{"id":527,"date":"2024-07-26T15:29:36","date_gmt":"2024-07-26T08:29:36","guid":{"rendered":"https:\/\/bacte.vn\/ky-thuat-trong-cay-sau-rieng\/"},"modified":"2026-07-23T11:09:39","modified_gmt":"2026-07-23T04:09:39","slug":"ky-thuat-trong-cay-sau-rieng","status":"publish","type":"post","link":"https:\/\/bacte.vn\/en\/ky-thuat-trong-cay-sau-rieng\/","title":{"rendered":"K\u1ef9 Thu\u1eadt Tr\u1ed3ng C\u00e2y S\u1ea7u Ri\u00eang"},"content":{"rendered":"
\n

K\u1ef8 THU\u1eacT TR\u1ed2NG C\u00c2Y S\u1ea6U RI\u00caNG<\/span><\/p>\n

\"\"<\/p>\n

I. M\u1ed8T S\u1ed0 Y\u00caU C\u1ea6U SINH TH\u00c1I<\/strong><\/h2>\n

C\u00e2y s\u1ea7u ri\u00eang c\u00f3 th\u1ec3 sinh tr\u01b0\u1edfng ph\u00e1t tri\u1ec3n \u0111\u01b0\u1ee3c tr\u00ean nhi\u1ec1u lo\u1ea1i \u0111\u1ea5t, nh\u01b0ng t\u1ed1t nh\u1ea5t l\u00e0 \u0111\u1ea5t th\u1ecbt, tho\u00e1t n\u01b0\u1edbc t\u1ed1t,\u0111\u1ed9 pH t\u1eeb 4,5 – 6,5.<\/p>\n

Khi c\u00e2y ra hoa c\u1ea7n c\u00f3 nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng kh\u00ed t\u1eeb 20 \u2013 22o<\/sup>C, \u1ea9m \u0111\u1ed9 t\u1eeb 50 – 60%.<\/p>\n

II. NH\u1eeeNG GI\u1ed0NG S\u1ea6U RI\u00caNG PH\u1ed4 BI\u1ebeN HI\u1ec6N NAY<\/strong><\/h2>\n

C\u00e1c gi\u1ed1ng s\u1ea7u ri\u00eang \u0111\u00e3 \u0111\u01b0\u1ee3c B\u1ed9 N\u00f4ng nghi\u1ec7p v\u00e0 Ph\u00e1t tri\u1ec3n n\u00f4ng th\u00f4n c\u00f4ng nh\u1eadn v\u00e0 tr\u1ed3ng ph\u1ed5 bi\u1ebfn hi\u1ec7n nay nh\u01b0:<\/p>\n

1<\/span><\/p>\n

Gi\u1ed1ng s\u1ea7u ri\u00eang Monthong:<\/em><\/strong><\/h3>\n<\/div>\n
\"S\u1ea7u
S\u1ea7u ri\u00eang Monthong<\/figcaption><\/figure>\n

C\u00e2y c\u00f3 \u0111\u1eb7c t\u00ednh sinh tr\u01b0\u1edfng kh\u00e1 t\u1ed1t, d\u1ea1ng t\u00e1n h\u00ecnh th\u00e1p, l\u00e1 thu\u00f4n kh\u00e1 d\u00e0i, m\u1eb7t tr\u00ean b\u00f3ng l\u00e1ng, ph\u1eb3ng v\u00e0 c\u00f3 m\u00e0u xanh h\u01a1i s\u1eadm, kh\u1ea3 n\u0103ng sinh tr\u01b0\u1edfng m\u1ea1nh.<\/p>\n

