-9-768x542.jpg 768w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21094846\/do-ph-cua-dat-9-696x492.jpg 696w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-168798\" class=\"wp-caption-text\">\u0110o \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t b\u1eb1ng m\u1eabu s\u1ec7t<\/figcaption><\/figure>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Khi \u0111o \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t b\u1eb1ng m\u1eabu s\u1ec7t, th\u00ec \u0111\u1ea7u ti\u00ean ta l\u1ea5y m\u1ed9t m\u1eabu \u0111\u1ea1i di\u1ec7n cho c\u1ea3 di\u1ec7n t\u00edch \u0111\u1ea5t tr\u1ed3ng. Do \u0111\u1ed9 pH \u0111\u1ea5t s\u1ebd bi\u1ebfn \u0111\u1ed5i trong m\u1ed9t di\u1ec7n t\u00edch nh\u1ecf n\u00ean m\u1eabu \u0111\u1ea5t l\u1ea5y ph\u1ea3i ch\u1eafc ch\u1eafn chu\u1ea9n l\u00e0 m\u1eabu \u0111\u1ea1i di\u1ec7n.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">V\u1ecb tr\u00ed l\u1ea5y m\u1eabu \u0111\u1ea5t n\u00ean b\u00ean c\u1ea1nh c\u00e2y tr\u1ed3ng v\u00e0 m\u1ed9t s\u1ed1 m\u1eabu \u1edf c\u00e1ch xa nh\u1eb1m l\u1ea5y \u0111\u01b0\u1ee3c 2 m\u1eabu kh\u00e1c bi\u1ec7t nhau. B\u1ea1n th\u1ef1c hi\u1ec7n l\u1ea5y 5 m\u1eabu \u0111\u1ea5t t\u1ea1i 4 khu \u0111\u1ea5t ki\u1ec3m tra v\u00e0 1 m\u1eabu \u1edf \u0111i\u1ec3m trung t\u00e2m.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">M\u1eabu \u0111\u1ea5t n\u00ean \u0111\u01b0\u1ee3c l\u1ea5y \u1edf c\u00f9ng \u0111\u1ed9 s\u00e2u so v\u1edbi b\u1ec1 m\u1eb7t cho m\u1ed7i l\u1ea7n ki\u1ec3m tra. T\u1ea1i m\u1ed7i \u0111i\u1ec3m l\u1ea5y m\u1eabu th\u00ec \u0111\u00e0o h\u1ed5 v\u1edbi \u0111\u01b0\u1eddng k\u00ednh 50 x 50 x 50 cm, d\u00f9ng x\u1ebbng x\u1eafn theo th\u00e0nh th\u1eb3ng \u0111\u1ee9ng \u0111\u1ec3 l\u1ea5y l\u1edbp \u0111\u1ea5t m\u1ecfng theo chi\u1ec1u s\u00e2u t\u1eeb tr\u00ean l\u1edbp \u0111\u1ea5t m\u1eb7t t\u1edbi \u0111\u1ed9 s\u00e2u 40cm.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">B\u1ea1n c\u1ea7n ph\u1ea3i \u0111\u00e1nh d\u1ea5u \u0111\u1ed9 pH t\u1ea1i c\u00e1c \u0111\u1ecba \u0111i\u1ec3m l\u1ea5y m\u1eabu v\u00ec l\u01b0\u1ee3ng ch\u1ea5t dinh d\u01b0\u1ee1ng, lo\u1ea1i \u0111\u1ea5t canh t\u00e1c v\u00e0 \u0111\u1ed9 \u1ea9m s\u1ebd bi\u1ebfn \u0111\u1ed5i li\u00ean t\u1ee5c.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">L\u1ea5y kho\u1ea3ng 0.5 kg \u0111\u1ea5t r\u1ed3i tr\u1ed9n l\u1eabn v\u00e0o nhau, \u0111\u1ec3 kh\u00f4, t\u00e1n nh\u1ecf v\u00e0 c\u00e2n l\u1ea5y 0.1 kg \u0111\u1ec3 mang \u0111i \u0111o \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Cho m\u1eabu \u0111\u1ea5t l\u1ea5y \u0111\u01b0\u1ee3c v\u00e0o c\u1ed1c c\u00f3 dung t\u00edch 0.5l r\u1ed3i th\u00eam \u2154 n\u01b0\u1edbc v\u00e0o \u0111\u1ec3 khu\u1ea5y \u0111\u1ec1u cho h\u1ed7n h\u1ee3p tan.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Ch\u1edd \u0111\u1ee3i 30 ph\u00fat \u0111\u1ec3 l\u1eafng v\u00e0 \u0111\u1ed5 l\u1edbp n\u01b0\u1edbc ph\u00eda tr\u00ean \u0111i.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><b><i>&gt;&gt;&gt; Xem th\u00eam: <\/i><\/b><strong><a href=\"https:\/\/mtbtr.com\/news\/luc-la-dat-gi-137040\/\" target=\"_blank\" rel=\"noopener\">Gi\u1ea3i \u0110\u00e1p: \u0110\u1ea5t LUC L\u00e0 \u0110\u1ea5t G\u00ec? \u0110\u1ea5t LUC C\u00f3 X\u00e2y Nh\u00e0 \u0110\u01b0\u1ee3c Kh\u00f4ng?<\/a><\/strong><\/p>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Cac_cach_kiem_tra_do_PH_cua_dat\"><\/span><b>C\u00e1c c\u00e1ch ki\u1ec3m tra \u0111\u1ed9 PH c\u1ee7a \u0111\u1ea5t<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Su_dung_quy_tim\"><\/span><strong><i>S\u1eed d\u1ee5ng qu\u1ef3 t\u00edm<\/i><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<figure id=\"attachment_168800\" aria-describedby=\"caption-attachment-168800\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-168800\" src=\"https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21095236\/do-ph-cua-dat-10.jpg\" alt=\"S\u1eed d\u1ee5ng qu\u1ef3 t\u00edm \u0111\u1ec3 \u0111o \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t \" width=\"800\" height=\"565\" title=\"\" srcset=\"https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21095236\/do-ph-cua-dat-10.jpg 800w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21095236\/do-ph-cua-dat-10-300x212.jpg 300w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21095236\/do-ph-cua-dat-10-768x542.jpg 768w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21095236\/do-ph-cua-dat-10-696x492.jpg 696w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-168800\" class=\"wp-caption-text\">S\u1eed d\u1ee5ng qu\u1ef3 t\u00edm \u0111\u1ec3 \u0111o \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t<\/figcaption><\/figure>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Th\u1ef1c hi\u1ec7n nh\u00fang gi\u1ea5y qu\u1ef3 t\u00edm v\u00e0 dung d\u1ecbch \u0111\u1ec3 ng\u1ea5m tr\u00ean b\u1ec1 m\u1eb7t gi\u1ea5y r\u1ed3i ch\u1edd 1 ph\u00fat \u0111\u1ec3 th\u1ea5y s\u1ef1 thay \u0111\u1ed5i m\u00e0u s\u1eafc tr\u00ean gi\u1ea5y.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u1ed1i chi\u1ebfu m\u00e0u s\u1eafc tr\u00ean gi\u1ea5y v\u1edbi b\u1ea3ng m\u00e0u \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t v\u00e0 gi\u00e1 tr\u1ecb \u0111\u1ea5t c\u1ea7n ki\u1ec3m tra.\u00a0<\/span><\/p>\n<ul>\n<li><i><span style=\"font-weight: 400;\">\u01afu \u0111i\u1ec3m: <\/span><\/i><span style=\"font-weight: 400;\">Gi\u00e1 th\u00e0nh r\u1ebb, d\u1ec5 th\u1ef1c hi\u1ec7n.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\"><i><span style=\"font-weight: 400;\">Nh\u01b0\u1ee3c \u0111i\u1ec3m:\u00a0<\/span><\/i><\/li>\n<\/ul>\n<ol>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Dung d\u1ecbch h\u00f2a tan c\u1ee7a \u0111\u1ea5t s\u1ebd th\u01b0\u01a1ng mang m\u00e0u t\u1ed1i h\u01a1n n\u00ean ng\u01b0\u1eddi th\u1ef1c hi\u1ec7n s\u1ebd kh\u00f3 \u0111\u1ecdc \u0111\u00fang k\u1ebft qu\u1ea3. Ngo\u00e0i ra, c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u1ebft qu\u1ea3 nh\u01b0 \u00e1nh s\u00e1ng, g\u00f3c \u0111\u1ecdc, ng\u01b0\u1eddi \u0111\u1ecdc th\u00ec k\u1ebft qu\u1ea3 \u0111\u00f4i khi kh\u00f4ng \u0111\u01b0\u1ee3c th\u1ed1ng nh\u1ea5t v\u1edbi nhau.\u00a0<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Sai s\u1ed1 c\u1ee7a k\u1ebft qu\u1ea3 cho ph\u01b0\u01a1ng ph\u00e1p n\u00e0y l\u00e0 0.5, b\u1ecb \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn vi\u1ec7c c\u1ea3i t\u1ea1o \u0111\u1ea5t kh\u00f4ng ch\u00ednh x\u00e1c.<\/span><\/li>\n<\/ol>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Su_dung_may_do_PH\"><\/span><strong><i>S\u1eed d\u1ee5ng m\u00e1y \u0111o PH<\/i><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<figure id=\"attachment_168802\" aria-describedby=\"caption-attachment-168802\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-168802\" src=\"https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21095421\/do-ph-cua-dat-11.jpg\" alt=\"M\u00e1y \u0111o \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t\" width=\"800\" height=\"565\" title=\"\" srcset=\"https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21095421\/do-ph-cua-dat-11.jpg 800w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21095421\/do-ph-cua-dat-11-300x212.jpg 300w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21095421\/do-ph-cua-dat-11-768x542.jpg 768w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21095421\/do-ph-cua-dat-11-696x492.jpg 696w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-168802\" class=\"wp-caption-text\">M\u00e1y \u0111o \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t<\/figcaption><\/figure>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Nh\u00fang kim \u0111o v\u00e0o m\u1eabu th\u1eed th\u00ec th\u00e2n m\u00e1y s\u1ebd c\u00f3 \u0111\u1ed3ng h\u1ed3 hi\u1ec3n th\u1ecb s\u1ed1 pH.<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><i><span style=\"font-weight: 400;\">\u01afu \u0111i\u1ec3m:<\/span><\/i><\/li>\n<\/ul>\n<ol style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Thu\u1eadn ti\u1ec7n cho vi\u1ec7c s\u1eed d\u1ee5ng trong c\u00e1c kh\u00f4ng gian th\u00ed nghi\u1ec7m.