{"id":606,"date":"2020-06-16T08:29:03","date_gmt":"2020-06-16T01:29:03","guid":{"rendered":"http:\/\/vietbacfood.vn\/?p=606"},"modified":"2020-06-29T15:42:31","modified_gmt":"2020-06-29T08:42:31","slug":"ky-thuat-trong-ot-huong-dan-day-du-chi-tiet","status":"publish","type":"post","link":"http:\/\/vietbacfood.vn\/en\/ky-thuat-trong-ot-huong-dan-day-du-chi-tiet\/","title":{"rendered":"K\u1ef9 thu\u1eadt tr\u1ed3ng \u1edbt – h\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7 chi ti\u1ebft"},"content":{"rendered":"
    \n
  1. Th\u1eddi v\u1ee5 tr\u1ed3ng \u1edbt. <\/span><\/b>K\u1ef9 thu\u1eadt tr\u1ed3ng \u1edbt: <\/span><\/b><\/li>\n<\/ol>\n

    – \u1edat c\u00f3 th\u1ec3 tr\u1ed3ng quanh n\u0103m \u1edf nh\u1eefng n\u01a1i c\u00f3 \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i;\u00a0<\/span><\/p>\n

    – \u1edat th\u00edch h\u1ee3p nhi\u1ec7t \u0111\u1ed9 cao t\u1eeb 25-30<\/span>o<\/span>C.<\/span><\/p>\n

    – \u1edat c\u00f3 th\u1ec3 \u00a0tr\u1ed3ng \u0111\u01b0\u1ee3c quanh n\u0103m nh\u01b0ng th\u01b0\u1eddng t\u1eadp trung v\u00e0o 3 v\u1ee5 ch\u00ednh:<\/span><\/p>\n

    – \u1edat Thu \u0110\u00f4ng: Gieo v\u00e0o th\u00e1ng 9 thu ho\u1ea1ch t\u1eeb th\u00e1ng 1 \u0111\u1ebfn th\u00e1ng 3 n\u0103m sau.<\/span><\/p>\n

    – \u1edat \u0110\u00f4ng Xu\u00e2n: Gieo v\u00e0o th\u00e1ng 11- 12 thu ho\u1ea1ch t\u1eeb th\u00e1ng 2 \u0111\u1ebfn th\u00e1ng 6 n\u0103m sau.<\/span><\/p>\n

    – \u1edat Xu\u00e2n H\u00e8: Gieo v\u00e0o th\u00e1ng 2-3 thu ho\u1ea1ch t\u1eeb th\u00e1ng 4 \u0111\u1ebfn th\u00e1ng 8 th\u00e1ng 9.<\/span><\/p>\n

      \n
    1. Chu\u1ea9n b\u1ecb \u0111\u1ea5t tr\u1ed3ng<\/span><\/b><\/li>\n<\/ol>\n

      Ch\u1ecdn \u0111\u1ea5t \u0111\u1ec3 tr\u1ed3ng \u1edbt:<\/i><\/b><\/p>\n

      + \u0110\u1ea5t tho\u00e1t n\u01b0\u1edbc t\u1ed1t, c\u00f3 c\u01a1 c\u1ea5u tho\u00e1ng x\u1ed1p nh\u01b0: \u0110\u1ea5t c\u00e1t pha, \u0111\u1ea5t th\u1ecbt pha s\u00e9t, \u0111\u1ea5t ph\u00f9 sa ven s\u00f4ng v\u00e0 \u0111\u1ea5t canh t\u00e1c l\u00faa.<\/span><\/p>\n

      + \u0110\u1ea5t kh\u00f4ng ho\u1eb7c \u00edt nhi\u1ec5m ph\u00e8n m\u1eb7n, c\u00f3 h\u00e0m l\u01b0\u1ee3ng dinh d\u01b0\u1ee1ng kh\u00e1, pH \u0111\u1ea5t = 5,5-6,5.<\/span><\/p>\n

      + C\u00f3 ngu\u1ed3n n\u01b0\u1edbc t\u01b0\u1edbi t\u1ed1t v\u00e0 giao th\u00f4ng v\u1eadn chuy\u1ec3n s\u1ea3n ph\u1ea9m thu\u1eadn ti\u1ec7n.<\/span><\/p>\n

