{"id":739,"date":"2025-07-22T11:24:04","date_gmt":"2025-07-22T11:24:04","guid":{"rendered":"https:\/\/kientuong.htxnongnghiepxanh.org\/?p=739"},"modified":"2025-07-28T23:18:52","modified_gmt":"2025-07-28T23:18:52","slug":"lam-the-nao-de-phong-tru-sau-benh-mua-mua-an-toan-va-tiet-kiem","status":"publish","type":"post","link":"https:\/\/kientuong.htxnongnghiepxanh.org\/en\/lam-the-nao-de-phong-tru-sau-benh-mua-mua-an-toan-va-tiet-kiem\/","title":{"rendered":"L\u00e0m Th\u1ebf N\u00e0o \u0110\u1ec3 Ph\u00f2ng Tr\u1eeb S\u00e2u B\u1ec7nh M\u00f9a M\u01b0a An To\u00e0n V\u00e0 Ti\u1ebft Ki\u1ec7m"},"content":{"rendered":"<p data-start=\"159\" data-end=\"453\">M\u1ed7i n\u0103m, khi nh\u1eefng c\u01a1n m\u01b0a \u0111\u1ea7u m\u00f9a b\u1eaft \u0111\u1ea7u r\u01a1i, ng\u01b0\u1eddi l\u00e0m v\u01b0\u1eddn nh\u01b0 ch\u00fang ta l\u1ea1i c\u1ea3m nh\u1eadn \u0111\u01b0\u1ee3c m\u1ed9t lu\u1ed3ng sinh kh\u00ed m\u1edbi len l\u1ecfi trong t\u1eebng lu\u1ed1ng rau, t\u1eebng g\u1ed1c c\u00e2y. M\u01b0a gi\u00fap \u0111\u1ea5t m\u1ec1m h\u01a1n, c\u00e2y c\u1ed1i t\u01b0\u01a1i t\u1ed1t, s\u1ef1 s\u1ed1ng nh\u01b0 \u0111\u01b0\u1ee3c t\u00e1i sinh. Nh\u01b0ng \u0111i k\u00e8m v\u1edbi nh\u1eefng gi\u1ecdt m\u01b0a \u1ea5y l\u00e0 n\u1ed7i lo quen thu\u1ed9c: s\u00e2u b\u1ec7nh.<\/p>\n<p data-start=\"455\" data-end=\"832\">M\u00f9a m\u01b0a \u2013 t\u01b0\u1edfng l\u00e0 ph\u00fac, l\u1ea1i c\u00f3 th\u1ec3 th\u00e0nh h\u1ecda. \u0110\u1ed9 \u1ea9m cao, \u00e1nh n\u1eafng gi\u00e1n \u0111o\u1ea1n, m\u00f4i tr\u01b0\u1eddng \u1ea9m th\u1ea5p l\u00e0 \u0111i\u1ec1u ki\u1ec7n l\u00fd t\u01b0\u1edfng \u0111\u1ec3 n\u1ea5m b\u1ec7nh, vi khu\u1ea9n v\u00e0 c\u00f4n tr\u00f9ng sinh s\u00f4i n\u1ea3y n\u1edf. Nh\u01b0ng \u0111i\u1ec1u khi\u1ebfn ch\u00fang ta tr\u0103n tr\u1edf nh\u1ea5t kh\u00f4ng ph\u1ea3i ch\u1ec9 l\u00e0 vi\u1ec7c m\u1ea5t m\u00f9a, m\u00e0 l\u00e0 l\u00e0m sao \u0111\u1ec3 b\u1ea3o v\u1ec7 v\u01b0\u1eddn rau \u2013 nh\u1eefng \u0111\u1ee9a con tinh th\u1ea7n c\u1ee7a m\u00ecnh \u2013 m\u1ed9t c\u00e1ch an to\u00e0n, ti\u1ebft ki\u1ec7m, v\u00e0 kh\u00f4ng l\u00e0m t\u1ed5n th\u01b0\u01a1ng \u0111\u1ebfn \u0111\u1ea5t m\u1eb9.<\/p>\n<p data-start=\"834\" data-end=\"1043\">\u0110\u00e2y l\u00e0 b\u00e0i vi\u1ebft kh\u00f4ng d\u00e0nh \u0111\u1ec3 k\u1ec3 chuy\u1ec7n, m\u00e0 l\u00e0 chia s\u1ebb t\u1eeb tr\u00e1i tim, t\u1eeb nh\u1eefng g\u00ec t\u00f4i \u0111\u00e3 h\u1ecdc \u0111\u01b0\u1ee3c, tr\u1ea3i qua, v\u00e0 \u0111\u00fac k\u1ebft \u2013 nh\u01b0 m\u1ed9t ng\u01b0\u1eddi b\u1ea1n \u0111\u1ed3ng h\u00e0nh tr\u00ean con \u0111\u01b0\u1eddng tr\u1ed3ng rau s\u1ea1ch gi\u1eefa bao th\u1eed th\u00e1ch c\u1ee7a m\u00f9a m\u01b0a.