Tr\u1ed3ng c\u00e2y gh\u00e9p s\u1ebd cho tr\u00e1i kh\u00e1 s\u1edbm sau 3 n\u0103m tr\u1ed3ng, n\u1ebfu \u0111\u01b0\u1ee3c ch\u0103m s\u00f3c t\u1ed1t. Th\u1eddi gian t\u1eeb khi n\u1edf hoa \u0111\u1ebfn thu ho\u1ea1ch t\u1eeb 3,5 – 4 th\u00e1ng. N\u0103ng su\u1ea5t kh\u00e1 cao v\u00e0 kh\u00e1 \u1ed5n \u0111\u1ecbnh (140kg\/c\u00e2y\/n\u0103m \u0111\u1ed1i v\u1edbi c\u00e2y kho\u1ea3ng 9 n\u0103m tu\u1ed5i).<\/p>\n

Tr\u00e1i kh\u00e1 to (2,5 – 4,5kg\/tr\u00e1i), th\u01b0\u1eddng c\u00f3 d\u1ea1ng h\u00ecnh tr\u1ee5, v\u1ecf tr\u00e1i m\u00e0u v\u00e0ng n\u00e2u khi ch\u00edn, c\u01a1m tr\u00e1i m\u00e0u v\u00e0ng nh\u1ea1t, x\u01a1 to trung b\u00ecnh, r\u00e1o, v\u1ecb ng\u1ecdt b\u00e9o, th\u01a1m trung b\u00ecnh, h\u1ea1t l\u00e9p nhi\u1ec1u, t\u1ec9 l\u1ec7 c\u01a1m cao (31,3%).<\/p>\n

2<\/span><\/p>\n

Gi\u1ed1ng s\u1ea7u ri\u00eang Ri 6:
\n<\/em><\/strong><\/h3>\n<\/div>\n
\"
Gi\u1ed1ng s\u1ea7u ri\u00eang Ri 6<\/span><\/figcaption><\/figure>\n

C\u00e2y c\u00f3 \u0111\u1eb7c t\u00ednh sinh tr\u01b0\u1edfng kh\u00e1 t\u1ed1t, ph\u00e2n c\u00e0nh ngang \u0111\u1eb9p, d\u1ea1ng t\u00e1n h\u00ecnh th\u00e1p, l\u00e1 h\u00ecnh xoan v\u00e0 c\u00f3 m\u00e0u xanh \u0111\u1eadm m\u1eb7t tr\u00ean.<\/p>\n

C\u00e2y cho tr\u00e1i kh\u00e1 s\u1edbm sau 3 n\u0103m tr\u1ed3ng, n\u1ebfu \u0111\u01b0\u1ee3c tr\u1ed3ng b\u1eb1ng c\u00e2y gh\u00e9p v\u00e0 ch\u0103m s\u00f3c t\u1ed1t. Th\u1eddi gian t\u1eeb khi n\u1edf hoa \u0111\u1ebfn khi thu ho\u1ea1ch t\u1eeb 3 – 3,5 th\u00e1ng.<\/p>\n

Tr\u00e1i c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng trung b\u00ecnh 2 – 2,5kg\/tr\u00e1i, c\u00f3 h\u00ecnh elip, v\u1ecf tr\u00e1i c\u00f3 m\u00e0u v\u00e0ng khi ch\u00edn, c\u01a1m tr\u00e1i c\u00f3 m\u00e0u v\u00e0ng \u0111\u1eadm, kh\u00f4ng x\u01a1, r\u00e1o, v\u1ecb b\u00e9o ng\u1ecdt, th\u01a1m nhi\u1ec1u, h\u1ea1t l\u00e9p nhi\u1ec1u v\u00e0 t\u1ec9 l\u1ec7 c\u01a1m cao (33%).<\/p>\n

3<\/span><\/p>\n

Gi\u1ed1ng s\u1ea7u ri\u00eang c\u01a1m v\u00e0ng s\u1eefa h\u1ea1t l\u00e9p (s\u1ea7u ri\u00eang Ch\u00edn H\u00f3a):<\/em><\/strong><\/h3>\n<\/div>\n
\"S\u1ea7u
S\u1ea7u ri\u00eang Ch\u00edn Ho\u00e1<\/figcaption><\/figure>\n

