{"id":2168,"date":"2025-09-21T16:53:53","date_gmt":"2025-09-21T09:53:53","guid":{"rendered":"https:\/\/demo9.thuythu.vn\/sinhthaimoi\/?p=2168"},"modified":"2025-09-23T05:07:38","modified_gmt":"2025-09-22T22:07:38","slug":"anh-huong-cua-ph-dat-den-cay-trong-va-giai-phap-cai-thien-hieu-qua","status":"publish","type":"post","link":"https:\/\/demo9.thuythu.vn\/sinhthaimoi\/anh-huong-cua-ph-dat-den-cay-trong-va-giai-phap-cai-thien-hieu-qua\/","title":{"rendered":"\u1ea2nh h\u01b0\u1edfng c\u1ee7a pH \u0111\u1ea5t \u0111\u1ebfn c\u00e2y tr\u1ed3ng v\u00e0 gi\u1ea3i ph\u00e1p c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3"},"content":{"rendered":"\n<p>Trong s\u1ea3n xu\u1ea5t n\u00f4ng nghi\u1ec7p, \u0111\u1ea5t \u0111\u01b0\u1ee3c v\u00ed nh\u01b0 \u201cng\u00f4i nh\u00e0\u201d c\u1ee7a c\u00e2y tr\u1ed3ng. M\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e2y l\u00e0 <strong>pH \u0111\u1ea5t<\/strong>. Tuy nhi\u00ean, nhi\u1ec1u nh\u00e0 v\u01b0\u1eddn v\u1eabn ch\u01b0a hi\u1ec3u r\u00f5 pH \u0111\u1ea5t l\u00e0 g\u00ec, t\u1ea1i sao n\u00f3 quan tr\u1ecdng v\u00e0 c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh th\u1ebf n\u00e0o \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi t\u1eebng lo\u1ea1i c\u00e2y. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u00fap b\u00e0 con n\u1eafm v\u1eefng ki\u1ebfn th\u1ee9c khoa h\u1ecdc v\u1ec1 pH \u0111\u1ea5t, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e2y tr\u1ed3ng v\u00e0 gi\u1ea3i ph\u00e1p c\u1ea3i thi\u1ec7n b\u1ec1n v\u1eefng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1. pH \u0111\u1ea5t l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p>pH \u0111\u1ea5t l\u00e0 n\u1ed3ng \u0111\u1ed9 t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a H+ v\u00e0 OH- trong dung d\u1ecbch, hay m\u1ee9c \u0111\u1ed9 chua hay ki\u1ec1m c\u1ee7a dung d\u1ecbch \u0111\u1ea5t. pH \u0111\u01b0\u1ee3c di\u1ec5n t\u1ea3 b\u1eb1ng Logarith \u00e2m c\u1ee7a h\u1ecdat \u0111\u1ed9 ion H+ Trong \u0111\u1ea5t, do n\u1ed3ng \u0111\u1ed9 c\u00e1c ion th\u01b0\u1eddng r\u1ea5t th\u1ea5p n\u00ean h\u1ecdat \u0111\u1ed9 ion t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi n\u1ed3ng \u0111\u1ed9 ion.  Hi\u1ec3u \u0111\u01a1n gi\u1ea3n, pH \u0111\u1ea5t l\u00e0 ch\u1ec9 s\u1ed1 \u0111o m\u1ee9c \u0111\u1ed9 <strong>axit (chua)<\/strong> hay <strong>ki\u1ec1m (baz\u01a1)<\/strong> c\u1ee7a \u0111\u1ea5t, \u0111\u01b0\u1ee3c t\u00ednh theo thang \u0111o t\u1eeb 0 \u0111\u1ebfn 14:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>pH &lt; 7: \u0111\u1ea5t chua.