<\/p>\n<h2 data-start=\"1050\" data-end=\"1116\">Ph\u1ea7n 1: Hi\u1ec3u v\u1ec1 nguy\u00ean nh\u00e2n v\u00e0 quy lu\u1eadt s\u00e2u b\u1ec7nh trong m\u00f9a m\u01b0a<\/h2>\n<p data-start=\"1118\" data-end=\"1184\">Mu\u1ed1n ph\u00f2ng, ph\u1ea3i hi\u1ec3u. \u0110\u00f3 l\u00e0 quy lu\u1eadt \u0111\u1ea7u ti\u00ean c\u1ee7a ng\u01b0\u1eddi l\u00e0m v\u01b0\u1eddn.<\/p>\n<p data-start=\"1186\" data-end=\"1229\"><strong data-start=\"1186\" data-end=\"1229\">1.1. V\u00ec sao m\u00f9a m\u01b0a l\u1ea1i d\u1ec5 b\u1ecb s\u00e2u b\u1ec7nh?<\/strong><\/p>\n<p data-start=\"1233\" data-end=\"1413\"><strong data-start=\"1233\" data-end=\"1247\">\u0110\u1ed9 \u1ea9m cao:<\/strong> \u0110\u1ea5t \u1ea9m li\u00ean t\u1ee5c khi\u1ebfn n\u1ea5m v\u00e0 vi khu\u1ea9n ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng. Nh\u1eefng lo\u00e0i nh\u01b0 n\u1ea5m Phytophthora, Pythium hay Fusarium d\u1ec5 g\u00e2y th\u1ed1i r\u1ec5, th\u1ed1i g\u1ed1c, l\u00e0m c\u00e2y h\u00e9o r\u0169 b\u1ea5t ng\u1edd.<\/p>\n<p data-start=\"1416\" data-end=\"1538\"><strong data-start=\"1416\" data-end=\"1441\">L\u00e1 c\u00e2y kh\u00f4ng kh\u00f4 k\u1ecbp:<\/strong> M\u01b0a li\u00ean t\u1ee5c khi\u1ebfn l\u00e1 c\u00e2y lu\u00f4n \u1ea9m, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho b\u1ec7nh ph\u1ea5n tr\u1eafng, \u0111\u1ed1m l\u00e1, ch\u00e1y l\u00e1 xu\u1ea5t hi\u1ec7n.<\/p>\n<p data-start=\"1541\" data-end=\"1680\"><strong data-start=\"1541\" data-end=\"1564\">C\u00f4n tr\u00f9ng sinh s\u00f4i:<\/strong> M\u1ed9t s\u1ed1 lo\u00e0i c\u00f4n tr\u00f9ng nh\u01b0 b\u1ecd tr\u0129, r\u1ea7y m\u1ec1m, s\u00e2u t\u01a1, s\u00e2u khoang r\u1ea5t th\u00edch tr\u00fa ng\u1ee5 trong c\u00e1c t\u00e1n l\u00e1 r\u1eadm r\u1ea1p v\u00e0 \u1ea9m \u01b0\u1edbt.<\/p>\n<p data-start=\"1683\" data-end=\"1814\"><strong data-start=\"1683\" data-end=\"1707\">R\u1eeda tr\u00f4i dinh d\u01b0\u1ee1ng:<\/strong> M\u01b0a l\u1edbn c\u00f2n khi\u1ebfn ph\u00e2n b\u00f3n v\u00e0 vi sinh v\u1eadt c\u00f3 l\u1ee3i trong \u0111\u1ea5t b\u1ecb cu\u1ed1n tr\u00f4i, khi\u1ebfn c\u00e2y y\u1ebfu, d\u1ec5 nhi\u1ec5m b\u1ec7nh h\u01a1n.<\/p>\n<p data-start=\"1816\" data-end=\"1867\"><strong data-start=\"1816\" data-end=\"1867\">1.2. Nh\u1eefng lo\u1ea1i s\u00e2u b\u1ec7nh ph\u1ed5 bi\u1ebfn trong m\u00f9a m\u01b0a<\/strong><\/p>\n<p data-start=\"1871\" data-end=\"1907\">B\u1ec7nh th\u1ed1i nh\u0169n (do vi khu\u1ea9n Erwinia)<\/p>\n<p data-start=\"1910\" data-end=\"1945\">B\u1ec7nh s\u01b0\u01a1ng mai, ph\u1ea5n tr\u1eafng (do n\u1ea5m)<\/p>\n<p