C\u00e2y c\u00f3 \u0111\u1eb7c t\u00ednh sinh tr\u01b0\u1edfng kh\u00e1 t\u1ed1t, d\u1ea1ng t\u00e1n h\u00ecnh th\u00e1p, l\u00e1 thu\u00f4n d\u00e0i, m\u1eb7t tr\u00ean b\u00f3ng l\u00e1ng v\u00e0 c\u00f3 m\u00e0u xanh \u0111\u1eadm.<\/p>\n

C\u00e2y cho tr\u00e1i kh\u00e1 s\u1edbm sau 4 n\u0103m tr\u1ed3ng, n\u1ebfu \u0111\u01b0\u1ee3c tr\u1ed3ng t\u1eeb c\u00e2y gh\u00e9p v\u00e0 ch\u0103m s\u00f3c t\u1ed1t. Th\u1eddi gian t\u1eeb khi n\u1edf hoa \u0111\u1ebfn khi thu ho\u1ea1ch t\u1eeb 3,5 – 4 th\u00e1ng.<\/p>\n

Tr\u00e1i kh\u00e1 to (2,6 – 3,1kg\/tr\u00e1i), d\u1ea1ng h\u00ecnh c\u1ea7u c\u00e2n \u0111\u1ed1i, v\u1ecf tr\u00e1i m\u00e0u v\u00e0ng \u0111\u1ed3ng \u0111\u1ec1u khi ch\u00edn, c\u01a1m tr\u00e1i m\u00e0u v\u00e0ng, kh\u00f4ng x\u01a1, v\u1ecb b\u00e9o ng\u1ecdt, m\u00f9i th\u01a1m, h\u1ea1t l\u00e9p nhi\u1ec1u v\u00e0 t\u1ec9 l\u1ec7 c\u01a1m kh\u00e1 cao (28,8%), h\u01a1i nh\u00e3o (n\u1ebfu \u0111\u1ec3 mu\u1ed9n).<\/p>\n

III.K\u1ef8 THU\u1eacT TR\u1ed2NG V\u00c0 CH\u0102M S\u00d3C<\/strong><\/h2>\n
1<\/span><\/p>\n

C\u00e2y gi\u1ed1ng:<\/em><\/strong><\/h3>\n<\/div>\n

N\u00ean tr\u1ed3ng b\u1eb1ng c\u00e2y gh\u00e9p (gh\u00e9p m\u1eaft ho\u1eb7c gh\u00e9p c\u00e0nh), kh\u00f4ng n\u00ean tr\u1ed3ng b\u1eb1ng h\u1ea1t.<\/p>\n

Ti\u00eau chu\u1ea9n c\u00e2y gi\u1ed1ng t\u1ed1t:<\/u><\/em><\/strong><\/h4>\n

–\u00a0\u00a0\u00a0\u00a0\u00a0 G\u1ed1c gh\u00e9p ph\u1ea3i th\u1eb3ng, \u0111\u01b0\u1eddng k\u00ednh g\u1ed1c gh\u00e9p 1,0 -1,5cm.<\/p>\n

–\u00a0\u00a0\u00a0 B\u1ed9 r\u1ec5 ph\u00e1t tri\u1ec3n t\u1ed1t.<\/p>\n

–\u00a0\u00a0\u00a0 Th\u00e2n th\u1eb3ng v\u00e0 v\u1eefng ch\u1eafc, c\u00f3 t\u1eeb 3 c\u00e0nh c\u1ea5p 1 tr\u1edf l\u00ean, c\u00e1c l\u00e1 ng\u1ecdn \u0111\u00e3 tr\u01b0\u1edfng th\u00e0nh, xanh t\u1ed1t v\u00e0 c\u00f3 h\u00ecnh d\u1ea1ng, k\u00edch th\u01b0\u1edbc \u0111\u1eb7c tr\u01b0ng c\u1ee7a gi\u1ed1ng.<\/p>\n