<\/li>\n\n\n\n<li>pH = 7: \u0111\u1ea5t trung t\u00ednh.<\/li>\n\n\n\n<li>pH > 7: \u0111\u1ea5t ki\u1ec1m.<\/li>\n<\/ul>\n\n\n\n<p>\u0110\u1ed9 pH \u0111\u1ea5t \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn s\u1ef1 h\u00f2a tan v\u00e0 kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng. M\u1ed7i lo\u1ea1i c\u00e2y tr\u1ed3ng s\u1ebd ph\u00e1t tri\u1ec3n t\u1ed1t nh\u1ea5t trong m\u1ed9t kho\u1ea3ng pH nh\u1ea5t \u0111\u1ecbnh. Th\u00f4ng th\u01b0\u1eddng, \u0111a s\u1ed1 c\u00e2y tr\u1ed3ng th\u00edch h\u1ee3p v\u1edbi pH t\u1eeb 5,5 \u2013 6.5.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2. Vai tr\u00f2 c\u1ee7a pH \u0111\u1ea5t trong n\u00f4ng nghi\u1ec7p<\/h2>\n\n\n\n<p><em>pH \u0111\u1ea5t<\/em> c\u00f3 t\u1ea7m quan tr\u1ecdng trong \u0111\u1ea5t n\u00f4ng nghi\u1ec7p, quy\u1ebft \u0111\u1ecbnh \u0111\u1ed9 m\u00e0u m\u1ee1 c\u1ee7a \u0111\u1ea5t v\u00ec n\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn nhi\u1ec1u y\u1ebfu t\u1ed1:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2.1 Kh\u1ea3 n\u0103ng h\u1ea5p thu dinh d\u01b0\u1ee1ng<\/h3>\n\n\n\n<p>Khi pH \u0111\u1ea5t qu\u00e1 th\u1ea5p (chua) ho\u1eb7c qu\u00e1 cao (ki\u1ec1m), c\u00e1c nguy\u00ean t\u1ed1 dinh d\u01b0\u1ee1ng thi\u1ebft y\u1ebfu nh\u01b0 N, P, K, Ca, Mg, S b\u1ecb bi\u1ebfn \u0111\u1ed5i, kh\u00f3 h\u1ea5p th\u1ee5 ho\u1eb7c m\u1ea5t c\u00e2n b\u1eb1ng.<\/p>\n\n\n\n<p>C\u00e1c nguy\u00ean t\u1ed1 dinh d\u01b0\u1ee1ng \u0111a l\u01b0\u1ee3ng, trung l\u01b0\u1ee3ng th\u01b0\u1eddng k\u00e9m h\u1eefu d\u1ee5ng khi pH \u0111\u1ea5t gi\u1ea3m. Kh\u1ea3 n\u0103ng h\u1eefu d\u1ee5ng c\u1ee7a N, P, K, Ca, Mg, S gi\u1ea3m khi pH &lt;6, Mo c\u0169ng k\u00e9m h\u1eefu d\u1ee5ng khi pH th\u1ea5p. Ng\u01b0\u1ee3c l\u1ea1i P v\u00e0 B k\u00e9m h\u1eefu d\u1ee5ng khi pH> 7. C\u00e1c nguy\u00ean t\u1ed1 vi l\u01b0\u1ee3ng th\u01b0\u1eddng t\u0103ng kh\u1ea3 n\u0103ng h\u1eefu d\u1ee5ng trong \u0111i\u1ec1u ki\u1ec7n chua nh\u01b0 Fe, Mn, Zn, Cu.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/demo9.thuythu.vn\/sinhthaimoi\/wp-content\/uploads\/2025\/09\/anh-huong-cua-pH-den-kha-nang-hoa-tan-1024x576.jpg\" alt=\"Thang \u0111o pH \u0111\u1ea5t\" class=\"wp-image-2170\" srcset=\"https:\/\/demo9.thuythu.vn\/sinhthaimoi\/wp-content\/uploads\/2025\/09\/anh-huong-cua-pH-den-kha-nang-hoa-tan-1024x576.jpg 1024w, https:\/\/demo9.thuythu.vn\/sinhthaimoi\/wp-content\/uploads\/2025\/09\/anh-huong-cua-pH-den-kha-nang-hoa-tan-300x169.jpg 300w, https:\/\/demo9.thuythu.vn\/sinhthaimoi\/wp-content\/uploads\/2025\/09\/anh-huong-cua-pH-den-kha-nang-hoa-tan-768x432.jpg 