data-start=\"1948\" data-end=\"1984\">S\u00e2u t\u01a1, s\u00e2u khoang, s\u00e2u xanh da l\u00e1ng<\/p>\n<p data-start=\"1987\" data-end=\"2011\">R\u1ea7y m\u1ec1m, b\u1ecd tr\u0129, b\u1ecd nh\u1ea3y<\/p>\n<p data-start=\"2014\" data-end=\"2042\">B\u1ec7nh \u0111\u1ed1m l\u00e1, ch\u00e1y l\u00e1, h\u00e9o r\u0169<\/p>\n<p data-start=\"2044\" data-end=\"2151\">Khi \u0111\u00e3 hi\u1ec3u r\u00f5 nguy\u00ean nh\u00e2n v\u00e0 k\u1ebb \u0111\u1ecbch, ta m\u1edbi c\u00f3 th\u1ec3 ch\u1ee7 \u0111\u1ed9ng l\u00ean ph\u01b0\u01a1ng \u00e1n ph\u00f2ng ng\u1eeba b\u00e0i b\u1ea3n v\u00e0 b\u1ec1n v\u1eefng.<\/p>\n<h2 data-start=\"2158\" data-end=\"2231\">Ph\u1ea7n 2: Nguy\u00ean t\u1eafc \u201cPh\u00f2ng h\u01a1n tr\u1ecb\u201d \u2013 N\u1ec1n t\u1ea3ng \u0111\u1ec3 ti\u1ebft ki\u1ec7m v\u00e0 an to\u00e0n<\/h2>\n<p data-start=\"2233\" data-end=\"2390\">Trong l\u00e0m v\u01b0\u1eddn, tr\u1ecb b\u1ec7nh l\u00e0 vi\u1ec7c b\u1eaft bu\u1ed9c khi s\u1ef1 c\u1ed1 x\u1ea3y ra, nh\u01b0ng ph\u00f2ng b\u1ec7nh m\u1edbi l\u00e0 ngh\u1ec7 thu\u1eadt s\u1ed1ng c\u00f2n. Kh\u00f4ng ai c\u00f3 th\u1ec3 ti\u1ebft ki\u1ec7m b\u1eb1ng ng\u01b0\u1eddi kh\u00f4ng c\u1ea7n ti\u00eau.<\/p>\n<p data-start=\"2392\" data-end=\"2422\"><strong data-start=\"2392\" data-end=\"2422\">2.1. Ch\u1ecdn gi\u1ed1ng kh\u00e1ng b\u1ec7nh<\/strong><\/p>\n<p data-start=\"2424\" data-end=\"2648\">Kh\u00f4ng ai c\u00f3 th\u1ec3 ch\u1ed1ng l\u1ea1i thi\u00ean nhi\u00ean, nh\u01b0ng c\u00f3 th\u1ec3 ch\u1ecdn gi\u1ed1ng ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi ho\u00e0n c\u1ea3nh. Ch\u1ecdn c\u00e1c gi\u1ed1ng rau, c\u00e2y tr\u1ed3ng c\u00f3 s\u1ee9c \u0111\u1ec1 kh\u00e1ng t\u1ed1t v\u1edbi n\u1ea5m, vi khu\u1ea9n v\u00e0 c\u00f4n tr\u00f9ng m\u00f9a m\u01b0a l\u00e0 m\u1ed9t c\u00e1ch ti\u1ebft ki\u1ec7m kh\u00f4n ngoan ngay t\u1eeb \u0111\u1ea7u.<\/p>\n<p data-start=\"2650\" data-end=\"2688\"><strong data-start=\"2650\" data-end=\"2688\">2.2. L\u00ean lu\u1ed1ng cao, tho\u00e1t n\u01b0\u1edbc t\u1ed1t<\/strong><\/p>\n<p data-start=\"2690\" data-end=\"2887\">M\u00f9a m\u01b0a kh\u00f4ng ch\u1edd ta chu\u1ea9n b\u1ecb xong m\u1edbi \u0111\u1ebfn. H\u00e3y lu\u00f4n canh t\u00e1c tr\u00ean lu\u1ed1ng cao 20\u201330cm, c\u00f3 r\u00e3nh tho\u00e1t n\u01b0\u1edbc xung quanh. N\u01b0\u1edbc m\u01b0a \u0111\u1ecdng l\u1ea1i trong \u0111\u1ea5t l\u00e0 con \u0111\u01b0\u1eddng nhanh nh\u1ea5t d\u1eabn \u0111\u1ebfn th\u1ed1i g\u1ed1c v\u00e0 b\u1ec7nh r\u1ec5.