{"id":1375,"date":"2020-07-01T17:00:47","date_gmt":"2020-07-01T10:00:47","guid":{"rendered":"http:\/\/adiagri.com\/?p=1375"},"modified":"2020-07-01T17:00:47","modified_gmt":"2020-07-01T10:00:47","slug":"giai-phap-cho-cay-lua-vung-dat-phen","status":"publish","type":"post","link":"https:\/\/adiagri.com\/en\/giai-phap-cho-cay-lua-vung-dat-phen\/","title":{"rendered":"Gi\u1ea3i ph\u00e1p cho c\u00e2y l\u00faa v\u00f9ng \u0111\u1ea5t ph\u00e8n"},"content":{"rendered":"

Sorry, this entry is only available in Vietnamese<\/a>. For the sake of viewer convenience, the content is shown below in the alternative language. You may click the link to switch the active language.<\/p>

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Trong canh t\u00e1c n\u00f4ng nghi\u1ec7p\u00a0nhi\u1ec1u ng\u01b0\u1eddi\u00a0quan t\u00e2m \u0111\u1ebfn t\u00ednh ch\u1ea5t \u0111\u1ea5t canh t\u00e1c, trong \u0111\u00f3 n\u00f3i nhi\u1ec1u \u0111\u1ebfn t\u00ednh chua ph\u00e8n c\u1ee7a \u0111\u1ea5t, s\u1ef1 suy tho\u00e1i \u0111\u1ea5t l\u00e0m cho \u0111\u1ea5t tr\u1edf n\u00ean chua h\u01a1n v\u00e0 \u0111\u1eb7c t\u00ednh n\u00e0y \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n b\u1eb1ng ch\u1ec9 s\u1ed1 pH \u0111\u1ea5t.<\/strong><\/p>\n

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Gi\u1edbi h\u1ea1n pH \u0111\u1ea5t qu\u00e1 th\u1ea5p (pH <4.5) – \u0111\u1ea5t r\u1ea5t chua, pH \u0111\u1ea5t ph\u1ed5 bi\u1ebfn (4.5< pH <5.5) – \u0111\u1ea5t chua v\u00e0 pH \u0111\u1ea5t th\u00edch h\u1ee3p c\u00e2y tr\u1ed3ng sinh tr\u01b0\u1edfng m\u1ea1nh (5.5).<\/p>\n\n\n\n\n
08-54-35_nh_-_khong_top-green_xu_ly_tot_dt_phen_cho_vung_dt_lu<\/td>\n<\/tr>\n
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Vi\u1ec7c \u0111\u1ea5t c\u00f3 pH qu\u00e1 th\u1ea5p g\u00e2y \u1ea3nh h\u01b0\u1edfng nhi\u1ec1u \u0111\u1ebfn sinh tr\u01b0\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e2y tr\u1ed3ng, c\u00e2y h\u1ea5p thu dinh d\u01b0\u1ee1ng kh\u00f3 kh\u0103n h\u01a1n, n\u1ea5m b\u1ec7nh trong \u0111\u1ea5t nhi\u1ec1u h\u01a1n d\u1eabn \u0111\u1ebfn gia t\u0103ng chi ph\u00ed s\u1ea3n xu\u1ea5t, thi\u1ec7t h\u1ea1i v\u1ec1 n\u0103ng su\u1ea5t c\u00e2y tr\u1ed3ng.<\/p>\n

N\u00f4ng d\u00e2n quanh n\u0103m b\u00e1n m\u1eb7t cho \u0111\u1ea5t b\u00e1n l\u01b0ng cho tr\u1eddi, b\u00e1m \u0111\u1ea5t b\u00e1m v\u01b0\u1eddn ph\u00e1t tri\u1ec3n kinh t\u1ebf n\u00f4ng nghi\u1ec7p, lu\u00f4n g\u1eb7p ph\u1ea3i t\u00ecnh tr\u1ea1ng c\u00e2y tr\u1ed3ng sinh tr\u01b0\u1edfng k\u00e9m, s\u00e2u b\u1ec7nh t\u1ea5n c\u00f4ng, chi ph\u00ed ph\u00e2n b\u00f3n ng\u00e0y m\u1ed9t t\u0103ng. N\u0103ng su\u1ea5t ph\u1ee5 thu\u1ed9c r\u1ea5t nhi\u1ec1u v\u00e0o th\u1eddi ti\u1ebft d\u00f9 \u0111\u00e3 \u00e1p d\u1ee5ng nhi\u1ec1u bi\u1ec7n ph\u00e1p canh t\u00e1c kh\u00e1c nhau v\u00e0 vi\u1ec7c t\u00ecm ra gi\u1ea3i ph\u00e1p hi\u1ec7u qu\u1ea3 \u0111\u1ec3 canh t\u00e1c tr\u00ean v\u00f9ng \u0111\u1ea5t nhi\u1ec5m ph\u00e8n v\u00e0 \u0111\u1ea5t ng\u00e0y c\u00e0ng chua h\u00f3a ch\u01b0a th\u1eadt s\u1ef1 th\u00e0nh c\u00f4ng.<\/p>\n