768w, https:\/\/demo9.thuythu.vn\/sinhthaimoi\/wp-content\/uploads\/2025\/09\/anh-huong-cua-pH-den-kha-nang-hoa-tan-1320x742.jpg 1320w, https:\/\/demo9.thuythu.vn\/sinhthaimoi\/wp-content\/uploads\/2025\/09\/anh-huong-cua-pH-den-kha-nang-hoa-tan-600x337.jpg 600w, https:\/\/demo9.thuythu.vn\/sinhthaimoi\/wp-content\/uploads\/2025\/09\/anh-huong-cua-pH-den-kha-nang-hoa-tan.jpg 1366w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">\u1ea2nh h\u01b0\u1edfng c\u1ee7a pH \u0111\u1ea5t \u0111\u1ebfn kh\u1ea3 n\u0103ng h\u00f2a tan c\u00e1c ch\u1ea5t kho\u00e1ng<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">2.2 \u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn h\u1ec7 vi sinh v\u1eadt \u0111\u1ea5t<\/h3>\n\n\n\n<p>S\u1ef1 sinh tr\u01b0\u1edfng c\u1ee7a nhi\u1ec1u l\u1ecdai vi khu\u1ea9n v\u00e0 x\u1ea1 khu\u1ea9n b\u1ecb \u1ee9c ch\u1ebf khi pH &lt; 6, n\u1ea5m sinh tr\u01b0\u1edfng t\u1ed1t tr\u00ean kh\u1ecfang pH r\u1ea5t r\u1ed9ng. V\u00ec v\u1eady n\u1ea5m l\u00e0 l\u1ecdai chi\u1ebfm \u01b0u th\u1ebf trong \u0111i\u1ec1u ki\u1ec7n \u0111\u1ea5t chua. \u00cdt c\u00f3 s\u1ef1 c\u1ea1nh tranh gi\u1eefa vi khu\u1ea9n v\u00e0 x\u1ea1 khu\u1ea9n. Giun \u0111\u1ea5t h\u1ecdat \u0111\u1ed9ng t\u1ed1t khi pH >6.5. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2.3 \u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn c\u1ea5u tr\u00fac \u0111\u1ea5t<\/h3>\n\n\n\n<p>Nnitrate h\u00f3a b\u1ecb ki\u1ec1m h\u00e3m nghi\u00eam tr\u1ecdng khi pH &lt;5.5, nitrate h\u00f3a l\u00e0 ti\u1ebfn tr\u00ecnh bi\u1ebfn \u0111\u1ed5i NH4+ th\u00e0nh NO3- . C\u1ed1 \u0111\u1ecbnh N sinh h\u1ecdc b\u1ecb h\u1ea1n ch\u1ebf khi pH &lt;6. S\u1ef1 ph\u00e2n gi\u1ea3i c\u00e1c d\u01b0 th\u1eeba th\u1ef1c v\u1eadt v\u00e0 ch\u1ea5t h\u1eefu c\u01a1 c\u00f3 th\u1ec3 b\u1ecb ch\u1eadm trong \u0111i\u1ec1u ki\u1ec7n \u0111\u1ea5t chua (pH &lt;5.5).<\/p>\n\n\n\n<p>\u0110\u1ea5t c\u00f3 pH ph\u00f9 h\u1ee3p th\u01b0\u1eddng c\u00f3 c\u1ea5u tr\u00fac \u1ed5n \u0111\u1ecbnh, gi\u00e0u m\u00f9n, d\u1ec5 canh t\u00e1c. Ng\u01b0\u1ee3c l\u1ea1i, \u0111\u1ea5t chua ho\u1eb7c ki\u1ec1m qu\u00e1 m\u1ee9c s\u1ebd d\u1ec5 b\u1ecb chai c\u1ee9ng, kh\u00f3 gi\u1eef \u1ea9m, r\u1ec5 c\u00e2y k\u00e9m ph\u00e1t tri\u1ec3n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3. \u1ea2nh h\u01b0\u1edfng c\u1ee7a pH \u0111\u1ea5t \u0111\u1ebfn c\u00e2y tr\u1ed3ng<\/h2>\n\n\n\n<p>Tri\u1ec7u ch\u1ee9ng thi\u1ebfu dinh d\u01b0\u1ee1ng vi l\u01b0\u1ee3ng c\u00f3 th\u1ec3 x\u1ea3y ra khi pH cao (pH >7), v\u00ed d\u1ee5, l\u00e1 b\u1ea1c do thi\u1ebfu Fe, c\u00e2y tr\u1ed3ng c\u0169ng c\u00f3 th\u1ec3 b\u1ecb ng\u1ed9 \u0111\u1ed9c c\u0169ng c\u00f3 th\u1ec3 x\u1ea3y ra khi pH th\u1ea5p (pH &lt;5.5), do kh\u1ea3 n\u0103ng h\u00f2a tan c\u00e1c nguy\u00ean t\u1ed1 vi l\u01b0\u1ee3ng cao, nh\u01b0 ng\u1ed9 \u0111\u1ed9c do Mn.