<\/p>\n<p data-start=\"2889\" data-end=\"2917\"><strong data-start=\"2889\" data-end=\"2917\">2.3. Kh\u00f4ng tr\u1ed3ng qu\u00e1 d\u00e0y<\/strong><\/p>\n<p data-start=\"2919\" data-end=\"3141\">\u0110\u1eebng v\u00ec mu\u1ed1n &#8220;c\u00f3 nhi\u1ec1u rau h\u01a1n&#8221; m\u00e0 l\u00e0m v\u01b0\u1eddn tr\u1edf th\u00e0nh r\u1eebng r\u1eadm. Tr\u1ed3ng d\u00e0y l\u00e0m cho c\u00e2y thi\u1ebfu \u00e1nh s\u00e1ng, th\u00f4ng gi\u00f3 k\u00e9m, l\u00e0 \u0111i\u1ec1u ki\u1ec7n l\u00fd t\u01b0\u1edfng cho n\u1ea5m b\u1ec7nh v\u00e0 c\u00f4n tr\u00f9ng. Kho\u1ea3ng c\u00e1ch \u0111\u00fang l\u00e0 kho\u1ea3ng c\u00e1ch cho c\u00e2y th\u1edf v\u00e0 v\u01b0\u01a1n l\u00ean.<\/p>\n<p data-start=\"3143\" data-end=\"3172\"><strong data-start=\"3143\" data-end=\"3172\">2.4. T\u01b0\u1edbi n\u01b0\u1edbc th\u00f4ng minh<\/strong><\/p>\n<p data-start=\"3174\" data-end=\"3332\">V\u00e0o m\u00f9a m\u01b0a, c\u1ea7n h\u1ea1n ch\u1ebf t\u01b0\u1edbi, nh\u1ea5t l\u00e0 t\u01b0\u1edbi v\u00e0o chi\u1ec1u t\u1ed1i. N\u1ebfu c\u1ea7n t\u01b0\u1edbi, h\u00e3y t\u01b0\u1edbi v\u00e0o s\u00e1ng s\u1edbm, d\u00f9ng ph\u01b0\u01a1ng ph\u00e1p nh\u1ecf gi\u1ecdt ho\u1eb7c t\u01b0\u1edbi g\u1ed1c \u0111\u1ec3 h\u1ea1n ch\u1ebf l\u00e0m \u01b0\u1edbt l\u00e1.<\/p>\n<p data-start=\"3334\" data-end=\"3369\"><strong data-start=\"3334\" data-end=\"3369\">2.5. L\u00e0m gi\u00e0n, m\u00e1i che \u0111\u01a1n gi\u1ea3n<\/strong><\/p>\n<p data-start=\"3371\" data-end=\"3523\">M\u1ed9t m\u00e1i che nilon m\u1ecfng ho\u1eb7c m\u1ed9t gi\u00e0n leo \u0111\u01a1n gi\u1ea3n c\u0169ng c\u00f3 th\u1ec3 t\u1ea1o ra kh\u00e1c bi\u1ec7t l\u1edbn. N\u00f3 gi\u00fap \u0111i\u1ec1u ti\u1ebft l\u01b0\u1ee3ng m\u01b0a, che n\u1eafng sau m\u01b0a v\u00e0 gi\u1ea3m \u0111\u1ed9 \u1ea9m cho c\u00e2y.<\/p>\n<h2 data-start=\"3530\" data-end=\"3590\">Ph\u1ea7n 3: Bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u1eeb s\u00e2u b\u1ec7nh an to\u00e0n v\u00e0 t\u1ef1 nhi\u00ean<\/h2>\n<p data-start=\"3592\" data-end=\"3738\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m nghi\u1ec7m, \u0111\u01a1n gi\u1ea3n nh\u01b0ng hi\u1ec7u qu\u1ea3, kh\u00f4ng ch\u1ec9 gi\u00fap ti\u1ebft ki\u1ec7m chi ph\u00ed m\u00e0 c\u00f2n b\u1ea3o v\u1ec7 s\u1ee9c kh\u1ecfe v\u00e0 m\u00f4i tr\u01b0\u1eddng.<\/p>\n<p data-start=\"3740\" data-end=\"3779\"><strong data-start=\"3740\" data-end=\"3779\">3.1. S\u1eed d\u1ee5ng d\u1ecbch chi\u1ebft t\u1eeb th\u1ea3o m\u1ed9c<\/strong><\/p>\n<p data-start=\"3783\" data-end=\"3903\"><strong data-start=\"3783\" data-end=\"3803\">T\u1ecfi + \u1edat + G\u1eebng:<\/strong> H\u1ed7n h\u1ee3p xay nhuy\u1ec5n ng\u00e2m r\u01b0\u1ee3u ho\u1eb7c n\u01b0\u1edbc trong 3\u20135 ng\u00e0y, sau \u0111\u00f3 pha lo\u00e3ng \u0111\u1ec3 phun xua \u0111u\u1ed5i c\u00f4n tr\u00f9ng.