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">C\u00f3 t\u00ednh n\u0103ng b\u00f9 tr\u1eeb nhi\u1ec7t \u0111\u1ed9 v\u1edbi t\u00edch h\u1ee3p \u0111\u1ea7u d\u00f2 nhi\u1ec7t \u0111\u1ed9 g\u1eafn li\u1ec1n v\u1edbi m\u00e1y ho\u1eb7c t\u00e1ch r\u1eddi.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u0110\u1ed9 sai s\u1ed1 0.001 pH.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">K\u1ebft qu\u1ea3 \u0111o \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t v\u1edbi \u0111\u1ea7y \u0111\u1ee7 th\u00f4ng tin v\u1ec1 ng\u00e0y th\u00e1ng, th\u1eddi gian, d\u1eef li\u1ec7u hi\u1ec7u chu\u1ea9n v\u00e0 d\u1eef li\u1ec7u l\u01b0u tr\u1eef.<\/span><\/li>\n<\/ol>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><i><span style=\"font-weight: 400;\">Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/span><\/i><span style=\"font-weight: 400;\"> Chi ph\u00ed cao h\u01a1n, \u0111\u00f2i h\u1ecfi \u0111\u00fang quy tr\u00ecnh k\u1ef9 thu\u1eadt v\u00e0 b\u1ea3o d\u01b0\u1ee1ng c\u1ea9n th\u1eadn.<\/span><\/li>\n<\/ul>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Su_dung_but_do_PH\"><\/span><strong><i>S\u1eed d\u1ee5ng b\u00fat \u0111o PH<\/i><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<figure id=\"attachment_168804\" aria-describedby=\"caption-attachment-168804\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-168804\" src=\"https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21095513\/do-ph-cua-dat-12.jpg\" alt=\"S\u1eed d\u1ee5ng b\u00fat \u0111o \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t\" width=\"800\" height=\"565\" title=\"\" srcset=\"https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21095513\/do-ph-cua-dat-12.jpg 800w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21095513\/do-ph-cua-dat-12-300x212.jpg 300w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21095513\/do-ph-cua-dat-12-768x542.jpg 768w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21095513\/do-ph-cua-dat-12-696x492.jpg 696w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-168804\" class=\"wp-caption-text\">S\u1eed d\u1ee5ng b\u00fat \u0111o \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t<\/figcaption><\/figure>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><i><span style=\"font-weight: 400;\">\u01afu \u0111i\u1ec3m<\/span><\/i><\/li>\n<\/ul>\n<ol style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">B\u00fat \u0111o pH c\u1ee7a \u0111\u1ea5t t\u00edch h\u1ee3p \u0111\u1ea7u d\u00f2 pH b\u00ean trong th\u00e2n m\u00e1y s\u1ebd mang \u0111\u1ebfn k\u1ebft qu\u1ea3 \u0111o ch\u00ednh x\u00e1c cao h\u01a1n, m\u00e0n h\u00ecnh LCD s\u1ebd hi\u1ec3n th\u1ecb gi\u00e1 tr\u1ecb k\u1ebft qu\u1ea3.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u0110\u1ed9 sai s\u1ed1 th\u1ea5p ch\u1ec9 t\u1eeb 0.01- 0.1<\/span><\/li>\n<\/ol>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><i><span style=\"font-weight: 400;\">Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/span><\/i><span style=\"font-weight: 400;\"> ph\u01b0\u01a1ng ph\u00e1p c\u1ea7n \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n t\u1ed1t, chi ph\u00ed mua b\u00fat cao h\u01a1n.<\/span><\/li>\n<\/ul>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Su_dung_hoa_chat_de_do_do_pH\"><\/span><strong><i>S\u1eed d\u1ee5ng h\u00f3a ch\u1ea5t \u0111\u1ec3 \u0111o \u0111\u1ed9 pH<\/i><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">H\u00f3a ch\u1ea5t \u0111o \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t b\u1eaft bu\u1ed9c ph\u1ea3i \u1edf d\u1ea1ng tinh khi\u1ebft v\u00e0 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ebf v\u00e0 ng\u01b0\u1eddi th\u1ef1c hi\u1ec7n ph\u1ea3i c\u00f3 tr\u00ecnh \u0111\u1ed9 ki\u1ebfn th\u1ee9c t\u1ed1t \u1edf m\u00f4i tr\u01b0\u1eddng ph\u00f2ng th\u00ed nghi\u1ec7m.