<\/p>\n\n\n\n<p>Th\u01b0\u1eddng kh\u00f4ng c\u00f3 1 gi\u00e1 tr\u1ecb pH t\u1ed1i h\u1ea3o cho t\u1ea5t c\u1ea3 c\u00e1c l\u1ecdai c\u00e2y tr\u1ed3ng, t\u1ea5t c\u1ea3 c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng. Trong kh\u1ecfang pH m\u00e0 kh\u1ea3 n\u0103ng h\u1eefu d\u1ee5ng c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng l\u00e0 t\u1ed1t nh\u1ea5t \u0111\u01b0\u1ee3c xem l\u00e0 kh\u1ecfang pH t\u1ed1i h\u1ea3o. Do P l\u00e0 nguy\u00ean t\u1ed1 dinh d\u01b0\u1ee1ng c\u00f3 kh\u1ea3 n\u0103ng h\u1eefu d\u1ee5ng gi\u1ea3m khi pH qua th\u1ea5p ho\u1eb7c qu\u00e1 cao n\u00ean th\u01b0\u1eddng ch\u1ecdn kh\u1ecfang pH m\u00e0 kh\u1ea3 n\u0103ng h\u1eefu d\u1ee5ng c\u1ee7a P l\u00e0 t\u1ed1t nh\u1ea5t, pH 5.5 hay 6 &#8211; 7.<\/p>\n\n\n\n<p> Kho\u1ea3ng pH t\u1ed1i h\u1ea3o ph\u1ee5 thu\u1ed9c v\u00e0 l\u1ecdai c\u00e2y tr\u1ed3ng, h\u1ec7 th\u1ed1ng lu\u00e2n canh, v\u00e0 c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u00e1c, v\u00ed d\u1ee5 c\u00e2y h\u1ecd \u0111\u1eadu, pH trung t\u00ednh (7), khoai t\u00e2y tr\u1ed3ng tr\u00ean \u0111\u1ea5t c\u00f3 pH&lt; 5.3 h\u1ea1n ch\u1ebf b\u1ec7nh gh\u1ebb tr\u00ean c\u1ee7, c\u1ea3i b\u00f4ng v\u00e0 c\u00e1c c\u00e2y h\u1ecd th\u1eadp t\u1ef1 kh\u00e1c tr\u1ed3ng tr\u00ean \u0111\u1ea5t c\u00f3 pH >7 h\u1ea1n ch\u1ebf n\u1ea3y m\u1ea7m c\u1ee7a c\u00e1c b\u00e0o t\u1eed n\u1ea5m.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4. Gi\u1ea3i ph\u00e1p c\u1ea3i thi\u1ec7n pH \u0111\u1ea5t<\/h2>\n\n\n\n<p>\u0110\u1ec3 \u0111i\u1ec1u ch\u1ec9nh pH \u0111\u1ea5t ph\u00f9 h\u1ee3p v\u1edbi t\u1eebng lo\u1ea1i c\u00e2y tr\u1ed3ng, b\u00e0 con c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng m\u1ed9t s\u1ed1 gi\u1ea3i ph\u00e1p sau:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>4.1. C\u1ea3i thi\u1ec7n \u0111\u1ea5t chua<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>B\u00f3n v\u00f4i n\u00f4ng nghi\u1ec7p (CaCO\u2083, Dolomite): Trung h\u00f2a \u0111\u1ed9 chua, b\u1ed5 sung Canxi v\u00e0 Magie.<\/li>\n\n\n\n<li>B\u1ed5 sung ph\u00e2n h\u1eefu c\u01a1 hoai m\u1ee5c: T\u0103ng h\u00e0m l\u01b0\u1ee3ng m\u00f9n, c\u1ea3i thi\u1ec7n c\u1ea5u tr\u00fac \u0111\u1ea5t.<\/li>\n\n\n\n<li>Lu\u00e2n canh h\u1ee3p l\u00fd: Tr\u1ed3ng c\u00e2y h\u1ecd \u0111\u1eadu \u0111\u1ec3 c\u1ed1 \u0111\u1ecbnh \u0111\u1ea1m, c\u1ea3i t\u1ea1o \u0111\u1ea5t.