<\/p>\n<p data-start=\"3906\" data-end=\"3988\"><strong data-start=\"3906\" data-end=\"3928\">Ngh\u1ec7 + R\u01b0\u1ee3u tr\u1eafng:<\/strong> Di\u1ec7t n\u1ea5m, kh\u00e1ng khu\u1ea9n m\u1ea1nh, c\u00f3 th\u1ec3 phun \u0111\u1ecbnh k\u1ef3 7 ng\u00e0y\/l\u1ea7n.<\/p>\n<p data-start=\"3991\" data-end=\"4097\"><strong data-start=\"3991\" data-end=\"4019\">L\u00e1 xoan, neem (s\u1ea7u \u0111\u00e2u):<\/strong> C\u00f3 ch\u1ea5t azadirachtin gi\u00fap \u1ee9c ch\u1ebf ph\u00e1t tri\u1ec3n c\u1ee7a s\u00e2u non v\u00e0 c\u00f4n tr\u00f9ng g\u00e2y h\u1ea1i.<\/p>\n<p data-start=\"4099\" data-end=\"4130\"><strong data-start=\"4099\" data-end=\"4130\">3.2. D\u00f9ng ch\u1ebf ph\u1ea9m sinh h\u1ecdc<\/strong><\/p>\n<p data-start=\"4134\" data-end=\"4256\"><strong data-start=\"4134\" data-end=\"4150\">Trichoderma:<\/strong> L\u00e0 n\u1ea5m \u0111\u1ed1i kh\u00e1ng gi\u00fap ng\u0103n ch\u1eb7n n\u1ea5m h\u1ea1i r\u1ec5. C\u00f3 th\u1ec3 tr\u1ed9n v\u1edbi ph\u00e2n chu\u1ed3ng \u1ee7 ho\u1eb7c r\u1ea3i tr\u1ef1c ti\u1ebfp v\u00e0o g\u1ed1c c\u00e2y.<\/p>\n<p data-start=\"4259\" data-end=\"4357\"><strong data-start=\"4259\" data-end=\"4293\">EM (Effective Microorganisms):<\/strong> H\u1ed7 tr\u1ee3 t\u0103ng vi sinh v\u1eadt c\u00f3 l\u1ee3i, \u1ee9c ch\u1ebf n\u1ea5m b\u1ec7nh v\u00e0 c\u1ea3i t\u1ea1o \u0111\u1ea5t.<\/p>\n<p data-start=\"4359\" data-end=\"4383\"><strong data-start=\"4359\" data-end=\"4383\">3.3. Nu\u00f4i thi\u00ean \u0111\u1ecbch<\/strong><\/p>\n<p data-start=\"4385\" data-end=\"4567\">Kh\u00f4ng ph\u1ea3i lo\u00e0i c\u00f4n tr\u00f9ng n\u00e0o c\u0169ng l\u00e0 \u0111\u1ecbch. Chu\u1ed3n chu\u1ed3n, ki\u1ebfn v\u00e0ng, nh\u1ec7n b\u1eaft m\u1ed3i, b\u1ecd r\u00f9a l\u00e0 nh\u1eefng chi\u1ebfn binh th\u1ea7m l\u1eb7ng. H\u1ea1n ch\u1ebf phun thu\u1ed1c b\u1eeba b\u00e3i \u0111\u1ec3 gi\u1eef l\u1ea1i qu\u00e2n \u0111\u1ed9i n\u00e0y trong v\u01b0\u1eddn.<\/p>\n<p data-start=\"4569\" data-end=\"4608\"><strong data-start=\"4569\" data-end=\"4608\">3.4. Lu\u00e2n canh, xen canh th\u00f4ng minh<\/strong><\/p>\n<p data-start=\"4610\" data-end=\"4777\">Lu\u00e2n canh gi\u00fap ng\u1eaft m\u1ea1ch s\u1ed1ng c\u1ee7a s\u00e2u b\u1ec7nh. V\u00ed d\u1ee5, sau v\u1ee5 c\u1ea3i ng\u1ecdt th\u00ec tr\u1ed3ng c\u00e0 chua ho\u1eb7c h\u00e0nh. Xen canh h\u00e0nh, t\u1ecfi ho\u1eb7c c\u00fac v\u1ea1n th\u1ecd s\u1ebd gi\u00fap xua \u0111u\u1ed5i s\u00e2u b\u1ec7nh t\u1ef1 nhi\u00ean.