{"id":15896,"date":"2024-05-29T13:49:09","date_gmt":"2024-05-29T06:49:09","guid":{"rendered":"https:\/\/catlong.vn\/?p=15896"},"modified":"2025-10-17T15:19:41","modified_gmt":"2025-10-17T08:19:41","slug":"nang-nong-va-nhung-luu-y-quan-li-dich-hai-dau-vu-he-thu-2024-2","status":"publish","type":"post","link":"https:\/\/catlong.vn\/?p=15896","title":{"rendered":"N\u1eaeNG N\u00d3NG V\u00c0 NH\u1eeeNG L\u01afU \u00dd QU\u1ea2N L\u00dd D\u1ecaCH H\u1ea0I \u0110\u1ea6U V\u1ee4 H\u00c8 – THU N\u0102M 2024."},"content":{"rendered":"\n
\"\"<\/figure>\n\n\n\n

Th\u1eddi ti\u1ebft n\u1eafng n\u00f3ng, xen k\u1ebd nh\u1eefng c\u01a1n m\u01b0a \u0111\u1ea7u m\u00f9a s\u1ebd t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho s\u00e2u h\u1ea1i, n\u1ea5m b\u1ec7nh ph\u00e1t sinh ph\u00e1t tri\u1ec3n tr\u00ean c\u00e2y l\u00faa v\u00e0 c\u00e1c lo\u1ea1i c\u00e2y tr\u1ed3ng….<\/p>\n\n\n\n

N\u0103m 2024 \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 l\u00e0 m\u1ed9t trong nh\u1eefng n\u0103m th\u1eddi ti\u1ebft kh\u1eafc nghi\u1ec7t nh\u1ea5t. N\u1eafng n\u00f3ng gay g\u1eaft v\u00e0 k\u00e9o d\u00e0i khi\u1ebfn c\u00e2y l\u00faa k\u00e9m ph\u00e1t tri\u1ec3n ngay t\u1eeb \u0111\u1ea7u v\u1ee5. Nhi\u1ec1u n\u01a1i, h\u1ea1n m\u1eb7n k\u1ebft h\u1ee3p s\u00e2u b\u1ec7nh h\u1ea1i t\u1ea5n c\u00f4ng l\u00e0m t\u00ecnh h\u00ecnh canh t\u00e1c v\u1ee5 h\u00e8 thu 2024 th\u00eam kh\u00f3 kh\u0103n.<\/p>\n\n\n\n

Hi\u1ec7n <\/a>nay, \u1edf \u0110\u1ed3ng b\u1eb1ng s\u00f4ng C\u1eedu Long (\u0110BSCL) m\u01b0a \u0111\u00e3 xu\u1ea5t hi\u1ec7n \u1edf nhi\u1ec1u n\u01a1i. Theo ng\u00e0nh n\u00f4ng nghi\u1ec7p, th\u1eddi ti\u1ebft n\u1eafng n\u00f3ng, xen k\u1ebd nh\u1eefng c\u01a1n m\u01b0a s\u1ebd t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho s\u00e2u h\u1ea1i, n\u1ea5m b\u1ec7nh ph\u00e1t sinh ph\u00e1t tri\u1ec3n tr\u00ean c\u00e2y l\u00faa.<\/p>\n\n\n\n

T\u1ea1i huy\u1ec7n G\u00f2 Quao, t\u1ec9nh Ki\u00ean Giang, di\u1ec7n t\u00edch l\u00faa h\u00e8 thu \u0111\u00e3 xu\u1ed1ng gi\u1ed1ng kho\u1ea3ng 4.000 ha. Hi\u1ec7n, t\u00ecnh h\u00ecnh h\u1ea1n m\u1eb7n v\u1eabn \u0111ang di\u1ec5n bi\u1ebfn ph\u1ee9c t\u1ea1p. N\u1eafng n\u00f3ng gay g\u1eaft v\u1edbi nhi\u1ec7t \u0111\u1ed9 t\u1eeb 38\u00b0C-40\u00b0C v\u00e0 k\u00e9o d\u00e0i khi\u1ebfn nhi\u1ec1u ru\u1ed9ng l\u00faa b\u1ecb thi\u1ebfu n\u01b0\u1edbc, c\u00e2y l\u00faa \u00faa v\u00e0ng, ch\u1eadm ph\u00e1t tri\u1ec3n v\u00e0 \u0111\u1ebb ch\u1ed3i, th\u1eadm ch\u00ed nhi\u1ec1u ch\u1ed3i l\u00faa b\u1ecb kh\u00f4 h\u00e9o v\u00e0 ch\u1ebft.<\/p>\n\n\n\n