–\u00a0\u00a0\u00a0 Chi\u1ec1u cao c\u00e2y t\u1eeb 80cm tr\u1edf l\u00ean (t\u00ednh t\u1eeb m\u1eb7t gi\u00e1 th\u1ec3 b\u1ea7u \u01b0\u01a1m \u0111\u1ebfn \u0111\u1ec9nh ch\u1ed3i).<\/p>\n

–\u00a0\u00a0\u00a0 C\u00e2y ph\u1ea3i \u0111\u00fang gi\u1ed1ng nh\u01b0 t\u00ean g\u1ecdi ghi tr\u00ean nh\u00e3n hi\u1ec7u. C\u00e2y ph\u1ea3i \u0111ang sinh tr\u01b0\u1edfng kh\u1ecfe, kh\u00f4ng mang c\u00e1c lo\u1ea1i d\u1ecbch b\u1ec7nh ch\u00ednh nh\u01b0 b\u1ec7nh th\u00e1n th\u01b0, b\u1ec7nh do phytophthora, r\u1ea7y ph\u1ea5n\u2026<\/p>\n

2<\/span><\/p>\n

\u0110\u1ea5t tr\u1ed3ng:<\/em><\/strong><\/h3>\n<\/div>\n

\u0110\u1ea5t tr\u1ed3ng s\u1ea7u ri\u00eang ph\u1ea3i \u0111\u1ea3m b\u1ea3o ch\u1ee7 \u0111\u1ed9ng trong vi\u1ec7c t\u01b0\u1edbi v\u00e0 ti\u00eau n\u01b0\u1edbc \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ee7 n\u01b0\u1edbc t\u01b0\u1edbi trong m\u00f9a kh\u00f4 v\u00e0 tho\u00e1t n\u01b0\u1edbc t\u1ed1t trong m\u00f9a m\u01b0a c\u0169ng nh\u01b0 c\u00f3 th\u1ec3 t\u1ea1o kh\u00f4 h\u1ea1n \u0111\u1ec3 x\u1eed l\u00fd c\u00e2y ra hoa ngh\u1ecbch v\u1ee5.<\/p>\n

3<\/span><\/p>\n

Th\u1eddi v\u1ee5 tr\u1ed3ng:<\/em><\/strong><\/h3>\n<\/div>\n

N\u1ebfu ch\u1ee7 \u0111\u1ed9ng n\u01b0\u1edbc t\u01b0\u1edbi th\u00ec c\u00f3 th\u1ec3 tr\u1ed3ng quanh n\u0103m, nh\u01b0ng t\u1ed1t nh\u1ea5t l\u00e0 tr\u1ed3ng v\u00e0o \u0111\u1ea7u m\u00f9a m\u01b0a. Kh\u00f4ng n\u00ean tr\u1ed3ng l\u00fac m\u01b0a d\u1ea7m v\u00ec c\u00e2y s\u1ebd ch\u1eadm ph\u00e1t tri\u1ec3n ho\u1eb7c ch\u1ebft do ngh\u1eb9t r\u1ec5.<\/p>\n

4<\/span><\/p>\n

Kho\u1ea3ng c\u00e1ch tr\u1ed3ng:<\/em><\/strong><\/h3>\n<\/div>\n

N\u00ean tr\u1ed3ng th\u01b0a, c\u00e2y c\u00e1ch c\u00e2y t\u1eeb 8 – 10m.<\/p>\n