<\/p>\n<p data-start=\"4779\" data-end=\"4811\"><strong data-start=\"4779\" data-end=\"4811\">3.5. Thu gom t\u00e0n d\u01b0 c\u00e2y b\u1ec7nh<\/strong><\/p>\n<p data-start=\"4813\" data-end=\"4942\">M\u1ed9t chi\u1ebfc l\u00e1 v\u00e0ng \u00faa c\u0169ng c\u00f3 th\u1ec3 l\u00e0 \u1ed5 n\u1ea5m. Lu\u00f4n thu gom v\u00e0 ti\u00eau h\u1ee7y t\u00e0n d\u01b0 b\u1ec7nh h\u1ea1i, kh\u00f4ng n\u00ean \u0111\u1ec3 ch\u00fang ph\u00e2n h\u1ee7y ngay trong v\u01b0\u1eddn.<\/p>\n<h2 data-start=\"4949\" data-end=\"5022\">Ph\u1ea7n 4: Khi bu\u1ed9c ph\u1ea3i \u201ctr\u1ecb\u201d \u2013 L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c s\u1ef1 an to\u00e0n?<\/h2>\n<p data-start=\"5024\" data-end=\"5173\">D\u00f9 \u0111\u00e3 ph\u00f2ng t\u1ed1t, v\u1eabn c\u00f3 khi ch\u00fang ta ph\u1ea3i can thi\u1ec7p \u0111\u1ec3 c\u1ee9u v\u01b0\u1eddn rau. Khi \u1ea5y, \u0111\u1eebng \u0111\u1ec3 m\u00ecnh cu\u1ed1ng cu\u1ed3ng v\u00e0 v\u1ed9i v\u00e3. H\u00e3y t\u1ec9nh t\u00e1o v\u00e0 l\u1ef1a ch\u1ecdn th\u00f4ng minh.<\/p>\n<p data-start=\"5175\" data-end=\"5206\"><strong data-start=\"5175\" data-end=\"5206\">4.1. \u01afu ti\u00ean thu\u1ed1c sinh h\u1ecdc<\/strong><\/p>\n<p data-start=\"5210\" data-end=\"5352\">C\u00e1c lo\u1ea1i thu\u1ed1c tr\u1eeb s\u00e2u sinh h\u1ecdc t\u1eeb Bacillus thuringiensis (Bt), n\u1ea5m xanh, n\u1ea5m tr\u1eafng&#8230; \u00edt g\u00e2y h\u1ea1i cho m\u00f4i tr\u01b0\u1eddng v\u00e0 an to\u00e0n cho ng\u01b0\u1eddi s\u1eed d\u1ee5ng.<\/p>\n<p data-start=\"5355\" data-end=\"5453\">Lu\u00f4n \u0111\u1ecdc k\u1ef9 h\u01b0\u1edbng d\u1eabn, phun \u0111\u00fang l\u00fac (s\u00e1ng s\u1edbm ho\u1eb7c chi\u1ec1u m\u00e1t), v\u00e0 ch\u1ec9 phun khi th\u1eadt s\u1ef1 c\u1ea7n thi\u1ebft.<\/p>\n<p data-start=\"5455\" data-end=\"5502\"><strong data-start=\"5455\" data-end=\"5502\">4.2. Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng l\u1ea1m d\u1ee5ng thu\u1ed1c h\u00f3a h\u1ecdc<\/strong><\/p>\n<p data-start=\"5504\" data-end=\"5668\">M\u1ed9t v\u00e0i ng\u01b0\u1eddi c\u00f3 th\u1ec3 ngh\u0129 &#8220;phun m\u1ed9t l\u1ea7n cho xong&#8221;, nh\u01b0ng c\u00e1i gi\u00e1 ph\u1ea3i tr\u1ea3 l\u00e0 ch\u1ea5t l\u01b0\u1ee3ng rau gi\u1ea3m, \u0111\u1ea5t b\u1ecb chai, thi\u00ean \u0111\u1ecbch bi\u1ebfn m\u1ea5t. \u0110\u00f3 l\u00e0 con \u0111\u01b0\u1eddng kh\u00f4ng l\u1ed1i tho\u00e1t.<\/p>\n<p data-start=\"5670\" data-end=\"5699\"><strong data-start=\"5670\" data-end=\"5699\">4.3. Ghi ch\u00e9p v\u00e0 theo d\u00f5i<\/strong><\/p>\n<p data-start=\"5701\" data-end=\"5871\">Ng\u01b0\u1eddi l\u00e0m v\u01b0\u1eddn gi\u1ecfi l\u00e0 ng\u01b0\u1eddi quan s\u00e1t t\u1ed1t. Ghi ch\u00e9p hi\u1ec7n t\u01b0\u1ee3ng l\u1ea1, th\u1eddi \u0111i\u1ec3m b\u1ec7nh xu\u1ea5t hi\u1ec7n, v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a t\u1eebng bi\u1ec7n ph\u00e1p s\u1ebd gi\u00fap b\u1ea1n r\u00fat ra b\u00e0i h\u1ecdc qu\u00fd b\u00e1u cho v\u1ee5 sau.