V\u1edbi c\u00e1c ru\u1ed9ng l\u00faa c\u00f3 bi\u1ec3u hi\u1ec7n n\u00e0y, b\u00e0 con c\u1ea7n l\u01b0u \u00fd n\u00ean phun m\u1ed9t s\u1ed1 k\u00edch th\u00edch t\u1ed1 sinh tr\u01b0\u1edfng \u0111\u1ec3 gia t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu v\u1edbi \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 cao n\u00e0y cho c\u00e2y l\u00faa.<\/p>\n\n\n\n

\u0110\u1ed3ng th\u1eddi, d\u1ecbch h\u1ea1i c\u0169ng \u0111\u00e3 xu\u1ea5t hi\u1ec7n v\u00e0 g\u00e2y h\u1ea1i cho nhi\u1ec1u tr\u00e0 l\u00faa. Tuy nhi\u00ean, m\u1eadt \u0111\u1ed9 ch\u01b0a cao. D\u00f9 v\u1eady, ng\u00e0nh n\u00f4ng nghi\u1ec7p khuy\u1ebfn c\u00e1o, b\u00e0 con n\u00ean ch\u1ee7 \u0111\u1ed9ng th\u0103m \u0111\u1ed3ng th\u01b0\u1eddng xuy\u00ean, ch\u0103m s\u00f3c c\u00e2y l\u00faa kh\u1ecfe b\u1eb1ng c\u00e1ch b\u00f3n ph\u00e2n c\u00e2n \u0111\u1ed1i.<\/p>\n\n\n\n

Kh\u00f4ng n\u00ean v\u00ec gi\u00e1 l\u00faa cao, m\u00e0 \u0111\u1ea7u t\u01b0 qu\u00e1 nhi\u1ec1u, b\u00f3n th\u1eeba ph\u00e2n, nh\u1ea5t l\u00e0 ph\u00e2n \u0111\u1ea1m d\u1eabn \u0111\u1ebfn c\u00e2y l\u00faa y\u1ebfu, s\u00e2u b\u1ec7nh d\u1ec5 t\u1ea5n c\u00f4ng, \u0111\u1ed3ng th\u1eddi th\u00e2n r\u1ea1 y\u1ebfu d\u1ec5 \u0111\u1ed5 ng\u00e3. B\u00e0 con ch\u1ec9 n\u00ean phun thu\u1ed1c di\u1ec7t tr\u1eeb s\u00e2u b\u1ec7nh h\u1ea1i khi ru\u1ed9ng l\u00faa xu\u1ea5t hi\u1ec7n v\u1edbi m\u1eadt \u0111\u1ed9 nhi\u1ec1u \u1edf ng\u01b0\u1ee1ng c\u00f3 nguy c\u01a1 g\u00e2y h\u1ea1i cho ru\u1ed9ng l\u00faa.<\/p>\n\n\n\n

Theo c\u00e1c nh\u00e0 khoa h\u1ecdc, \u0111\u1ec3 ph\u00f2ng ng\u1eeba hi\u1ec7u qu\u1ea3 s\u00e2u b\u1ec7nh h\u1ea1i, nh\u1ea5t l\u00e0 giai \u0111o\u1ea1n \u0111\u1ea7u v\u1ee5 h\u00e8 thu, b\u00e0 con n\u00ean \u00e1p d\u1ee5ng quy tr\u00ecnh canh t\u00e1c l\u00faa th\u00f4ng minh, \u1ee9ng d\u1ee5ng \u0111\u1ed3ng b\u1ed9 c\u00e1c gi\u1ea3i ph\u00e1p \u201c3 gi\u1ea3m, 3 t\u0103ng\u201d, \u201c1 ph\u1ea3i, 5 gi\u1ea3m\u201d, l\u00e0m \u0111\u1ea5t, ch\u1ecdn gi\u1ed1ng kh\u00e1ng b\u1ec7nh, x\u1eed l\u00ed h\u1ea1t gi\u1ed1ng, gi\u1ea3m l\u01b0\u1ee3ng gi\u1ed1ng gieo s\u1ea1 xu\u1ed1ng d\u01b0\u1edbi 80kg\/ha, kh\u00f4ng phun thu\u1ed1c tr\u1eeb s\u00e2u tr\u01b0\u1edbc 40 ng\u00e0y sau s\u1ea1 \u0111\u1ec3 b\u1ea3o v\u1ec7 thi\u00ean \u0111\u1ecbch, c\u00e2n b\u1eb1ng h\u1ec7 sinh th\u00e1i \u0111\u1ed3ng ru\u1ed9ng, b\u00f3n ph\u00e2n th\u00f4ng minh, nh\u1ea5t l\u00e0 nh\u1eefng v\u00f9ng \u0111\u1ea5t b\u1ecb nhi\u1ec5m m\u1eb7n ph\u00e8n, khu v\u1ef1c ven bi\u1ec3n c\u1ea7n c\u1ea3i t\u1ea1o \u0111\u1ea5t k\u1ef9 tr\u01b0\u1edbc khi xu\u1ed1ng gi\u1ed1ng, c\u1ee5 th\u1ec3:<\/p>\n\n\n\n