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"940\" height=\"788\" src=\"https:\/\/demo9.thuythu.vn\/sinhthaimoi\/wp-content\/uploads\/2025\/06\/Green-soil-1.png\" alt=\"B\u1ed9 s\u1ea3n ph\u1ea9m ECO MENTOS 61\" class=\"wp-image-1862\" srcset=\"https:\/\/demo9.thuythu.vn\/sinhthaimoi\/wp-content\/uploads\/2025\/06\/Green-soil-1.png 940w, https:\/\/demo9.thuythu.vn\/sinhthaimoi\/wp-content\/uploads\/2025\/06\/Green-soil-1-300x251.png 300w, https:\/\/demo9.thuythu.vn\/sinhthaimoi\/wp-content\/uploads\/2025\/06\/Green-soil-1-768x644.png 768w, https:\/\/demo9.thuythu.vn\/sinhthaimoi\/wp-content\/uploads\/2025\/06\/Green-soil-1-600x503.png 600w\" sizes=\"auto, (max-width: 940px) 100vw, 940px\" \/><figcaption class=\"wp-element-caption\"><a href=\"https:\/\/demo9.thuythu.vn\/sinhthaimoi\/danh-muc-san-pham\/phan-bon-huu-co\/\" title=\"\">Ph\u00e2n b\u00f3n h\u1eefu c\u01a1 NEW ECO<\/a><\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>4.2. C\u1ea3i thi\u1ec7n \u0111\u1ea5t ki\u1ec1m<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>B\u00f3n th\u1ea1ch cao (CaSO\u2084): Gi\u00fap r\u1eeda tr\u00f4i natri trong \u0111\u1ea5t m\u1eb7n ki\u1ec1m.<\/li>\n\n\n\n<li>T\u0103ng c\u01b0\u1eddng ph\u00e2n h\u1eefu c\u01a1, ph\u00e2n xanh: Gi\u00fap h\u1ea1 pH t\u1eeb t\u1eeb, c\u1ea3i thi\u1ec7n \u0111\u1ed9 ph\u00ec.<\/li>\n\n\n\n<li>T\u01b0\u1edbi r\u1eeda b\u1eb1ng n\u01b0\u1edbc ng\u1ecdt (\u0111\u1ed1i v\u1edbi v\u00f9ng nhi\u1ec5m m\u1eb7n, ki\u1ec1m).<\/li>\n<\/ul>\n\n\n\n<p>Xem th\u00eam: <a href=\"https:\/\/demo9.thuythu.vn\/sinhthaimoi\/chat-huu-co-trong-dat-vai-tro-va-giai-phap-cai-thien\/\" title=\"\">Ch\u1ea5t h\u1eefu c\u01a1 trong \u0111\u1ea5t: vai tr\u00f2 v\u00e0 gi\u1ea3i ph\u00e1p c\u1ea3i thi\u1ec7n<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4.3. Qu\u1ea3n l\u00fd \u0111\u1ea5t trung t\u00ednh<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Duy tr\u00ec b\u00f3n ph\u00e2n h\u1eefu c\u01a1 v\u00e0 che ph\u1ee7 \u0111\u1ea5t \u0111\u1ec3 b\u1ea3o v\u1ec7 h\u1ec7 vi sinh. <\/li>\n\n\n\n<li>Gi\u1eef c\u00e2n b\u1eb1ng dinh d\u01b0\u1ee1ng b\u1eb1ng c\u00e1ch b\u00f3n ph\u00e2n h\u1ee3p l\u00fd.<\/li>\n\n\n\n<li>H\u1ea1n ch\u1ebf l\u1ea1m d\u1ee5ng ph\u00e2n h\u00f3a h\u1ecdc g\u00e2y chua \u0111\u1ea5t.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">5. C\u00e1ch ki\u1ec3m tra v\u00e0 theo d\u00f5i pH \u0111\u1ea5t<\/h2>\n\n\n\n<p>\u0110\u1ec3 qu\u1ea3n l\u00fd pH \u0111\u1ea5t hi\u1ec7u qu\u1ea3, b\u00e0 con n\u00ean th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>D\u00f9ng m\u00e1y \u0111o pH c\u1ea7m tay: Nhanh, ti\u1ec7n l\u1ee3i, d\u1ec5 s\u1eed d\u1ee5ng.