<\/p>\n<h2 data-start=\"5878\" data-end=\"5917\">Ph\u1ea7n 5: Tr\u00e1i tim c\u1ee7a ng\u01b0\u1eddi l\u00e0m v\u01b0\u1eddn<\/h2>\n<p data-start=\"5919\" data-end=\"6003\">C\u00f3 ng\u01b0\u1eddi t\u1eebng h\u1ecfi t\u00f4i: &#8220;Sao kh\u00f4ng \u0111\u1ec3 t\u1ef1 nhi\u00ean quy\u1ebft \u0111\u1ecbnh, tr\u1ed3ng rau l\u00e0m g\u00ec c\u1ef1c v\u1eady?&#8221;<\/p>\n<p data-start=\"6005\" data-end=\"6234\">T\u00f4i ch\u1ec9 c\u01b0\u1eddi. Kh\u00f4ng ph\u1ea3i ai c\u0169ng hi\u1ec3u \u0111\u01b0\u1ee3c ni\u1ec1m vui khi th\u1ea5y m\u1ed9t h\u1ea1t gi\u1ed1ng nh\u1ecf b\u00e9 tr\u1edf th\u00e0nh r\u1ed5 rau xanh m\u01b0\u1edbt. Kh\u00f4ng ai t\u00ednh \u0111\u01b0\u1ee3c c\u1ea3m x\u00fac khi c\u1ea3 gia \u0111\u00ecnh \u0103n b\u1eefa c\u01a1m v\u1edbi rau do ch\u00ednh tay m\u00ecnh tr\u1ed3ng \u2013 kh\u00f4ng h\u00f3a ch\u1ea5t, kh\u00f4ng nghi ng\u1edd.<\/p>\n<p data-start=\"6236\" data-end=\"6378\">M\u1ed7i m\u00f9a m\u01b0a \u0111\u1ebfn l\u00e0 m\u1ed9t l\u1ea7n th\u1eed th\u00e1ch. Nh\u01b0ng c\u0169ng ch\u00ednh m\u00f9a m\u01b0a d\u1ea1y ch\u00fang ta c\u00e1ch nh\u1eabn n\u1ea1i, c\u00e1ch quan s\u00e1t, v\u00e0 c\u00e1ch y\u00eau th\u01b0\u01a1ng t\u1eebng g\u1ed1c c\u00e2y nh\u1ecf.<\/p>\n<p data-start=\"6380\" data-end=\"6606\">Khi b\u1ea1n ch\u1ecdn c\u00e1ch ph\u00f2ng tr\u1eeb s\u00e2u b\u1ec7nh m\u1ed9t c\u00e1ch t\u1ef1 nhi\u00ean, b\u1ea1n kh\u00f4ng ch\u1ec9 \u0111ang b\u1ea3o v\u1ec7 v\u01b0\u1eddn rau. B\u1ea1n \u0111ang g\u00f3p m\u1ed9t ph\u1ea7n v\u00e0o vi\u1ec7c g\u00ecn gi\u1eef m\u1ea3nh \u0111\u1ea5t m\u00ecnh s\u1ed1ng, b\u1ea3o v\u1ec7 s\u1ee9c kh\u1ecfe gia \u0111\u00ecnh, v\u00e0 trao cho th\u1ebf h\u1ec7 sau m\u1ed9t m\u1ea3nh v\u01b0\u1eddn \u0111\u00e1ng t\u1ef1 h\u00e0o.<\/p>\n<h2 data-start=\"6613\" data-end=\"6667\">K\u1ebft lu\u1eadn: L\u00e0m v\u01b0\u1eddn kh\u00f4ng ph\u1ea3i \u0111\u1ec3 th\u1eafng, m\u00e0 \u0111\u1ec3 hi\u1ec3u<\/h2>\n<p data-start=\"6669\" data-end=\"6842\">Ph\u00f2ng tr\u1eeb s\u00e2u b\u1ec7nh m\u00f9a m\u01b0a m\u1ed9t c\u00e1ch an to\u00e0n v\u00e0 ti\u1ebft ki\u1ec7m kh\u00f4ng ch\u1ec9 l\u00e0 chuy\u1ec7n k\u1ef9 thu\u1eadt. \u0110\u00f3 l\u00e0 ngh\u1ec7 thu\u1eadt s\u1ed1ng h\u00e0i h\u00f2a v\u1edbi thi\u00ean nhi\u00ean, l\u00e0 b\u00e0i h\u1ecdc v\u1ec1 s\u1ef1 t\u1ec9nh t\u00e1o v\u00e0 ki\u00ean \u0111\u1ecbnh.