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">C\u00e1c lo\u1ea1i h\u00f3a ch\u1ea5t th\u01b0\u1eddng d\u00f9ng:<\/span><\/li>\n<\/ul>\n<ol>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Methyl Red: Chuy\u1ec3n \u0111\u1ecf khi pH &lt; 4, v\u00e0ng khi pH &gt; 7, trong kho\u1ea3ng 4 &lt; pH &lt; 7, h\u00f3a ch\u1ea5t bi\u1ebfn \u0111\u1ed5i t\u1eeb \u0111\u1ecf sang \u0111\u1ecf cam, cam v\u00e0 cu\u1ed1i c\u00f9ng l\u00e0 v\u00e0ng.<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Bromthymol Blue: Chuy\u1ec3n v\u00e0ng khi pH &lt; 6, xanh d\u01b0\u01a1ng khi pH &gt; 8 v\u00e0 t\u1eeb 6 &lt; pH &lt; 8, dung d\u1ecbch hi\u1ec7n m\u00e0u l\u1ea7n l\u01b0\u1ee3t l\u00e0 v\u00e0ng, v\u00e0ng xanh, xanh l\u00e1 c\u00e2y, xanh d\u01b0\u01a1ng.<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Phenol phtalein: pH &lt; 8, dung d\u1ecbch gi\u1eef nguy\u00ean m\u00e0u v\u00e0 pH &gt; 10 th\u00ec chuy\u1ec3n sang m\u00e0u \u0111\u1ecf.<\/span><\/li>\n<\/ol>\n<p style=\"text-align: justify;\"><b><i>&gt;&gt;&gt; Xem th\u00eam: <a href=\"https:\/\/mtbtr.com\/news\/dat-tho-cu-32456\/\" target=\"_blank\" rel=\"noopener\">\u0110\u1ea5t th\u1ed5 c\u01b0 v\u00e0 nh\u1eefng \u0111i\u1ec1u b\u1ea1n c\u1ea7n bi\u1ebft v\u1ec1 lo\u1ea1i \u0111\u1ea5t n\u00e0y<\/a><\/i><\/b><\/p>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Y_nghia_chi_so_PH_trong_dat\"><\/span><b>\u00dd ngh\u0129a ch\u1ec9 s\u1ed1 PH trong \u0111\u1ea5t<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure id=\"attachment_168806\" aria-describedby=\"caption-attachment-168806\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-168806\" src=\"https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21095617\/do-ph-cua-dat-13.jpg\" alt=\"\u00dd ngh\u0129a ch\u1ec9 s\u1ed1 PH trong \u0111\u1ea5t\n\" width=\"800\" height=\"565\" title=\"\" srcset=\"https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21095617\/do-ph-cua-dat-13.jpg 800w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21095617\/do-ph-cua-dat-13-300x212.jpg 300w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21095617\/do-ph-cua-dat-13-768x542.jpg 768w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21095617\/do-ph-cua-dat-13-696x492.jpg 696w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-168806\" class=\"wp-caption-text\">\u00dd ngh\u0129a ch\u1ec9 s\u1ed1 PH trong \u0111\u1ea5t<\/figcaption><\/figure>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Gia_tri_pH_tu_30_%E2%80%93_60\"><\/span><strong><i>Gi\u00e1 tr\u1ecb pH t\u1eeb 3.0 \u2013 6.0<\/i><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Gi\u00e1 tr\u1ecb pH t\u1eeb 3.0 &#8211; 6.0 th\u01b0\u1eddng s\u1ebd mang t\u00ednh axit cao (\u0111\u1ea5t r\u1ea5t chua) n\u00ean c\u00e2y tr\u1ed3ng kh\u00f3 h\u1ea5p thu \u0111\u01b0\u1ee3c c\u00e1c d\u01b0\u1ee1ng ch\u1ea5t nh\u01b0 Kali (K), Molipden (Mo), Photpho (P),&#8230; C\u00e1c ch\u1ea5t n\u00e0y v\u1eabn c\u00f3 trong \u0111\u1ea5t nh\u01b0ng do t\u00ednh axit cao n\u00ean nguy\u00ean t\u1ed1 kh\u00f4ng h\u00f2a tan v\u00e0 b\u1ecb gi\u1eef ch\u1eb7t l\u1ea1i trong \u0111\u1ea5t. C\u00e2y tr\u1ed3ng kh\u00f3 h\u1ea5p thu v\u00e0 thi\u1ebfu l\u00e2n d\u00f9 trong \u0111\u1ea5t l\u00e2n c\u00f3 r\u1ea5t nhi\u1ec1u.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Ngo\u00e0i ra, h\u00e0m l\u01b0\u1ee3ng nh\u00f4m (Al), s\u1eaft (Fe) v\u00e0 Mangan (Mn) h\u00f2a tan cao \u1edf m\u1ef1c pH n\u00e0y s\u1ebd \u0111\u1ed9c h\u1ea1i cho c\u00e2y. L\u01b0\u1ee3ng ion nh\u00f4m cao l\u00e0m cho r\u1ec5 c\u00e2y ng\u1ed9 \u0111\u1ed9c, b\u1ecd b\u00f3 ch\u00f9n l\u1ea1i kh\u00f4ng ph\u00e1t tri\u1ec3n, suy gi\u1ea3m h\u1ec7 mi\u1ec5n d\u1ecbch, s\u1ee9c \u0111\u1ec1 kh\u00e1ng khi\u1ebfn c\u00e2y kh\u00f3 h\u1ea5p th\u1ee5 n\u01b0\u1edbc v\u00e0 dinh d\u01b0\u1ee1ng. \u0110\u00e2y l\u00e0 c\u01a1 h\u1ed9i v\u00e0ng \u0111\u1ec3 n\u1ea5m b\u1ec7nh t\u1ea5n c\u00f4ng, g\u00e2y n\u00ean b\u1ec7nh v\u00e0ng l\u00e1 th\u1ed1i r\u1ec5. \u0110a s\u1ed1 c\u00e1c vi sinh v\u1eadt s\u1ebd b\u1ecb b\u00ed ch\u1eb7t, ngh\u00e8o dinh d\u01b0\u1ee1ng.