<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng dung d\u1ecbch ki\u1ec3m tra pH (pH test kit).<\/li>\n\n\n\n<li>G\u1eedi m\u1eabu \u0111\u1ea5t \u0111\u1ebfn ph\u00f2ng th\u00ed nghi\u1ec7m: Cho k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c, \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 dinh d\u01b0\u1ee1ng v\u00e0 pH.<\/li>\n<\/ul>\n\n\n\n<p>Theo d\u00f5i \u0111\u1ecbnh k\u1ef3 1 \u2013 2 l\u1ea7n\/n\u0103m s\u1ebd gi\u00fap n\u00f4ng d\u00e2n \u0111i\u1ec1u ch\u1ec9nh k\u1ecbp th\u1eddi, tr\u00e1nh \u0111\u1ea5t b\u1ecb tho\u00e1i h\u00f3a.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/demo9.thuythu.vn\/sinhthaimoi\/wp-content\/uploads\/2025\/09\/kiem-tra-pH-dat-1024x576.jpg\" alt=\"C\u00e1ch ki\u1ec3m tra pH \u0111\u1ea5t\" class=\"wp-image-2171\" srcset=\"https:\/\/demo9.thuythu.vn\/sinhthaimoi\/wp-content\/uploads\/2025\/09\/kiem-tra-pH-dat-1024x576.jpg 1024w, https:\/\/demo9.thuythu.vn\/sinhthaimoi\/wp-content\/uploads\/2025\/09\/kiem-tra-pH-dat-300x169.jpg 300w, https:\/\/demo9.thuythu.vn\/sinhthaimoi\/wp-content\/uploads\/2025\/09\/kiem-tra-pH-dat-768x432.jpg 768w, https:\/\/demo9.thuythu.vn\/sinhthaimoi\/wp-content\/uploads\/2025\/09\/kiem-tra-pH-dat-1320x742.jpg 1320w, https:\/\/demo9.thuythu.vn\/sinhthaimoi\/wp-content\/uploads\/2025\/09\/kiem-tra-pH-dat-600x337.jpg 600w, https:\/\/demo9.thuythu.vn\/sinhthaimoi\/wp-content\/uploads\/2025\/09\/kiem-tra-pH-dat.jpg 1366w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Ki\u1ec3m tra pH \u0111\u1ea5t \u0111\u1ecbnh k\u1ef3<\/figcaption><\/figure>\n\n\n\n<p><em>T\u00e0i li\u1ec7u tham kh\u1ea3o: Gi\u00e1o tr\u00ecnh \u0111\u1ed9 ph\u00ec v\u00e0 ph\u00e2n b\u00f3n (L\u00ea V\u0103n D\u0169, 2009)<\/em><\/p>\n\n\n\n<p>pH \u0111\u1ea5t l\u00e0 y\u1ebfu t\u1ed1 n\u1ec1n t\u1ea3ng quy\u1ebft \u0111\u1ecbnh s\u1ef1 th\u00e0nh c\u00f4ng trong s\u1ea3n xu\u1ea5t n\u00f4ng nghi\u1ec7p. Qu\u1ea3n l\u00fd pH \u0111\u1ea5t h\u1ee3p l\u00fd kh\u00f4ng ch\u1ec9 gi\u00fap c\u00e2y tr\u1ed3ng ph\u00e1t tri\u1ec3n kh\u1ecfe m\u1ea1nh, t\u0103ng n\u0103ng su\u1ea5t, m\u00e0 c\u00f2n b\u1ea3o v\u1ec7 \u0111\u1ed9 ph\u00ec nhi\u00eau c\u1ee7a \u0111\u1ea5t v\u1ec1 l\u00e2u d\u00e0i. B\u00e0 con n\u00ean th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra v\u00e0 \u00e1p d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p c\u1ea3i t\u1ea1o \u0111\u1ea5t ph\u00f9 h\u1ee3p \u0111\u1ec3 canh t\u00e1c b\u1ec1n v\u1eefng.