– B\u00f3n l\u00f3t \u0111\u1ea7u v\u1ee5 b\u1eb1ng ph\u00e2n b\u00f3n chuy\u00ean d\u00f9ng NPK 6-9-3, l\u01b0\u1ee3ng b\u00f3n t\u1eeb 100 \u2013 150 kg\/ha; ho\u1eb7c d\u00f9ng ch\u1ebf ph\u1ea9m Bio canxi v\u1eeba h\u1ed7 tr\u1ee3 ph\u00e2n h\u1ee7y r\u01a1m r\u1ea1 v\u1eeba c\u1ea3i t\u1ea1o \u0111\u1ea5t gi\u00fap t\u0103ng pH.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

– Giai \u0111o\u1ea1n, t\u1eeb 7-10 ng\u00e0y sau khi gieo s\u1ea1, b\u00f3n th\u00fac l\u1ea7n 1: B\u00f3n ph\u00e2n \u0110\u00ecnh V\u0169 NPK 13-5-9, l\u01b0\u1ee3ng b\u00f3n 100-150kg\/ha<\/p>\n\n\n\n

– Giai \u0111o\u1ea1n \u0111\u1ebb nh\u00e1nh, t\u1eeb 18-22 ng\u00e0y sau s\u1ea1, b\u00f3n th\u00fac l\u1ea7n 2: B\u00f3n ph\u00e2n \u0110\u00ecnh V\u0169 NPK 13-5-9, l\u01b0\u1ee3ng b\u00f3n 100-150kg\/ha<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

– Giai \u0111o\u1ea1n b\u00f3n ph\u00e2n \u0111\u00f3n \u0111\u00f2ng, t\u1eeb 38-42 ng\u00e0y sau s\u1ea1, b\u00f3n th\u00fac l\u1ea7n 3: B\u00f3n ph\u00e2n \u0110\u00ecnh V\u0169 NPK 12-12-17 ho\u1eb7c NPK 15-9-20, l\u01b0\u1ee3ng b\u00f3n 100-150kg\/ha.<\/p>\n\n\n\n

S\u1ebd gi\u00fap c\u00e2y l\u00faa kh\u1ecfe, c\u1ee9ng c\u00e2y, t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu th\u1eddi ti\u1ebft b\u1ea5t l\u1ee3i, t\u1eeb \u0111\u00f3 ph\u00f2ng tr\u1eeb s\u00e2u b\u1ec7nh h\u1ea1i hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

\u0110\u1ed1i v\u1edbi c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng s\u00e2u b\u1ec7nh h\u1ea1i th\u01b0\u1eddng g\u1eb7p \u1edf \u0111\u1ea7u v\u1ee5 h\u00e8 thu nh\u01b0 b\u1ecd tr\u0129 (hay c\u00f2n g\u1ecdi l\u00e0 b\u00f9 l\u1ea1ch), v\u00e0 s\u00e2u cu\u1ed1n l\u00e1, \u2026 b\u00e0 con ch\u00fa \u00fd:<\/p>\n\n\n\n

– V\u1edbi b\u1ecd tr\u0129, b\u00e0 con kh\u00f4ng n\u00ean phun thu\u1ed1c di\u1ec7t b\u1ecd tr\u0129 m\u00e0 n\u00ean qu\u1ea3n l\u00ed b\u1eb1ng c\u00e1ch l\u00e0m \u0111\u1ea5t k\u1ef9; B\u00f3n ph\u00e2n th\u00fac, giai \u0111o\u1ea1n l\u00faa 7-10 ng\u00e0y sau s\u1ea1; \u0110\u1ed1i v\u1edbi l\u00faa nh\u1ecf, d\u01b0\u1edbi 10 ng\u00e0y sau s\u1ea1 n\u1ebfu ru\u1ed9ng l\u00faa xu\u1ea5t hi\u1ec7n b\u1ecd tr\u0129 m\u1eadt \u0111\u1ed9 \u00edt th\u00ec b\u00e0 con b\u01a1m n\u01b0\u1edbc ng\u1eadp ru\u1ed9ng trong th\u1eddi gian 1 bu\u1ed5i ho\u1eb7c 1 \u0111\u00eam v\u00e0 kh\u00f4ng c\u1ea7n phun thu\u1ed1c di\u1ec7t; \u0110\u1ed1i v\u1edbi l\u00faa 10-15 ng\u00e0y sau s\u1ea1, ru\u1ed9ng kh\u00f4 th\u00ec s\u1eed d\u1ee5ng ph\u00e2n phun qua l\u00e1 ch\u1ee9a canxi, silic, s\u1eaft, k\u1ebdm,\u2026<\/p>\n\n\n\n