      \u0110\u1ea5t chu\u1ea9n b\u1ecb tr\u1ed3ng ph\u1ea3i \u0111\u01b0\u1ee3c lu\u00e2n canh l\u00faa, b\u1eafp, \u0111\u1eadu\u2026 t\u1ed1i thi\u1ec3u 3 n\u0103m, v\u1ee5 tr\u01b0\u1edbc kh\u00f4ng tr\u1ed3ng c\u00e2y thu\u1ed9c h\u1ecd c\u00e0 nh\u01b0: \u1edbt, c\u00e0 chua, c\u00e0 t\u00edm,\u2026 \u0111\u1ec3 ph\u00f2ng n\u1ea5m b\u1ec7nh trong \u0111\u1ea5t truy\u1ec1n cho \u1edbt.\u00a0<\/span>K\u1ef8 THU\u1eacT TR\u1ed2NG \u1edaT. <\/span><\/b>\u0110\u1ea5t ph\u1ea3i \u0111\u01b0\u1ee3c c\u00e0y b\u1eeba t\u01a1i x\u1ed1p, s\u1ea1ch c\u1ecf v\u00e0 tho\u00e1t n\u01b0\u1edbc t\u1ed1t. M\u00f9a m\u01b0a c\u1ea7n ph\u1ea3i l\u00ean l\u00edp cao k\u00edch th\u01b0\u1edbc trung b\u00ecnh: m\u1eb7t li\u1ebfp r\u1ed9ng 1m, chi\u1ec1u cao 20 \u2013 30cm v\u00e0 m\u01b0\u01a1ng tho\u00e1t r\u1ed9ng 40 cm. N\u00ean s\u1eed d\u1ee5ng m\u00e0ng ph\u1ee7 n\u00f4ng nghi\u1ec7p (Plastic) \u0111\u1ec3 tr\u1ed3ng \u1edbt r\u1ea5t t\u1ed1t. D\u00f9ng m\u00e0ng ph\u1ee7 n\u00f4ng nghi\u1ec7p chi\u1ec1u ngang 1,2m tr\u1ed3ng h\u00e0ng \u0111\u00f4i, c\u00e1ch l\u00e0m \u0111\u1ea5t, b\u00f3n l\u00f3t, tr\u1ea3i m\u00e0ng ph\u1ee7 gi\u1ed1ng nh\u01b0 tr\u1ea3i tr\u1ed3ng d\u01b0a h\u1ea5u.<\/span><\/p>\n

      K\u1ef9 thu\u1eadt l\u00e0m \u0111\u1ea5t<\/i><\/b><\/p>\n

      + L\u00e0m \u0111\u1ea5t k\u1ef9, c\u00e0y x\u1edbi s\u00e2u 20- 25cm, ph\u01a1i \u1ea3i 10-15 ng\u00e0y, l\u00ean lu\u1ed1ng cao 20cm, r\u1ed9ng 1m.(c\u00f3 th\u1ec3 cao ho\u1eb7c r\u1ed9ng h\u01a1n tu\u1ef3 theo v\u00f9ng \u0111\u1ea5t)<\/span><\/p>\n

        \n
      1. Gieo h\u1ea1t<\/span><\/b><\/li>\n<\/ol>\n

        \u00a0 \u00a0 \u00a0\u00a0<\/span>Ng\u00e2m \u1ee7 h\u1ea1t gi\u1ed1ng: <\/span><\/i>K\u1ef8 THU\u1eacT TR\u1ed2NG \u1edaT:<\/span><\/b><\/p>\n

        L\u01b0\u1ee3ng h\u1ea1t gi\u1ed1ng c\u1ea7n cho 1 ha t\u00f9y thu\u1ed9c v\u00e0o gi\u1ed1ng v\u00e0 t\u1ef7 l\u1ec7 n\u1ea3y m\u1ea7m, trung b\u00ecnh kho\u1ea3ng 150 \u2013 200g\/ha.<\/span><\/p>\n