<\/p>\n\n\n\n<p class=\"has-text-align-center\">C\u00d4NG TY CP PH\u00c1T TRI\u1ec2N SINH TH\u00c1I M\u1edaI<\/p>\n\n\n\n<p class=\"has-text-align-center\">Website:&nbsp;<a href=\"https:\/\/demo9.thuythu.vn\/sinhthaimoi\/gioi-thieu\/\">sinhthaimoi.com<\/a>&nbsp;| Email: saleneweco@gmail.com<\/p>\n\n\n\n<p class=\"has-text-align-center\">Fanpage:&nbsp;<a href=\"https:\/\/www.facebook.com\/Sinhthaimoi\">https:\/\/www.facebook.com\/Sinhthaimoi<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trong s\u1ea3n xu\u1ea5t n\u00f4ng nghi\u1ec7p, \u0111\u1ea5t \u0111\u01b0\u1ee3c v\u00ed nh\u01b0 \u201cng\u00f4i nh\u00e0\u201d c\u1ee7a c\u00e2y tr\u1ed3ng. M\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e2y l\u00e0 pH \u0111\u1ea5t. Tuy nhi\u00ean, nhi\u1ec1u nh\u00e0 v\u01b0\u1eddn v\u1eabn ch\u01b0a hi\u1ec3u r\u00f5 pH \u0111\u1ea5t l\u00e0 g\u00ec, t\u1ea1i sao n\u00f3 quan tr\u1ecdng v\u00e0 c\u1ea7n [&#8230;]\n","protected":false},"author":2,"featured_media":2169,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,63,18,61,65],"tags":[186,188,185,187],"class_list":["post-2168","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cay-an-qua","category-cay-cong-nghiep","category-cay-luong-thuc","category-cay-rau-mau","category-khac","tag-anh-huong-ph-dat-den-cay-trong","tag-cai-thien-ph-dat","tag-ph-dat","tag-vai-tro-ph-dat"],"_links":{"self":[{"href":"https:\/\/demo9.thuythu.vn\/sinhthaimoi\/wp-json\/wp\/v2\/posts\/2168","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/demo9.thuythu.vn\/sinhthaimoi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/demo9.thuythu.vn\/sinhthaimoi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/demo9.thuythu.vn\/sinhthaimoi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/demo9.thuythu.vn\/sinhthaimoi\/wp-json\/wp\/v2\/comments?post=2168"}],"version-history":[{"count":1,"href":"https:\/\/demo9.thuythu.vn\/sinhthaimoi\/wp-json\/wp\/v2\/posts\/2168\/revisions"}],"predecessor-version":[{"id":2172,"href":"https:\/\/demo9.thuythu.vn\/sinhthaimoi\/wp-json\/wp\/v2\/posts\/2168\/revisions\/2172"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/demo9.thuythu.vn\/sinhthaimoi\/wp-json\/wp\/v2\/media\/2169"}],"wp:attachment":[{"href":"https:\/\/demo9.thuythu.vn\/sinhthaimoi\/wp-json\/wp\/v2\/media?parent=2168"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/demo9.thuythu.vn\/sinhthaimoi\/wp-json\/wp\/v2\/categories?post=2168"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/demo9.thuythu.vn\/sinhthaimoi\/wp-json\/wp\/v2\/tags?post=2168"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}