<\/p>\n<p data-start=\"6844\" data-end=\"7098\">N\u1ebfu b\u1ea1n \u0111ang ch\u1eadt v\u1eadt v\u1edbi m\u00f9a m\u01b0a, \u0111\u1eebng n\u1ea3n. M\u1ed7i l\u1ed7i l\u1ea7m l\u00e0 m\u1ed9t b\u00e0i h\u1ecdc. M\u1ed7i chi\u1ebfc l\u00e1 b\u1ecb s\u00e2u c\u1eafn c\u0169ng c\u00f3 th\u1ec3 d\u1ea1y ta \u0111i\u1ec1u g\u00ec \u0111\u00f3. Quan tr\u1ecdng l\u00e0 b\u1ea1n lu\u00f4n gi\u1eef \u0111\u01b0\u1ee3c tr\u00e1i tim y\u00eau \u0111\u1ea5t, y\u00eau c\u00e2y, v\u00e0 tin r\u1eb1ng \u2013 v\u1edbi t\u1eebng b\u01b0\u1edbc nh\u1ecf, b\u1ea1n \u0111ang t\u1ea1o n\u00ean m\u1ed9t \u0111i\u1ec1u l\u1edbn lao.<\/p>\n<p data-start=\"7100\" data-end=\"7167\">Ch\u00fac b\u1ea1n m\u1ed9t m\u00f9a m\u01b0a b\u00ecnh an \u2013 cho rau, cho \u0111\u1ea5t, v\u00e0 cho ch\u00ednh m\u00ecnh.<\/p>","protected":false},"excerpt":{"rendered":"<p>M\u1ed7i n\u0103m, khi nh\u1eefng c\u01a1n m\u01b0a \u0111\u1ea7u m\u00f9a b\u1eaft \u0111\u1ea7u r\u01a1i, ng\u01b0\u1eddi l\u00e0m v\u01b0\u1eddn nh\u01b0 ch\u00fang ta l\u1ea1i c\u1ea3m nh\u1eadn \u0111\u01b0\u1ee3c m\u1ed9t lu\u1ed3ng sinh kh\u00ed m\u1edbi len l\u1ecfi trong t\u1eebng lu\u1ed1ng rau, t\u1eebng g\u1ed1c c\u00e2y. M\u01b0a gi\u00fap \u0111\u1ea5t m\u1ec1m h\u01a1n, c\u00e2y c\u1ed1i t\u01b0\u01a1i t\u1ed1t, s\u1ef1 s\u1ed1ng nh\u01b0 \u0111\u01b0\u1ee3c t\u00e1i sinh. Nh\u01b0ng \u0111i k\u00e8m v\u1edbi nh\u1eefng&#8230;<\/p>","protected":false},"author":4,"featured_media":1814,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-739","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/kientuong.htxnongnghiepxanh.org\/en\/wp-json\/wp\/v2\/posts\/739","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kientuong.htxnongnghiepxanh.org\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kientuong.htxnongnghiepxanh.org\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kientuong.htxnongnghiepxanh.org\/en\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/kientuong.htxnongnghiepxanh.org\/en\/wp-json\/wp\/v2\/comments?post=739"}],"version-history":[{"count":3,"href":"https:\/\/kientuong.htxnongnghiepxanh.org\/en\/wp-json\/wp\/v2\/posts\/739\/revisions"}],"predecessor-version":[{"id":1798,"href":"https:\/\/kientuong.htxnongnghiepxanh.org\/en\/wp-json\/wp\/v2\/posts\/739\/revisions\/1798"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kientuong.htxnongnghiepxanh.org\/en\/wp-json\/wp\/v2\/media\/1814"}],"wp:attachment":[{"href":"https:\/\/kientuong.htxnongnghiepxanh.org\/en\/wp-json\/wp\/v2\/media?parent=739"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kientuong.htxnongnghiepxanh.org\/en\/wp-json\/wp\/v2\/categories?post=739"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kientuong.htxnongnghiepxanh.org\/en\/wp-json\/wp\/v2\/tags?post=739"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}