L\u00faa c\u00f3 th\u1ec3 c\u00f9ng m\u1ed9t l\u00fac b\u1ecb ph\u00e8n v\u00e0 ng\u1ed9 \u0111\u1ed9c h\u1eefu c\u01a1. L\u00fac n\u00e0y n\u1ebfu b\u1ecb m\u1ed9t trong hai hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y ho\u1eb7c c\u00f9ng c\u00f9ng m\u1ed9t l\u00fac b\u1ecb hai lo\u1ea1i th\u00ec l\u00faa r\u1ea5t d\u1ec5 b\u1ecb h\u1ea1i v\u00e0 h\u1ea1i n\u1eb7ng h\u01a1n th\u1eddi k\u1ef3 l\u00faa con g\u00e1i. L\u00fd do ch\u00ednh l\u00e0 th\u1eddi k\u1ef3 n\u00e0y quy\u1ebft \u0111\u1ecbnh s\u1ed1 gi\u00e9, s\u1ed1 hoa, s\u1ed1 h\u1ea1t v\u00e0 c\u1ea3 t\u1ef7 l\u1ec7 h\u1ea1t ch\u1eafc tr\u00ean b\u00f4ng. Th\u1eddi k\u1ef3 tr\u00ean c\u00e2y c\u0169ng ch\u1ec9 c\u00f2n kho\u1ea3ng 4 l\u00e1 n\u1eefa l\u00e0 tr\u1ed5 b\u00f4ng. Kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng \u0111\u00e2m ch\u1ed3i ra l\u00e1 th\u00eam n\u1eefa. C\u00e2y n\u00e0o, d\u1ea3nh n\u00e0o ch\u1ebft l\u00e0 m\u1ea5t v\u00e0 b\u1ecb gi\u1ea3m n\u0103ng su\u1ea5t. V\u00ec v\u1eady, b\u1eb1ng m\u1ecdi gi\u00e1 ph\u1ea3i c\u1ee9u cho l\u00faa kh\u1ecfi b\u1ecb ph\u00e8n h\u1ea1i.<\/p>\n

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L\u00faa l\u00e0m \u0111\u00f2ng<\/em><\/p>\n

M\u1eb7t kh\u00e1c th\u1eddi k\u1ef3 n\u00e0y l\u00e0 th\u1eddi k\u1ef3 xung y\u1ebfu, v\u00ec v\u1eady b\u1ea5t k\u1ef3 m\u1ed9t t\u00e1c \u0111\u1ed9ng b\u1ea5t l\u1ee3i n\u00e0o g\u00e2y n\u00ean cho c\u00e2y l\u00faa th\u00ec s\u1ebd b\u1ecb n\u1eb7ng h\u01a1n c\u00e1c th\u1eddi k\u1ef3 tr\u01b0\u1edbc \u0111\u00f3. Khi ph\u00e1t hi\u1ec7n l\u00faa b\u1ecb ng\u1ed9 \u0111\u1ed9c h\u1eefu c\u01a1 hay b\u1ecb ph\u00e8n h\u1ea1i th\u00ec c\u00e1ch kh\u1eafc ph\u1ee5c c\u0169ng nh\u01b0 c\u00e1ch \u0111\u00e3 n\u00eau \u0111\u1ed1i v\u1edbi l\u00faa th\u1eddi k\u1ef3 con g\u00e1i. Ch\u1ec9 kh\u00e1c c\u01a1 b\u1ea3n l\u00e0 l\u00faa th\u1eddi k\u1ef3 n\u00e0y b\u00f3n n\u1eb7ng Kali, gi\u1ea3m l\u01b0\u1ee3ng \u0111\u1ea1m v\u00e0 l\u00e2n xu\u1ed1ng. Sau khi b\u00f3n v\u00f4i, \u0111\u1ec3 2 \u2013 3 ng\u00e0y r\u1ed3i b\u00f3n th\u00fac \u0111\u1ea1m, l\u00e2n, kali. L\u00fac n\u00e0y n\u1ebfu c\u00f3 ph\u00e2n tr\u1ed9n NPK theo t\u1ef7 l\u1ec7 N:P:K = 1-1-2 ho\u1eb7c 1-1-3 th\u00ec b\u00f3n cho l\u00faa l\u00e0 ti\u1ec7n l\u1ee3i h\u01a1n c\u1ea3. \u1ede c\u00e1c v\u00f9ng \u0111\u1ea5t ph\u00e8n c\u1ee7a mi\u1ec1n B\u1eafc, ba 2con n\u00ean d\u00f9ng ph\u00e2n b\u00f3n chuy\u00ean d\u00f9ng cho l\u00faa hi\u1ec7u \u0110\u1ea7u Tr\u00e2u L2 \u0111\u1ec3 b\u00f3n.<\/p>\n