– V\u1edbi s\u00e2u cu\u1ed1n l\u00e1, \u0111\u1ec3 ph\u00f2ng tr\u1eeb hi\u1ec7u qu\u1ea3, b\u00e0 con c\u1ea7n t\u00edch c\u1ef1c ki\u1ec3m tra, theo d\u00f5i s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a s\u00e2u. H\u1ea1n ch\u1ebf phun thu\u1ed1c tr\u1eeb s\u00e2u cho l\u00faa d\u01b0\u1edbi 40 ng\u00e0y \u0111\u1ec3 b\u1ea3o t\u1ed3n thi\u00ean \u0111\u1ecbch v\u00ec giai \u0111o\u1ea1n n\u00e0y khi s\u00e2u g\u00e2y h\u1ea1i \u1edf m\u1eadt \u0111\u1ed9 th\u1ea5p, s\u1ef1 thi\u1ec7t h\u1ea1i kh\u00f4ng \u0111\u00e1ng k\u1ec3 do c\u00e2y l\u00faa c\u00f3 kh\u1ea3 n\u0103ng t\u1ef1 b\u00f9 \u0111\u1eafp.<\/p>\n\n\n\n

Trong giai \u0111o\u1ea1n l\u00faa \u0111\u1ebb nh\u00e1nh ch\u1ec9 n\u00ean phun thu\u1ed1c khi m\u1eadt \u0111\u1ed9 s\u00e2u xu\u1ea5t hi\u1ec7n kho\u1ea3ng 30-40 con\/m2. Trong giai \u0111o\u1ea1n \u0111\u00f2ng-tr\u1ed5 m\u1eadt \u0111\u1ed9 kho\u1ea3ng 15-20con\/m2 m\u1edbi ph\u1ea3i ti\u1ebfn h\u00e0nh phun \u0111\u00fang thu\u1ed1c. Quan s\u00e1t \u0111\u1ed3ng ru\u1ed9ng khi th\u1ea5y xu\u1ea5t hi\u1ec7n s\u00e2u tu\u1ed5i 1-3 th\u00ec ti\u1ebfn h\u00e0nh phun thu\u1ed1c hi\u1ec7u qu\u1ea3 s\u1ebd cao h\u01a1n.<\/p>\n","protected":false},"excerpt":{"rendered":"

Th\u1eddi ti\u1ebft n\u1eafng n\u00f3ng, xen k\u1ebd nh\u1eefng c\u01a1n m\u01b0a \u0111\u1ea7u m\u00f9a s\u1ebd t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho s\u00e2u h\u1ea1i, n\u1ea5m b\u1ec7nh ph\u00e1t sinh ph\u00e1t tri\u1ec3n tr\u00ean c\u00e2y l\u00faa v\u00e0 c\u00e1c lo\u1ea1i c\u00e2y tr\u1ed3ng…. N\u0103m 2024 \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 l\u00e0 m\u1ed9t trong nh\u1eefng n\u0103m th\u1eddi ti\u1ebft kh\u1eafc nghi\u1ec7t nh\u1ea5t. N\u1eafng n\u00f3ng gay g\u1eaft v\u00e0 k\u00e9o …<\/p>\n

N\u1eaeNG N\u00d3NG V\u00c0 NH\u1eeeNG L\u01afU \u00dd QU\u1ea2N L\u00dd D\u1ecaCH H\u1ea0I \u0110\u1ea6U V\u1ee4 H\u00c8 – THU N\u0102M 2024.<\/span> Read More »<\/a><\/p>\n","protected":false},"author":1,"featured_media":15899,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[156],"tags":[],"class_list":["post-15896","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/catlong.vn\/index.php?rest_route=\/wp\/v2\/posts\/15896","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/catlong.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/catlong.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/catlong.vn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/catlong.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=15896"}],"version-history":[{"count":2,"href":"https:\/\/catlong.vn\/index.php?rest_route=\/wp\/v2\/posts\/15896\/revisions"}],"predecessor-version":[{"id":15906,"href":"https:\/\/catlong.vn\/index.php?rest_route=\/wp\/v2\/posts\/15896\/revisions\/15906"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/catlong.vn\/index.php?rest_route=\/wp\/v2\/media\/15899"}],"wp:attachment":[{"href":"https:\/\/catlong.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=15896"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/catlong.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=15896"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/catlong.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=15896"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}