        Ng\u00e2m h\u1ea1t gi\u1ed1ng trong n\u01b0\u1edbc s\u1ea1ch kh\u00f4ng b\u1ecb ph\u00e8n m\u1eb7n t\u1eeb 6 \u2013 8 gi\u1edd, sau \u0111\u00f3 ng\u00e2m \u01b0\u1edbt v\u1edbi thu\u1ed1c tr\u1eeb n\u1ea5m Funomyl (1g thu\u1ed1c pha v\u1edbi 1 l\u00edt n\u01b0\u1edbc) trong 30 ph\u00fat, v\u1edbt l\u00ean r\u1eeda s\u1ea1ch \u0111\u1ec3 r\u00e1o n\u01b0\u1edbc, l\u1ea5y kh\u0103n \u1ea9m g\u00f3i h\u1ea1t l\u1ea1i v\u00e0 cho v\u00e0o bao nylon c\u1ed9t k\u00edn mi\u1ec7ng \u0111\u1ec3 h\u1ea1n ch\u1ebf b\u1ed1c tho\u00e1t h\u01a1i n\u01b0\u1edbc. Sau c\u00f9ng \u0111em g\u00f3i gi\u1ed1ng \u1ee7 \u1edf nhi\u1ec7t \u0111\u1ed9 t\u1eeb 27 \u2013 28<\/span>0<\/span>C. H\u1ea7u h\u1ebft c\u00e1c gi\u1ed1ng \u1edbt b\u1eaft \u0111\u1ea7u n\u1ea3y m\u1ea7m t\u1eeb 48 gi\u1edd sau. \u0110em gieo nh\u1eefng h\u1ea1t \u0111\u00e3 n\u1ee9t m\u1ea7m, \u0111\u1eebng \u0111\u1ec3 h\u1ea1t ra r\u1ec5 qu\u00e1 d\u00e0i, c\u00e2y m\u1ea7m s\u1ebd l\u00ean y\u1ebfu v\u00e0 khi gieo d\u1ec5 b\u1ecb g\u00e3y m\u1ea7m.<\/span><\/p>\n

        Chu\u1ea9n b\u1ecb gieo h\u1ea1t<\/span><\/i><\/p>\n

        N\u00ean gieo h\u1ea1t v\u00e0o b\u1ea7u \u0111\u1ea5t, b\u1ea7u th\u01b0\u1eddng l\u00e0m b\u1eb1ng nylon hay l\u00e1 chu\u1ed1i. Th\u00e0nh ph\u1ea7n \u0111\u1ea5t trong b\u1ea7u th\u00f4ng th\u01b0\u1eddng c\u00f3 t\u1ef7 l\u1ec7 nh\u01b0 sau:<\/span><\/p>\n

        – \u0110\u1ea5t m\u1eb7t t\u01a1i x\u1ed1p: \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a060%<\/span><\/p>\n

        – Ph\u00e2n chu\u1ed3ng hoai m\u1ee5c: \u00a0 \u00a029%<\/span><\/p>\n

        – Tro tr\u1ea5u: \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a010%<\/span><\/p>\n

        – Ph\u00e2n l\u00e2n: \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a00,5 \u2013 1%<\/span><\/p>\n

        – V\u00f4i: \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a00,2 \u2013 0,3%<\/span><\/p>\n

        Tr\u1ed9n \u0111\u1ec1u c\u00e1c th\u00e0nh ph\u1ea7n tr\u00ean v\u00e0 s\u00e0ng k\u1ef9 \u0111\u1ec3 lo\u1ea1i b\u1ecf r\u00e1c v\u00e0 c\u1ee5c \u0111\u1ea5t to tr\u01b0\u1edbc khi cho v\u00e0o b\u1ea7u.<\/span><\/p>\n

        Sau khi gieo h\u1ea1t v\u00e0o b\u1ea7u, r\u1ea3i m\u1ed9t l\u1edbp m\u1ecfng ph\u00e2n chu\u1ed3ng hoai s\u00e0ng k\u1ef9 \u0111\u1ec3 l\u1ea5p k\u00edn h\u1ea1t, r\u1ea3i m\u1ed9t l\u01b0\u1ee3t thu\u1ed1c Basudin h\u1ea1t \u0111\u1ec1 ph\u00f2ng ki\u1ebfn v\u00e0 d\u1ebf, s\u00e2u \u0111\u1ea5t ph\u00e1 h\u1ea1i. T\u01b0\u1edbi \u0111\u1eabm n\u01b0\u1edbc, gi\u1eef \u1ea9m \u0111\u1ec3 h\u1ea1t d\u1ec5 n\u1ea3y m\u1ea7m. Ch\u0103m s\u00f3c c\u00e2y con ph\u1ea3i ph\u00f2ng tr\u1eeb s\u00e2u b\u1ec7nh t\u1ed1t, n\u1ebfu c\u00e2y thi\u1ebfu ph\u00e2n c\u00f3 th\u1ec3 t\u01b0\u1edbi NPK, DAP v\u00e0 Ur\u00ea ho\u1eb7c ph\u00e2n vi sinh ra r\u1ec5 B\u1ea3o \u0110\u1eafc.<\/span><\/p>\n