\u00a0<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Gia_tri_pH_tu_61_%E2%80%93_7\"><\/span><strong><i>Gi\u00e1 tr\u1ecb pH t\u1eeb 6.1 \u2013 7<\/i><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<figure id=\"attachment_168808\" aria-describedby=\"caption-attachment-168808\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-168808\" src=\"https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21095737\/do-ph-cua-dat-14.jpg\" alt=\"\u0110\u1ed9 PH c\u1ee7a \u0111\u1ea5t t\u1ea1o n\u00ean lo\u1ea1i \u0111\u1ea5t tr\u1ed3ng \u0111\u1eb7c tr\u01b0ng\" width=\"800\" height=\"565\" title=\"\" srcset=\"https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21095737\/do-ph-cua-dat-14.jpg 800w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21095737\/do-ph-cua-dat-14-300x212.jpg 300w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21095737\/do-ph-cua-dat-14-768x542.jpg 768w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21095737\/do-ph-cua-dat-14-696x492.jpg 696w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-168808\" class=\"wp-caption-text\">\u0110\u1ed9 PH c\u1ee7a \u0111\u1ea5t t\u1ea1o n\u00ean lo\u1ea1i \u0111\u1ea5t tr\u1ed3ng \u0111\u1eb7c tr\u01b0ng<\/figcaption><\/figure>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">M\u1ee9c \u0111\u1ed9 pH n\u00e0y th\u01b0\u1eddng \u0111\u1ea5t s\u1ebd mang t\u00ednh acid trung b\u00ecnh, ph\u00f9 h\u1ee3p v\u1edbi h\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i \u0111\u1ea5t tr\u1ed3ng kh\u00e1c nhau. L\u01b0\u1ee3ng ch\u1ea5t dinh d\u01b0\u1ee1ng trong \u0111\u1ea5t c\u0169ng l\u00fd t\u01b0\u1edfng \u0111\u1ea5t c\u00e2y sinh tr\u01b0\u1edfng t\u1ed1t. M\u00f4i tr\u01b0\u1eddng \u0111\u1ea5t c\u00f3 c\u00e1c lo\u1ea1i sinh v\u1eadt c\u00f3 l\u1ee3i nhi\u1ec1u nh\u1ea5t.\u00a0<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Gia_tri_pH_tu_71_%E2%80%93_8\"><\/span><strong><i>Gi\u00e1 tr\u1ecb pH t\u1eeb 7.1 \u2013 8<\/i><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u1ed9 pH c\u1ee7a \u0111\u1ea5t \u1edf m\u1ee9c n\u00e0y c\u00f3 t\u00ednh h\u01a1i ki\u1ec1m, ch\u1ee9a c\u00e1c nguy\u00ean t\u1ed1 ki\u1ec1m nh\u01b0 Mangan (Mn), S\u1eaft (Fe),&#8230; s\u1ebd l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng cho Canxi (Ca) b\u1ecb m\u1ea5t \u0111\u1ed9 c\u00e2n b\u1eb1ng, c\u00e2y s\u1ebd b\u1ecb v\u00e0ng \u1edf c\u00e1c c\u00e0nh l\u00e1 m\u1edbi.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Do_PH_cua_dat_tuong_ung_voi_cac_loai_cay_trong_nao\"><\/span><b>\u0110\u1ed9 PH c\u1ee7a \u0111\u1ea5t t\u01b0\u01a1ng \u1ee9ng v\u1edbi c\u00e1c lo\u1ea1i c\u00e2y tr\u1ed3ng n\u00e0o?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Sau \u0111\u00e2y l\u00e0 b\u1ea3ng \u0111\u1ed9 pH t\u01b0\u01a1ng \u1ee9ng cho t\u1eebng lo\u1ea1i c\u00e2y tr\u1ed3ng:\u00a0<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">C\u00e2y tr\u1ed3ng<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">pH th\u00edch h\u1ee3p\u00a0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">C\u00e2y tr\u1ed3ng\u00a0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">pH th\u00edch h\u1ee3p\u00a0<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">B\u1eafp (ng\u00f4)<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">5.7 &#8211; 7.5<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">Tr\u00e0\u00a0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">5.0 &#8211; 6.0<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">H\u1ecd b\u1ea7u b\u00ed<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">5.5 &#8211; 6.8<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">C\u00e2y ti\u00eau\u00a0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">5.5 &#8211; 7.0<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">B\u00f4ng c\u1ea3i xanh\u00a0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">6.0 &#8211; 6.5<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">Thu\u1ed1c l\u00e1\u00a0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">5.5 &#8211; 6.5<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">C\u00e0 chua<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">6.0 &#8211; 7.0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">Thanh long<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">4.0 &#8211; 6.0\u00a0<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">C\u00e0 ph\u00ea<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">6.0 &#8211; 6.5<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">S\u00fap l\u01a1<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">5.5 &#8211; 7.0<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">C\u00e0 r\u1ed1t\u00a0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">5.5 &#8211; 7.0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">\u1edat\u00a0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">6.0 -7.5<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">C\u00e0 t\u00edm\u00a0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">6.0 &#8211; 7.0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">Nho\u00a0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">6.0 &#8211; 7.5<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">C\u1ea3i b\u1eafp\u00a0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">6.5 &#8211; 7.0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">M\u00eda<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">5.0 &#8211; 8.0<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">C\u1ee7 c\u1ea3i\u00a0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">5.8 &#8211; 6.8<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">Mai v\u00e0ng<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">6.5 &#8211; 7.0<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">C\u1ea3i th\u1ea3o\u00a0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">6.5 &#8211; 7.0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">L\u00faa<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">5.5 &#8211; 6.5<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Cam qu\u00fdt\u00a0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">5.5 &#8211; 6.0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">Lily<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">6.0 &#8211; 8.0<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Cao su<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">5.0 &#8211; 6.8<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">Khoai t\u00e2y<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">5.0 &#8211; 6.0\u00a0<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">C\u00e1t T\u01b0\u1eddng<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">5.5 &#8211; 7.5\u00a0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">Khoai lang<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">5.5 &#8211; 6.8<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">C\u1ea9m ch\u01b0\u1edbng<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">6.0 &#8211; 6.8<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">Hoa lan\u00a0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">6.5 &#8211; 7.0<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">C\u1ea9m t\u00fa c\u1ea7u\u00a0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">4.5 &#8211; 8.0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">Hoa h\u1ed3ng<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">5.9 &#8211; 7.0<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">\u0110\u1eadu \u0111\u1ed7<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">6.0 &#8211; 7.0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">C\u00fac Nh\u1eadt<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">6.0 &#8211; 8.0<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">\u0110\u1eadu ph\u1ed9ng\u00a0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">5.3 &#8211; 6.6<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">H\u00e0nh t\u1ecfi<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">6.0 &#8211; 7.0<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">D\u00e2u t\u00e2y\u00a0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">5.5 &#8211; 6.8<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">G\u1eebng<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">6.0 &#8211; 6.5<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">\u0110\u1eadu t\u01b0\u01a1ng\u00a0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">5.5 &#8211; 7.0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">D\u01b0a leo\u00a0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">6.0 &#8211; 7.0<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">\u0110\u1ed3ng ti\u1ec1n\u00a0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">6.5 &#8211; 7.0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">Rau gia v\u1ecb<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">5.5 &#8211; 7.0<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">D\u01b0a h\u1ea5u\u00a0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">5.5 &#8211; 6.5<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">Khoai m\u00ec<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">6.0 &#8211; 7.0<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">X\u00e0 l\u00e1ch\u00a0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">6.0 &#8211; 7.0\u00a0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">C\u00e2y b\u01a1<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">5.0 &#8211; 6.0<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">B\u00f4ng<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">5.0 &#8211; 7.0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">D\u01b0a chu\u1ed9t\u00a0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">6.5 &#8211; 7.0<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">C\u00e2y ch\u00e8<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\"> 4.5 &#8211; 5.5<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">Chu\u1ed1i\u00a0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">6.0 &#8211; 6.5<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">H\u00e0nh t\u00e2y\u00a0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">6.4 &#8211; 7.9<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">C\u00e0 chua\u00a0<\/span><\/p>\n<\/td>\n<td>\n<p><span style=\"font-weight: 400;\">6.3 &#8211; 6.7<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Mot_so_phuong_phap_dieu_chinh_do_PH_cua_dat\"><\/span><b> M\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 PH c\u1ee7a \u0111\u1ea5t<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure id=\"attachment_168810\" aria-describedby=\"caption-attachment-168810\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-168810\" src=\"https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21095850\/do-ph-cua-dat-15.jpg\" alt=\"M\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 PH c\u1ee7a \u0111\u1ea5t\n\" width=\"800\" height=\"565\" title=\"\" srcset=\"https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21095850\/do-ph-cua-dat-15.jpg 800w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21095850\/do-ph-cua-dat-15-300x212.jpg 300w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21095850\/do-ph-cua-dat-15-768x542.jpg 768w, https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/21095850\/do-ph-cua-dat-15-696x492.jpg 696w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-168810\" class=\"wp-caption-text\">M\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 PH c\u1ee7a \u0111\u1ea5t<\/figcaption><\/figure>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">T\u0103ng \u0111\u1ed9 pH cho \u0111\u1ea5t: N\u1ebfu b\u1ea1n mu\u1ed1n t\u0103ng \u0111\u1ed9 pH cho \u0111\u1ea5t th\u00ec c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p r\u1ea3i \u0111\u1ec1u b\u1ed9t \u0111\u00e1 v\u00f4i l\u00ean m\u1eb7t \u0111\u1ea5t. Ti\u1ebfp theo, ti\u1ebfn h\u00e0nh x\u1edbi \u0111\u1ec3 tr\u1ed9n b\u1ed9t \u0111\u00e1 v\u00f4i v\u00e0o l\u1edbp \u0111\u1ea5t canh t\u00e1c (\u0111\u1ed9 sau kho\u1ea3ng 10cm). B\u1ed9t <a href=\"https:\/\/vi.wikipedia.org\/wiki\/%C4%90%C3%A1_v%C3%B4i\" target=\"_blank\" rel=\"nofollow noopener\">\u0111\u00e1 v\u00f4i<\/a> n\u00ean \u0111\u01b0\u1ee3c b\u00f3n t\u1ed1t nh\u1ea5t \u1edf th\u1eddi \u0111i\u1ec3m tr\u01b0\u1edbc khi tr\u1ed3ng kho\u1ea3ng 1 th\u00e1ng, kh\u00f4ng n\u00ean b\u00f3n chung v\u1edbi ph\u00e2n chu\u1ed3ng, ure, ho\u1eb7c s\u1ea3n ph\u1ea9m c\u00f3 ch\u1ee9a \u0111\u1ea1m.