5<\/span><\/p>\n

C\u00e1ch tr\u1ed3ng:<\/em><\/strong><\/h3>\n<\/div>\n

Khu v\u1ef1c mi\u1ec1n T\u00e2y<\/u><\/em><\/strong><\/h4>\n

C\u00e2y ph\u1ea3i tr\u1ed3ng tr\u00ean m\u00f4 cao, \u0111\u1ed9 cao v\u00e0 b\u1ec1 r\u1ed9ng m\u1eb7t m\u00f4 t\u00f9y \u0111i\u1ec1u ki\u1ec7n \u0111\u1ea5t tr\u1ed3ng. \u0110\u00e0o h\u1ed1 tr\u00ean m\u00f4 \u0111\u00e3 \u0111\u1eafp, h\u1ed1 c\u00f3 \u0111\u01b0\u1eddng k\u00ednh kho\u1ea3ng 0,6m v\u00e0 s\u00e2u kho\u1ea3ng 0,6m.<\/p>\n

Sau \u0111\u00f3 b\u00f3n v\u00e0o h\u1ed1 l\u01b0\u1ee3ng ph\u00e2n sau: 15-20kg ph\u00e2n chu\u1ed3ng hoai m\u1ee5c +500 \u2013 700 g L\u00e2n nung ch\u1ea3y (super l\u00e2n) + 300g BACTE 555\u00a0 + 0,5 – 0,7 kg V\u00f4i b\u1ed9t.<\/p>\n

Cho t\u1ea5t c\u1ea3 h\u1ed7n h\u1ee3p tr\u00ean v\u00e0o h\u1ed1 r\u1ed3i tr\u1ed9n \u0111\u1ec1u v\u1edbi \u0111\u1ea5t trong h\u1ed9 tr\u1ed3ng, sau \u0111\u00f3 ph\u1ee7 l\u00ean m\u1ed9t l\u1edbp \u0111\u1ea5t m\u1ecfng 2 \u2013 3 cm \u0111\u1ec3 kho\u1ea3ng 10 \u2013 12 ng\u00e0y m\u1edbi ti\u1ebfn h\u00e0nh tr\u1ed3ng c\u00e2y con<\/p>\n

\u0110\u00e0o l\u1ed7 v\u1eeba b\u1ea7u c\u00e2y con, nh\u1eb9 nh\u00e0ng lo\u1ea1i b\u1ecf v\u1eadt li\u1ec7u l\u00e0m b\u1ea7u, \u0111\u1eb7t c\u00e2y v\u00e0o l\u1ed7 v\u1eeba \u0111\u00e0o, l\u1ea5p \u0111\u1ea5t ngang m\u1eb7t b\u1ea7u c\u00e2y con, \u00e9m \u0111\u1ea5t xung quanh g\u1ed1c, t\u01b0\u1edbi \u0111\u1eabm n\u01b0\u1edbc, c\u1eafm c\u1ecdc gi\u1eef c\u00e2y kh\u00f4ng \u0111\u1ec3 gi\u00f3 lay l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn r\u1ec5. D\u00f9ng r\u01a1m r\u1ea1 hay c\u1ecf kh\u00f4 t\u1ee7 l\u00ean m\u00f4 \u0111\u1ec3 gi\u1eef \u1ea9m (kh\u00f4ng t\u1ee7 s\u00e1t g\u1ed1c c\u00e2y).<\/p>\n

C\u1ea7n che m\u00e1t c\u00e2y con th\u1eddi gian \u0111\u1ea7u (ch\u00fa \u00fd: kh\u00f4ng che q\u00faa 50% \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi).<\/p>\n

Khu v\u1ef1c mi\u1ec1n \u0110\u00f4ng, Cao nguy\u00ean<\/u><\/em><\/h4>\n

Th\u01b0\u1eddng l\u00e0 \u0111\u1ea5t \u0111\u1ed3i c\u00f3 \u0111\u1ed9 nghi\u00eang n\u00ean kh\u00f4ng ph\u1ea3i l\u00ean m\u00f4 l\u00edp m\u00e0 \u0111\u00e0o h\u1ed1 tr\u1ed3ng. K\u00edch th\u01b0\u1edbc h\u1ed1 \u0111\u1ed1i v\u1edbi \u0111\u1ea5t t\u1ed1t l\u00e0 60 x 60 x 60 (cm), \u0111\u1ea5t x\u1ea5u l\u00e0 70 x 70 x 70 (cm)<\/p>\n

