{"id":3766,"date":"2025-10-09T02:09:27","date_gmt":"2025-10-09T02:09:27","guid":{"rendered":"https:\/\/kientuong.htxnongnghiepxanh.org\/?p=3766"},"modified":"2025-10-09T02:09:27","modified_gmt":"2025-10-09T02:09:27","slug":"tim-hieu-chi-tiet-ve-dat-nong-nghiep","status":"publish","type":"post","link":"https:\/\/kientuong.htxnongnghiepxanh.org\/en\/tim-hieu-chi-tiet-ve-dat-nong-nghiep\/","title":{"rendered":"T\u00ecm Hi\u1ec3u Chi Ti\u1ebft V\u1ec1 \u0110\u1ea5t N\u00f4ng Nghi\u1ec7p"},"content":{"rendered":"

C\u00f3 l\u1ebd kh\u00f4ng n\u01a1i n\u00e0o tr\u00ean Tr\u00e1i \u0110\u1ea5t c\u00f3 gi\u00e1 tr\u1ecb tinh th\u1ea7n, v\u1eadt ch\u1ea5t, v\u00e0 \u0111\u1eddi s\u1ed1ng con ng\u01b0\u1eddi l\u1ea1i s\u00e2u s\u1eafc nh\u01b0 m\u1ea3nh \u0111\u1ea5t n\u00f4ng nghi\u1ec7p. \u0110\u1ea5t kh\u00f4ng ch\u1ec9 l\u00e0 m\u1eb7t ph\u1eb3ng \u0111\u1ec3 gieo tr\u1ed3ng, m\u00e0 l\u00e0 n\u01a1i h\u1ed9i t\u1ee5 c\u1ee7a th\u1eddi gian, c\u00f4ng s\u1ee9c, v\u00e0 tr\u00ed tu\u1ec7 c\u1ee7a ng\u01b0\u1eddi n\u00f4ng d\u00e2n. M\u1ed7i h\u1ea1t gi\u1ed1ng r\u01a1i xu\u1ed1ng \u0111\u1ea5t, m\u1ed7i gi\u1ecdt m\u1ed3 h\u00f4i r\u01a1i tr\u00ean m\u1eb7t ru\u1ed9ng \u0111\u1ec1u h\u00f2a quy\u1ec7n, t\u1ea1o n\u00ean s\u1ef1 s\u1ed1ng tr\u00f9 ph\u00fa, nu\u00f4i d\u01b0\u1ee1ng c\u01a1 th\u1ec3 v\u00e0 t\u00e2m h\u1ed3n con ng\u01b0\u1eddi. Nh\u01b0ng \u0111\u1ec3 hi\u1ec3u \u0111\u01b0\u1ee3c gi\u00e1 tr\u1ecb th\u1ef1c s\u1ef1 c\u1ee7a \u0111\u1ea5t n\u00f4ng nghi\u1ec7p, ch\u00fang ta c\u1ea7n \u0111i s\u00e2u v\u00e0o b\u1ea3n ch\u1ea5t, th\u00e0nh ph\u1ea7n, c\u00e1ch s\u1eed d\u1ee5ng v\u00e0 b\u1ea3o v\u1ec7 n\u00f3 \u2013 m\u1ed9t h\u00e0nh tr\u00ecnh v\u1eeba khoa h\u1ecdc, v\u1eeba gi\u00e0u c\u1ea3m x\u00fac.<\/p>\n