\u00a0<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><b><i>L\u01b0u \u00fd: <\/i><\/b><span style=\"font-weight: 400;\">B\u1ed9t v\u00f4i x\u00e1m ch\u1ee9a c\u1ea3 Ca v\u00e0 Mg n\u00ean s\u1ebd hi\u1ec7u qu\u1ea3 h\u01a1n v\u00f4i tr\u1eafng.\u00a0<\/span><\/li>\n<\/ul>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Ket_luan\"><\/span><b>K\u1ebft lu\u1eadn<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Nh\u1eefng th\u00f4ng tin tr\u00ean cung c\u1ea5p cho b\u1ea1n m\u1ed9t c\u00e1i nh\u00ecn t\u1ed5ng qu\u00e1t v\u1ec1 <\/span><b>\u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t<\/b><span style=\"font-weight: 400;\">? c\u00e1c y\u1ebfu t\u1ed1 l\u00e0m thay \u0111\u1ed5i \u0111\u1ed9 pH? C\u00e1ch ki\u1ec3m tra v\u00e0 \u00fd ngh\u0129a c\u1ee7a t\u1eebng m\u1ee9c \u0111\u1ed9 pH kh\u00e1c nhau. Ngo\u00e0i ra, b\u1ea1n c\u00f3 th\u1ec3 v\u00e0o <\/span><a href=\"https:\/\/mtbtr.com\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Mogi<\/span><\/a><span style=\"font-weight: 400;\"> \u0111\u1ec3 tham kh\u1ea3o th\u00eam m\u1ed9t s\u1ed1 b\u00e0i vi\u1ebft li\u00ean quan \u0111\u1ec3 nghi\u00ean c\u1ee9u k\u1ef9 tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh chuy\u1ec3n \u0111\u1ed5i m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng \u0111\u1ea5t.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><b>Xem th\u00eam:\u00a0<\/b><strong>\u0110\u1ea5t ONT l\u00e0 g\u00ec? \u0110\u1ea5t ONT c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m g\u00ec? Nh\u1eefng \u0111i\u1ec1u c\u1ea7n bi\u1ebft v\u1ec1 \u0111\u1ea5t ONT<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0110\u1ed9 pH c\u1ee7a \u0111\u1ea5t l\u00e0 g\u00ec? \u0110\u1ea5t c\u00f3 \u0111\u1ed9 ph = 5 l\u00e0 lo\u1ea1i \u0111\u1ea5t g\u00ec? \u0110\u1ea5t c\u00f3 \u0111\u1ed9 ph = 6 l\u00e0 lo\u1ea1i \u0111\u1ea5t g\u00ec? \u0110\u1ea5t ph\u00e8n c\u00f3 \u0111\u1ed9 pH l\u00e0 bao nhi\u00eau? \u00dd ngh\u0129a ch\u1ec9 s\u1ed1 v\u00e0 t\u1ea7m quan tr\u1ecdng c\u1ee7a \u0111\u1ed9 pH? C\u00f9ng Mogi t\u00ecm hi\u1ec3u qua b\u00e0i vi\u1ebft sau \u0111\u00e2y. \u0110\u1ed9 [&hellip;]<\/p>\n","protected":false},"author":109,"featured_media":167370,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"ub_ctt_via":"","_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[16],"tags":[],"acf":[],"featured_image_src":"https:\/\/mtbtr.com\/news\/wp-content\/uploads\/2023\/03\/14094651\/do-ph-cua-dat.jpg","author_info":{"display_name":"T\u00fa \u0110inh","author_link":"https:\/\/mtbtr.com\/news\/author\/tu-dinh\/"},"modified_by":"H\u1ea1nh H\u00e0","_links":{"self":[{"href":"https:\/\/mtbtr.com\/news\/wp-json\/wp\/v2\/posts\/167358"}],"collection":[{"href":"https:\/\/mtbtr.com\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mtbtr.com\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mtbtr.com\/news\/wp-json\/wp\/v2\/users\/109"}],"replies":[{"embeddable":true,"href":"https:\/\/mtbtr.com\/news\/wp-json\/wp\/v2\/comments?post=167358"}],"version-history":[{"count":1,"href":"https:\/\/mtbtr.com\/news\/wp-json\/wp\/v2\/posts\/167358\/revisions"}],"predecessor-version":[{"id":294933,"href":"https:\/\/mtbtr.com\/news\/wp-json\/wp\/v2\/posts\/167358\/revisions\/294933"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mtbtr.com\/news\/wp-json\/wp\/v2\/media\/167370"}],"wp:attachment":[{"href":"https:\/\/mtbtr.com\/news\/wp-json\/wp\/v2\/media?parent=167358"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mtbtr.com\/news\/wp-json\/wp\/v2\/categories?post=167358"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mtbtr.com\/news\/wp-json\/wp\/v2\/tags?post=167358"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}