        Khi c\u00e2y c\u00f3 t\u1eeb 4-5 l\u00e1 th\u1eadt (25-35 ng\u00e0y sau gieo),\u00a0<\/span>ch\u1ecdn nh\u1eefng c\u00e2y ph\u00e1t tri\u1ec3n t\u1ed1t, kh\u00f4ng b\u1ecb nhi\u1ec5m s\u00e2u b\u1ec7nh, c\u00f3 th\u1ec3 ti\u1ebfn h\u00e0nh \u0111em ra tr\u1ed3ng. M\u1eadt \u0111\u1ed9 kho\u1ea3ng c\u00e1ch tr\u1ed3ng t\u00f9y thu\u1ed9c v\u00e0o gi\u1ed1ng, \u0111\u1ea5t \u0111ai v\u00e0 kh\u00ed h\u1eadu, m\u1eadt \u0111\u1ed9 cao c\u00e2y s\u1ebd c\u00f3 s\u1ef1 c\u1ea1nh tranh \u00e1ng s\u00e1ng, ph\u00e2n b\u00f3n, nhi\u1ec1u s\u00e2u b\u1ec7nh \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn n\u0103ng su\u1ea5t.<\/span>\u00a0<\/span><\/p>\n

        Kho\u1ea3ng c\u00e1ch tr\u1ed3ng \u2013 m\u1eadt \u0111\u1ed9:<\/span><\/p>\n

        +\u00a0V\u00e0o m\u00f9a kh\u00f4: h\u00e0ng \u0111\u00f4i c\u00e1ch h\u00e0ng \u0111\u00f4i 1,2 \u2013 1,4m, h\u00e0ng c\u00e1ch h\u00e0ng c\u1ee7a h\u00e0ng \u0111\u00f4i 0,6 m\u00e9t, c\u00e2y c\u00e1ch c\u00e2y tr\u00ean h\u00e0ng 0,6m. M\u1eadt \u0111\u1ed9 trung b\u00ecnh t\u1eeb 1.700 \u2013 1.900 c\u00e2y\/1.000m<\/span>2<\/span>.<\/span><\/p>\n

        +\u00a0V\u00e0o m\u00f9a m\u01b0a: h\u00e0ng c\u00e1ch h\u00e0ng t\u1eeb 1,2 \u2013 1,4m, c\u00e2y c\u00e1ch c\u00e2y tr\u00ean h\u00e0ng 0,7m. M\u1eadt \u0111\u1ed9 trung b\u00ecnh t\u1eeb 1.400 \u2013 1.500 c\u00e2y\/1.000m<\/span>2<\/span>.<\/span><\/p>\n

          \n
        1. Ch\u0103m s\u00f3c \u1edbt:<\/span><\/b>K\u1ef8 THU\u1eacT TR\u1ed2NG \u1edaT:<\/span><\/b><\/li>\n<\/ol>\n

          T\u01b0\u1edbi n\u01b0\u1edbc:<\/span><\/i>\u00a0M\u00f9a m\u01b0a c\u1ea7n \u0111\u1ea3m b\u1ea3o tho\u00e1t n\u01b0\u1edbc t\u1ed1t, m\u00f9a n\u1eafng ph\u1ea3i t\u01b0\u1edbi n\u01b0\u1edbc \u0111\u1ea7y \u0111\u1ee7. T\u01b0\u1edbi r\u00e3nh (t\u01b0\u1edbi th\u1ea5m) l\u00e0 ph\u01b0\u01a1ng ph\u00e1p t\u1ed1t nh\u1ea5t, ti\u1ebft ki\u1ec7m n\u01b0\u1edbc, kh\u00f4ng v\u0103ng \u0111\u1ea5t l\u00ean l\u00e1, gi\u1eef \u1ea9m l\u00e2u, t\u0103ng hi\u1ec7u qu\u1ea3 s\u1eed d\u1ee5ng ph\u00e2n b\u00f3n. (Ch\u00fa \u00fd: Khi tr\u00ean ru\u1ed9ng c\u00f3 c\u00e2y b\u1ecb b\u1ec7nh do c\u00e1c t\u00e1c nh\u00e2n g\u00e2y b\u1ec7nh \u1edf trong \u0111\u1ea5t th\u00ec h\u1ea1n ch\u1ebf ph\u01b0\u01a1ng ph\u00e1p t\u01b0\u1edbi n\u00e0y m\u00e0 chuy\u1ec3n sang t\u01b0\u1edbi h\u1ed1c ho\u1eb7c t\u01b0\u1edbi phun v\u00e0 gi\u1ea3m t\u1ed5i \u0111a l\u01b0\u1ee3ng n\u01b0\u1edbc t\u01b0\u1edbi).\u00a0Trong th\u1eddi gian c\u00e2y ra hoa v\u00e0 k\u1ebft tr\u00e1i c\u1ea7n cung c\u1ea5p \u0111\u1ee7 n\u01b0\u1edbc \u0111\u1ec3 ng\u0103n ng\u1eeba r\u1ee5ng b\u00f4ng r\u1ee5ng tr\u00e1i. T\u01b0\u1edbi qu\u00e1 \u1ea9m hay \u0111\u1ec3 qu\u00e1 kh\u00f4 h\u1ea1n d\u1ec5 x\u1ea3y ra c\u00e1c tr\u01b0\u1eddng h\u1ee3p sau:<\/span><\/p>\n