1. \u0110\u1ea5t n\u00f4ng nghi\u1ec7p l\u00e0 g\u00ec?<\/h2>\n

\u0110\u1ea5t n\u00f4ng nghi\u1ec7p l\u00e0 lo\u1ea1i \u0111\u1ea5t c\u00f3 kh\u1ea3 n\u0103ng nu\u00f4i d\u01b0\u1ee1ng c\u00e2y tr\u1ed3ng, cung c\u1ea5p d\u01b0\u1ee1ng ch\u1ea5t thi\u1ebft y\u1ebfu, gi\u1eef n\u01b0\u1edbc, th\u00f4ng kh\u00ed, v\u00e0 ch\u1ecbu \u0111\u01b0\u1ee3c t\u00e1c \u0111\u1ed9ng c\u1ee7a c\u00e1c ph\u01b0\u01a1ng ph\u00e1p canh t\u00e1c. N\u00f3i m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n, \u0111\u1ea5t n\u00f4ng nghi\u1ec7p l\u00e0 \u201cng\u00f4i nh\u00e0\u201d c\u1ee7a c\u00e2y tr\u1ed3ng, n\u01a1i m\u1ed7i c\u00e2y c\u1ea7n m\u1ed9t n\u1ec1n t\u1ea3ng v\u1eefng ch\u1eafc \u0111\u1ec3 sinh tr\u01b0\u1edfng.<\/p>\n

M\u1ed7i lo\u1ea1i \u0111\u1ea5t \u0111\u1ec1u c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m ri\u00eang: \u0111\u1ea5t c\u00e1t tho\u00e1ng, d\u1ec5 tho\u00e1t n\u01b0\u1edbc nh\u01b0ng kh\u00f3 gi\u1eef dinh d\u01b0\u1ee1ng; \u0111\u1ea5t s\u00e9t gi\u00e0u dinh d\u01b0\u1ee1ng nh\u01b0ng k\u00e9m th\u00f4ng tho\u00e1ng; \u0111\u1ea5t th\u1ecbt l\u00e0 s\u1ef1 h\u00f2a h\u1ee3p tuy\u1ec7t v\u1eddi gi\u1eefa hai lo\u1ea1i tr\u00ean. Hi\u1ec3u \u0111\u01b0\u1ee3c \u0111\u1ea5t l\u00e0 hi\u1ec3u \u0111\u01b0\u1ee3c c\u00e1ch c\u00e2y tr\u1ed3ng s\u1ebd ph\u00e1t tri\u1ec3n, v\u00e0 t\u1eeb \u0111\u00f3, t\u1ed1i \u01b0u h\u00f3a n\u0103ng su\u1ea5t m\u1ed9t c\u00e1ch t\u1ef1 nhi\u00ean, b\u1ec1n v\u1eefng.<\/p>\n

2. Th\u00e0nh ph\u1ea7n c\u1ee7a \u0111\u1ea5t n\u00f4ng nghi\u1ec7p<\/h2>\n

\u0110\u1ea5t n\u00f4ng nghi\u1ec7p l\u00e0 m\u1ed9t h\u1ec7 sinh th\u00e1i thu nh\u1ecf, bao g\u1ed3m b\u1ed1n th\u00e0nh ph\u1ea7n ch\u00ednh:<\/p>\n

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  1. \n

    Kho\u00e1ng ch\u1ea5t<\/strong>: Bao g\u1ed3m c\u00e1t, s\u00e9t, m\u00f9n \u2013 t\u1ea1o n\u00ean k\u1ebft c\u1ea5u v\u1eadt l\u00fd c\u1ee7a \u0111\u1ea5t. Kho\u00e1ng ch\u1ea5t quy\u1ebft \u0111\u1ecbnh kh\u1ea3 n\u0103ng gi\u1eef n\u01b0\u1edbc, tho\u00e1t n\u01b0\u1edbc, v\u00e0 \u0111\u1ed9 th\u00f4ng tho\u00e1ng.<\/p>\n<\/li>\n

  2. \n

    Ch\u1ea5t h\u1eefu c\u01a1 (m\u00f9n)<\/strong>: L\u00e0 ph\u1ea7n \u0111\u1ea5t \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb th\u1ef1c v\u1eadt, \u0111\u1ed9ng v\u1eadt ph\u00e2n h\u1ee7y. \u0110\u00e2y l\u00e0 ngu\u1ed3n dinh d\u01b0\u1ee1ng s\u1ed1ng cho c\u00e2y, gi\u00fap c\u1ea3i thi\u1ec7n k\u1ebft c\u1ea5u \u0111\u1ea5t, t\u0103ng kh\u1ea3 n\u0103ng gi\u1eef n\u01b0\u1edbc v\u00e0 nu\u00f4i d\u01b0\u1ee1ng vi sinh v\u1eadt c\u00f3 l\u1ee3i.<\/p>\n<\/li>\n