Sau \u0111\u00f3 b\u00f3n v\u00e0o h\u1ed1 l\u01b0\u1ee3ng ph\u00e2n sau: 15-20kg ph\u00e2n chu\u1ed3ng hoai m\u1ee5c +500 \u2013 700 g L\u00e2n nung ch\u1ea3y (super l\u00e2n) + 300g BACTE 555 + 0,5 – 0,7 kg V\u00f4i b\u1ed9t.<\/p>\n

Cho t\u1ea5t c\u1ea3 h\u1ed7n h\u1ee3p tr\u00ean v\u00e0o h\u1ed1 r\u1ed3i tr\u1ed9n \u0111\u1ec1u v\u1edbi \u0111\u1ea5t trong h\u1ed9 tr\u1ed3ng, sau \u0111\u00f3 ph\u1ee7 l\u00ean m\u1ed9t l\u1edbp \u0111\u1ea5t m\u1ecfng 2 \u2013 3 cm \u0111\u1ec3 kho\u1ea3ng 10 \u2013 12 ng\u00e0y m\u1edbi ti\u1ebfn h\u00e0nh tr\u1ed3ng c\u00e2y con<\/p>\n

Ch\u0103m s\u00f3c:<\/em><\/strong><\/h2>\n

Giai \u0111o\u1ea1n sau khi tr\u1ed3ng \u0111\u1ebfn khi b\u1eaft \u0111\u1ea7u cho tr\u00e1i:<\/u><\/strong><\/h3>\n

T\u01b0\u1edbi n\u01b0\u1edbc:<\/em> C\u00e2y con c\u1ea7n \u0111\u01b0\u1ee3c t\u01b0\u1edbi n\u01b0\u1edbc \u0111\u1ea7y \u0111\u1ee7 \u0111\u1ec3 gi\u1ea3m t\u1ec9 l\u1ec7 c\u00e2y ch\u1ebft, gi\u00fap c\u00e2y kh\u1ecfe, nhanh cho tr\u00e1i. Trong m\u00f9a m\u01b0a c\u1ea7n ch\u00fa \u00fd tho\u00e1t n\u01b0\u1edbc t\u1ed1t.<\/p>\n

L\u00e0m c\u1ecf – t\u1ee7 g\u1ed1c:<\/em> C\u1ea7n l\u00e0m c\u1ecf xung quanh g\u1ed1c s\u1ea7u ri\u00eang \u0111\u1ec3 g\u1ed1c \u0111\u01b0\u1ee3c kh\u00f4 r\u00e1o, v\u00ec \u1ea9m \u0111\u1ed9 cao s\u1ebd th\u00edch h\u1ee3p cho n\u1ea5m Phytophthora palmivora<\/em> ph\u00e1t tri\u1ec3n v\u00e0 g\u00e2y h\u1ea1i. Trong m\u00f9a kh\u00f4 c\u1ea7n d\u00f9ng c\u1ecf kh\u00f4 ho\u1eb7c r\u01a1m r\u1ea1 ph\u1ee7 \u0111\u1ea5t gi\u1eef \u1ea9m xung quanh g\u1ed1c c\u00e2y, n\u00ean ph\u1ee7 c\u00e1ch g\u1ed1c 10 – 50cm t\u00f9y \u0111\u1ed9 l\u1edbn c\u1ee7a c\u00e2y.<\/p>\n