          + R\u1ee5ng hoa, r\u1ee5ng tr\u00e1i<\/span><\/p>\n

          + C\u00e2y ph\u00e1t tri\u1ec3n k\u00e9m<\/span><\/p>\n

          + Gi\u1ea3m s\u1ed1 b\u00f4ng, gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng tr\u00e1i, n\u0103ng su\u1ea5t th\u1ea5p<\/span><\/p>\n

          T\u1ec9a nh\u00e1nh:<\/span><\/i>\u00a0T\u1ec9a b\u1ecf c\u00e1c c\u00e0nh, l\u00e1 d\u01b0\u1edbi \u0111i\u1ec3m ph\u00e2n c\u00e0nh \u0111\u1ec3 c\u00e2y \u1edbt ph\u00e2n t\u00e1n r\u1ed9ng v\u00e0 g\u1ed1c \u0111\u01b0\u1ee3c th\u00f4ng tho\u00e1ng,\u00a0h\u1ea1n ch\u1ebf s\u00e2u b\u1ec7nh ph\u00e1t tri\u1ec3n \u2013 cho n\u0103ng su\u1ea5t cao.\u00a0N\u00ean t\u1ec9a c\u00e0nh l\u00fac n\u1eafng r\u00e1o.\u00a0<\/span><\/p>\n

          L\u00e0m gi\u00e0n:\u00a0<\/span><\/i>Gi\u00e0n \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng c\u00e2y hay d\u00e2y ni l\u00f4ng. Gi\u00e0n gi\u1eef cho c\u00e2y \u0111\u1ee9ng v\u1eefng, d\u1ec3 thu tr\u00e1i, k\u00e9o d\u00e0i th\u1eddi gian thu ho\u1ea1ch, h\u1ea1n ch\u1ebf tr\u00e1i b\u1ecb s\u00e2u b\u1ec7nh do \u0111\u1ed7 ng\u00e3. M\u1ed7i h\u00e0ng \u1edbt c\u1eafm 2 tr\u1ee5 c\u00e2y l\u1edbn \u1edf 2 \u0111\u1ea7u, d\u00f9ng d\u00e2y c\u0103ng d\u1ecdc theo h\u00e0ng \u1edbt n\u1ed1i v\u1edbi 2 tr\u1ee5 c\u00e2y, khi c\u00e2y \u1edbt cao t\u1edbi \u0111\u00e2u c\u0103ng d\u00e2y t\u1edbi \u0111\u00f3 \u0111\u1ec3 gi\u1eef c\u00e2y \u0111\u1ee9ng th\u1eb3ng.<\/span><\/p>\n