\u1ede v\u00f9ng \u0110BSCL, b\u00e0 con n\u00ean d\u00f9ng lo\u1ea1i NPK c\u1ee7a \u0110\u1ea7u Tr\u00e2u TE-02 \u0111\u1ec3 b\u00f3n. Ch\u1ec9 c\u1ea7n b\u00f3n 10 -15 kg\/1 c\u00f4ng l\u00faa l\u00e0 ph\u00f9 h\u1ee3p. Ch\u00fa \u00fd nh\u1eefng \u0111\u00e1m ru\u1ed9ng l\u00faa qu\u00e1 t\u1ed1t th\u00ec kh\u00f4ng n\u00ean b\u00f3n th\u00eam ph\u00e2n c\u00f3 ch\u1ee9a \u0111\u1ea1m. N\u00ean \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p b\u00f3n v\u00e1 \u00e1o \u0111\u1ec3 cho ru\u1ed9ng l\u00faa \u0111\u01b0\u1ee3c \u0111\u1ed3ng \u0111\u1ec1u. C\u1ea7n gi\u1eef n\u01b0\u1edbc n\u00f4ng th\u01b0\u1eddng xuy\u00ean cho \u0111\u1ebfn khi l\u00faa ch\u00edn. N\u1ebfu ch\u1ee7 \u0111\u1ed9ng \u0111\u01b0\u1ee3c n\u01b0\u1edbc th\u00ec n\u00ean th\u00e1o c\u1ea1n khi l\u00faa ch\u1eafc xanh, r\u1ed3i cho n\u01b0\u1edbc v\u00e0o \u0111\u1ebfn tr\u01b0\u1edbc khi thu ho\u1ea1ch kho\u1ea3ng 1 tu\u1ea7n ta l\u1ea1i th\u00e1o c\u1ea1n. \u1ede th\u1eddi k\u1ef3 n\u00e0y, n\u1ebfu th\u1ea5y ru\u1ed9ng l\u00faa c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng v\u00e0ng l\u00e1 t\u1eebng m\u1ea3ng l\u00e0 ta ph\u1ea3i ti\u1ebfn h\u00e0nh x\u1eed l\u00fd ngay, c\u00f3 th\u1ec3 t\u1eadp trung \u01b0u ti\u00ean x\u1eed l\u00fd \u1edf khu v\u1ef1c b\u1ecb h\u1ea1i, c\u00f2n c\u00e1c ch\u1ed7 kh\u00e1c ti\u1ebfn h\u00e0nh ch\u0103m s\u00f3c theo l\u1ecbch \u0111\u00e3 \u0111\u1ecbnh.<\/p>\n

B\u00e0 con c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng 1 trong nh\u1eefng v\u1eadt li\u1ec7u ghi trong b\u1ea3ng sau \u0111\u1ec3 x\u1eed l\u00fd, hi\u1ec7u qu\u1ea3 s\u1ebd t\u1ed1t h\u01a1n.<\/p>\n

\u00a0B\u1ea3ng C\u00e1c v\u1eadt li\u1ec7u d\u00f9ng \u0111\u1ec3 x\u1eed l\u00fd \u0111\u1ed9c (Al, Fe) trong ru\u1ed9ng l\u00faa<\/strong><\/p>\n

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(Achim Dobermann v\u00e0 Thomas Fairhurst, 2000)<\/strong><\/p>\n

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<\/p>","protected":false},"excerpt":{"rendered":"

Sorry, this entry is only available in Vietnamese. For the sake of viewer convenience, the content is shown below in the alternative language. You may click the link to switch the active language. Trong canh t\u00e1c n\u00f4ng nghi\u1ec7p\u00a0nhi\u1ec1u ng\u01b0\u1eddi\u00a0quan t\u00e2m \u0111\u1ebfn t\u00ednh ch\u1ea5t \u0111\u1ea5t canh t\u00e1c, trong \u0111\u00f3 n\u00f3i nhi\u1ec1u \u0111\u1ebfn t\u00ednh chua ph\u00e8n c\u1ee7a […]<\/p>\n","protected":false},"author":1,"featured_media":1376,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1,22],"tags":[],"_links":{"self":[{"href":"https:\/\/adiagri.com\/en\/wp-json\/wp\/v2\/posts\/1375"}],"collection":[{"href":"https:\/\/adiagri.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/adiagri.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/adiagri.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/adiagri.com\/en\/wp-json\/wp\/v2\/comments?post=1375"}],"version-history":[{"count":1,"href":"https:\/\/adiagri.com\/en\/wp-json\/wp\/v2\/posts\/1375\/revisions"}],"predecessor-version":[{"id":1377,"href":"https:\/\/adiagri.com\/en\/wp-json\/wp\/v2\/posts\/1375\/revisions\/1377"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/adiagri.com\/en\/wp-json\/wp\/v2\/media\/1376"}],"wp:attachment":[{"href":"https:\/\/adiagri.com\/en\/wp-json\/wp\/v2\/media?parent=1375"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/adiagri.com\/en\/wp-json\/wp\/v2\/categories?post=1375"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/adiagri.com\/en\/wp-json\/wp\/v2\/tags?post=1375"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}