  3. \n

    N\u01b0\u1edbc<\/strong>: Kh\u00f4ng ch\u1ec9 gi\u00fap c\u00e2y sinh tr\u01b0\u1edfng m\u00e0 c\u00f2n l\u00e0 dung m\u00f4i \u0111\u1ec3 dinh d\u01b0\u1ee1ng h\u00f2a tan, s\u1eb5n s\u00e0ng cho r\u1ec5 c\u00e2y h\u1ea5p th\u1ee5. \u0110\u1ea5t gi\u1eef n\u01b0\u1edbc t\u1ed1t s\u1ebd l\u00e0m gi\u1ea3m r\u1ee7i ro trong m\u00f9a h\u1ea1n, \u0111\u1ed3ng th\u1eddi b\u1ea3o v\u1ec7 h\u1ec7 sinh th\u00e1i \u0111\u1ea5t.<\/p>\n<\/li>\n

  4. \n

    Kh\u00f4ng kh\u00ed<\/strong>: R\u1ec5 c\u00e2y c\u1ea7n oxy \u0111\u1ec3 h\u00f4 h\u1ea5p, vi sinh v\u1eadt c\u1ea7n kh\u00f4ng kh\u00ed \u0111\u1ec3 ph\u00e2n gi\u1ea3i ch\u1ea5t h\u1eefu c\u01a1. M\u1ed9t l\u1edbp \u0111\u1ea5t t\u1ed1t l\u00e0 l\u1edbp \u0111\u1ea5t v\u1eeba gi\u1eef n\u01b0\u1edbc, v\u1eeba tho\u00e1t n\u01b0\u1edbc v\u00e0 th\u00f4ng kh\u00ed \u0111\u1ea7y \u0111\u1ee7.<\/p>\n<\/li>\n<\/ol>\n

    Ngo\u00e0i ra, vi sinh v\u1eadt trong \u0111\u1ea5t<\/strong> \u2013 t\u1eeb n\u1ea5m men, vi khu\u1ea9n \u0111\u1ebfn giun \u0111\u1ea5t \u2013 l\u00e0 nh\u1eefng \u201cng\u01b0\u1eddi th\u1ee3 \u00e2m th\u1ea7m\u201d gi\u00fap ph\u00e2n gi\u1ea3i ch\u1ea5t h\u1eefu c\u01a1, c\u1ea3i thi\u1ec7n c\u1ea5u tr\u00fac \u0111\u1ea5t v\u00e0 b\u1ea3o v\u1ec7 c\u00e2y kh\u1ecfi b\u1ec7nh t\u1eadt. Nh\u00ecn s\u00e2u v\u00e0o \u0111\u1ea5t, ch\u00fang ta th\u1ea5y c\u1ea3 m\u1ed9t v\u0169 tr\u1ee5 s\u1ed1ng phong ph\u00fa d\u01b0\u1edbi m\u1ed7i h\u1ea1t \u0111\u1ea5t.<\/p>\n

    \"T\u00ecm<\/p>\n

    3. \u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a \u0111\u1ea5t n\u00f4ng nghi\u1ec7p<\/h2>\n

    M\u1ed9t \u0111\u1ea5t n\u00f4ng nghi\u1ec7p l\u00fd t\u01b0\u1edfng kh\u00f4ng ch\u1ec9 d\u1ef1a v\u00e0o m\u00e0u s\u1eafc hay k\u1ebft c\u1ea5u, m\u00e0 c\u00f2n d\u1ef1a tr\u00ean kh\u1ea3 n\u0103ng sinh h\u1ecdc, h\u00f3a h\u1ecdc v\u00e0 v\u1eadt l\u00fd:<\/p>\n