          C\u00e2y \u1edbt mang nhi\u1ec1u tr\u00e1i g\u1eb7p gi\u00f3 m\u1ea1nh d\u1ec5 \u0111\u1ed5 ng\u00e3, n\u00ean c\u1eafm le (c\u00e2y le d\u00e0i kho\u1ea3ng 1m) ch\u1ed1ng \u0111\u1ee1, m\u1ed7i c\u00e2y \u1edbt c\u1eafm m\u1ed9t c\u00e2y le, c\u1eafm xi\u00ean bu\u1ed9c v\u00e0o th\u00e2n ch\u00ednh, c\u00f3 th\u1ec3 d\u00f9ng d\u00e2y nylon gi\u0103ng d\u1ecdc theo h\u00e0ng \u0111\u1ec3 \u0111\u1ee1 c\u00e0nh mang tr\u00e1i, h\u1ea1n ch\u1ebf c\u00e0nh b\u1ecb g\u00e3y khi mang tr\u00e1i n\u1eb7ng.<\/span><\/p>\n

          Ph\u00e2n b\u00f3n g\u1ed1c:<\/span><\/b><\/p>\n

          B\u00f3n l\u00f3t: 1 – 1,5 t\u1ea5n ph\u00e2n chu\u1ed3ng \u1ee7 hoai + 20 kg ph\u00e2n N.P.K 16-16-8 + 1 kg H\u1ee2P TR\u00cd Super Humic + 2 kg Micromate (trung vi l\u01b0\u1ee3ng) + 2 kg Basudin 10 H.<\/span><\/p>\n

          B\u00f3n th\u00fac l\u1ea7n 1 (25 \u2013 30 ng\u00e0y sau tr\u1ed3ng): 30 kg N.P.K 16-16-8 + 1 kg H\u1ee2P TR\u00cd Super Humic.<\/span><\/p>\n

          B\u00f3n th\u00fac l\u1ea7n 2 (45 \u2013 50 ng\u00e0y sau tr\u1ed3ng): 30 kg N.P.K 16-16-8 + 5 kg Ure + 5 kg Nitrabor.<\/span><\/p>\n

          B\u00f3n b\u1ed5 sung khi \u0111ang thu ho\u1ea1ch tr\u00e1i: 20 kg N.P.K 16-16-8 + 250 g H\u1ee2P TR\u00cd Super Humic ng\u00e2m chung \u0111\u1ec3 t\u01b0\u1edbi 5 – 7 ng\u00e0y 1 l\u1ea7n (c\u00f3 th\u1ec3 tr\u1ed9n chung \u0111\u1ec3 r\u1eafc v\u00e0o gi\u1eefa 2 c\u00e2y \u1edbt n\u1ebfu kh\u00f4ng ph\u1ee7 b\u1ea1t).<\/span><\/p>\n

          Ph\u00e2n b\u00f3n l\u00e1: <\/span><\/b>K\u1ef8 THU\u1eacT TR\u1ed2NG \u1edaT: <\/span><\/b><\/p>\n

          Ngo\u00e0i c\u00e1c l\u1ea7n b\u00f3n ph\u00e2n th\u00fac ch\u00ednh th\u1ee9c n\u00ean d\u00f9ng ph\u00e2n b\u00f3n l\u00e1 nh\u1eb1m m\u1ee5c \u0111\u00edch b\u1ed5 sung nh\u1eefng d\u01b0\u1ee1ng ch\u1ea5t c\u00e2y \u0111ang thi\u1ebfu ho\u1eb7c kh\u00f3 h\u1ea5p thu qua r\u1ec5 \u0111\u1ec3 gi\u00fap c\u00e2y sinh tr\u01b0\u1edfng kh\u1ecfe, ch\u1eafc ch\u1eafn, cho n\u0103ng su\u1ea5t cao nh\u01b0ng tr\u00e1i c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t, m\u1eabu m\u00e3 \u0111\u1eb9p, \u0111\u1ed3ng th\u1eddi c\u0169ng t\u0103ng s\u1ee9c \u0111\u1ec1 kh\u00e1ng v\u1edbi s\u00e2u b\u1ec7nh h\u1ea1i v\u00e0 \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft b\u1ea5t l\u1ee3i.<\/span><\/p>\n

          Tr\u00e1nh l\u1ea1m d\u1ee5ng c\u00e1c ch\u1ea5t k\u00edch th\u00edch t\u0103ng tr\u01b0\u1edfng ho\u1eb7c ph\u00e2n b\u00f3n l\u00e1 c\u00f3 ch\u1ea5t k\u00edch th\u00edch t\u0103ng tr\u01b0\u1edfng nh\u1ea5t l\u00e0 khi c\u00e2y \u0111ang nu\u00f4i tr\u00e1i, v\u00ec c\u00e2y s\u1ebd d\u1ec5 m\u1eabn c\u1ea3m v\u1edbi b\u1ec7nh h\u1ea1i v\u00e0 l\u00e0m gi\u1ea3m ph\u1ea9m ch\u1ea5t tr\u00e1i.<\/span><\/p>\n

          Ng\u00e0y th\u1ee9 7 v\u00e0 ng\u00e0y th\u1ee9 14 sau khi tr\u1ed3ng: phun Hydrophos li\u1ec1u 50 ml\/b\u00ecnh 16 l\u00edt, gi\u00fap c\u00e2y ch\u1ed1ng \u0111\u00e9n, c\u00e2y th\u00e0nh th\u1ee5c v\u00e0 ra hoa s\u1edbm, ra hoa \u0111\u1ed3ng lo\u1ea1t.<\/span><\/p>\n

          Ng\u00e0y th\u1ee9 20 v\u00e0 ng\u00e0y th\u1ee9 27 sau tr\u1ed3ng: phun Bud Booster, c\u00f3 ch\u1ee9a k\u1ebdm, ma-nh\u00ea, bo nh\u1eb1m t\u0103ng kh\u1ea3 n\u0103ng quang h\u1ee3p, th\u00fac ra t\u01b0\u1ee3c v\u00e0 d\u01b0\u1ee1ng l\u00e1, c\u00e2y c\u00f3 b\u1ed9 t\u00e1n sum su\u00ea nh\u01b0ng c\u1ee9ng ch\u1eafc, l\u00e1 xanh b\u1ec1n, t\u0103ng \u0111\u1ec1 kh\u00e1ng v\u1edbi b\u1ec7nh h\u1ea1i. Li\u1ec1u l\u01b0\u1ee3ng 20 g\/b\u00ecnh 16 l\u00edt.<\/span><\/p>\n

          Ng\u00e0y th\u1ee9 30 v\u00e0 37 sau tr\u1ed3ng: phun Bortrac (20 ml\/b\u00ecnh 16 l\u00edt) gi\u00fap c\u00e2y th\u1ee5 ph\u1ea5n v\u00e0 \u0111\u1eadu tr\u00e1i t\u1ed1t, kh\u00f4ng b\u1ecb r\u1ee5ng c\u00f9 n\u00e8o.<\/span><\/p>\n

          Khi tr\u00e1i \u0111ang ph\u00e1t tri\u1ec3n: c\u00e2y c\u1ea7n r\u1ea5t nhi\u1ec1u can-xi v\u00e0 kali \u0111\u1ec3 t\u1ea1o tr\u00e1i c\u00f3 v\u1ecf d\u1ea7y, c\u1ee9ng ch\u1eafc, n\u1eb7ng c\u00e2n, m\u1eabu m\u00e3 \u0111\u1eb9p, \u00edt \u00fang th\u1ed1i, ph\u00f2ng ng\u1eeba n\u1ed5 tr\u00e1i, n\u1ee9t tr\u00e1i. Phun 2 lo\u1ea1i ph\u00e2n b\u00f3n l\u00e1 Caltrac + H\u1ee2P TR\u00cd HK 7-5-44+TE (15 ml + 40 g\/b\u00ecnh 16 l\u00edt), 5 – 6 ng\u00e0y\/l\u1ea7n phun.<\/span><\/p>\n

          Ph\u00f2ng tr\u1eeb s\u00e2u h\u1ea1i<\/span><\/b><\/p>\n

          \u0110\u1ed1i v\u1edbi s\u00e2u \u0111\u1ea5t, s\u00e2u \u0103n l\u00e1, s\u00e2u \u0111\u1ee5c tr\u00e1i ho\u1eb7c r\u1ea7y m\u1eadt, b\u1ecd tr\u0129, b\u1ecd ph\u1ea5n, b\u00e0 con c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng lu\u00e2n phi\u00ean m\u1ed9t trong c\u00e1c lo\u1ea1i thu\u1ed1c nh\u01b0 sau: Brightin 1.8EC, Actimax 50WG, Thiamax 25WDG, Secure 10EC, Ammate,… li\u1ec1u l\u01b0\u1ee3ng xem tr\u00ean bao b\u00ec<\/span><\/p>\n

            \n
          1. Thu ho\u1ea1ch<\/i><\/b><\/li>\n<\/ol>\n

            Thu ho\u1ea1ch \u1edbt khi tr\u00e1i b\u1eaft \u0111\u1ea7u chuy\u1ec3n m\u00e0u –\u00a0tr\u01b0\u1edbc khi ch\u00edn, thu tr\u00e1i gi\u00e0 chuy\u1ec3n m\u00e0u c\u00f3 v\u1ebft \u0111\u1ecf (b\u1eaft \u0111\u1ea7u ch\u00edn) l\u00e0m cho k\u00edch th\u00edch ra hoa nhi\u1ec1u t\u1ea1o n\u0103ng su\u1ea5t cao h\u01a1n cho \u0111\u1ee3t sau.\u00a0\u00a0Ng\u1eaft c\u1ea3 cu\u1ed1ng tr\u00e1i, tr\u00e1nh l\u00e0m g\u00e3y nh\u00e1nh. \u1edat cay cho thu ho\u1ea1ch 35- 40 ng\u00e0y sau khi tr\u1ed5 hoa. \u1ede c\u00e1c l\u1ee9a r\u1ed9, thu ho\u1ea1ch \u1edbt m\u1ed7i ng\u00e0y, b\u00ecnh th\u01b0\u1eddng c\u00e1ch 1-2 ng\u00e0y thu 1 l\u1ea7n.\u00a0<\/span><\/p>\n

            Th\u00f4ng th\u01b0\u1eddng t\u1eeb 35 \u2013 40 ng\u00e0y sau khi \u0111\u1eadu tr\u00e1i c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u ch\u00edn v\u00e0 thu ho\u1ea1ch \u0111\u01b0\u1ee3c. N\u1ebfu ch\u0103m s\u00f3c t\u1ed1t, b\u00f3n ph\u00e2n \u0111\u1ea7y \u0111\u1ee7, \u1edbt c\u00f3 th\u1ec3 cho nhi\u1ec1u \u0111\u1ee3t tr\u00e1i, n\u0103ng su\u1ea5t c\u00f3 kh\u1ea3 n\u0103ng \u0111\u1ea1t trung b\u00ecnh t\u1eeb 25 \u2013 35 t\u1ea5n\/ha ho\u1eb7c cao h\u01a1n. <\/span>K\u1ef8 THU\u1eacT TR\u1ed2NG \u1edaT.<\/span><\/b><\/p>\n","protected":false},"excerpt":{"rendered":"

            Th\u1eddi v\u1ee5 tr\u1ed3ng \u1edbt. K\u1ef9 thu\u1eadt tr\u1ed3ng \u1edbt: – \u1edat c\u00f3 th\u1ec3 tr\u1ed3ng quanh n\u0103m \u1edf nh\u1eefng n\u01a1i c\u00f3 \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i;\u00a0 – \u1edat th\u00edch h\u1ee3p nhi\u1ec7t \u0111\u1ed9 cao t\u1eeb 25-30oC. – \u1edat c\u00f3 th\u1ec3 \u00a0tr\u1ed3ng \u0111\u01b0\u1ee3c quanh n\u0103m nh\u01b0ng th\u01b0\u1eddng t\u1eadp trung v\u00e0o 3 v\u1ee5 ch\u00ednh: – \u1edat Thu \u0110\u00f4ng: Gieo v\u00e0o th\u00e1ng…<\/p>\n","protected":false},"author":1,"featured_media":845,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21,4],"tags":[],"class_list":["post-606","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-du-an","category-tin-tuc"],"_links":{"self":[{"href":"http:\/\/vietbacfood.vn\/en\/wp-json\/wp\/v2\/posts\/606"}],"collection":[{"href":"http:\/\/vietbacfood.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/vietbacfood.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/vietbacfood.vn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/vietbacfood.vn\/en\/wp-json\/wp\/v2\/comments?post=606"}],"version-history":[{"count":1,"href":"http:\/\/vietbacfood.vn\/en\/wp-json\/wp\/v2\/posts\/606\/revisions"}],"predecessor-version":[{"id":608,"href":"http:\/\/vietbacfood.vn\/en\/wp-json\/wp\/v2\/posts\/606\/revisions\/608"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/vietbacfood.vn\/en\/wp-json\/wp\/v2\/media\/845"}],"wp:attachment":[{"href":"http:\/\/vietbacfood.vn\/en\/wp-json\/wp\/v2\/media?parent=606"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/vietbacfood.vn\/en\/wp-json\/wp\/v2\/categories?post=606"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/vietbacfood.vn\/en\/wp-json\/wp\/v2\/tags?post=606"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}