T\u1ec9a c\u00e0nh, t\u1ea1o t\u00e1n: <\/em>Trong n\u0103m th\u1ee9 hai, th\u1ee9 ba khi c\u00e2y ch\u01b0a cho tr\u00e1i c\u1ea7n t\u1ec9a b\u1ecf nh\u1eefng c\u00e0nh b\u1ecb che khu\u1ea5t, c\u00e0nh y\u1ebfu, c\u00e0nh b\u1ecb s\u00e2u b\u1ec7nh, c\u00e0nh m\u1ecdc q\u00faa g\u1ea7n m\u1eb7t \u0111\u1ea5t. Ch\u1ec9 \u0111\u1ec3 1 ng\u1ecdn v\u1edbi c\u00e1c c\u00e0nh ngang kh\u1ecfe m\u1ea1nh ph\u00e2n b\u1ed1 \u0111\u1ec1u tr\u00ean th\u00e2n ch\u00ednh. L\u01b0u \u00fd: T\u1ec9a c\u00e0nh xong m\u1edbi ti\u1ebfn h\u00e0nh b\u00f3n ph\u00e2n.<\/p>\n

B\u00f3n ph\u00e2n: <\/em>Giai \u0111o\u1ea1n c\u00e2y con v\u00e0 nh\u1eefng n\u0103m \u0111\u1ea7u cho tr\u00e1i: h\u00e0ng n\u0103m m\u1ed7i g\u1ed1c b\u00f3n (15 \u2013 20)kg ph\u00e2n chu\u1ed3ng hoai m\u1ee5c + (500 \u2013 700)g L\u00e2n nung ch\u1ea3y (super l\u00e2n) + (300 \u2013 500)g BACTE 555 (BACTE 45) + (200 \u2013 400)g BACTE KALI 50 + (0,5 – 1) kg V\u00f4i b\u1ed9t. B\u00f3n l\u00e0m 3 \u2013 4 l\u1ea7n trong n\u0103m.<\/p>\n

C\u00f3 th\u1ec3 t\u0103ng c\u01b0\u1eddng k\u1ebft h\u1ee3p ph\u00e2n v\u00f4 c\u01a1: \u0110\u1ea1m Sunphat (NH4<\/sub>2SO4<\/sub>); Kali Sunphat (K2<\/sub>SO4<\/sub>). Li\u1ec1u l\u01b0\u1ee3ng ph\u00e2n v\u00f4 c\u01a1 t\u0103ng d\u1ea7n theo \u0111\u1ed9 l\u1edbn c\u1ee7a c\u00e2y<\/p>\n

K\u1ebft h\u1ee3p phun ph\u00e2n b\u00f3n qua l\u00e1 Bacte 02; Bacte MagieBo trong su\u1ed1t giai \u0111o\u1ea1n c\u00e2y sinh tr\u01b0\u1edfng ph\u00e1t tri\u1ec3n \u1edf giai \u0111o\u1ea1n n\u00e0y.<\/p>\n

Ch\u00fa \u00fd:<\/u><\/em> Kh\u00f4ng s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i ph\u00e2n c\u00f3 ch\u1ee9a ch\u1ea5t Clor (Cl).<\/p>\n

Giai \u0111o\u1ea1n c\u00e2y cho tr\u00e1i \u1ed5n \u0111\u1ecbnh:<\/u><\/strong><\/h2>\n

T\u1eeb sau thu ho\u1ea1ch \u0111\u1ebfn x\u1eed l\u00fd ra hoa:<\/strong><\/h3>\n
1<\/span><\/p>\n

T\u1ec9a c\u00e0nh v\u00e0 k\u00edch th\u00edch ra \u0111\u1ecdt:<\/em><\/strong><\/h3>\n<\/div>\n

Ti\u1ebfn h\u00e0nh ngay sau khi thu ho\u1ea1ch nh\u1eb1m k\u00edch th\u00edch cho c\u00e2y s\u1ea7u ri\u00eang ra \u0111\u1ecdt t\u1eadp trung s\u1ebd h\u1ea1n ch\u1ebf \u0111\u01b0\u1ee3c s\u1ef1 ra hoa l\u00e0m nhi\u1ec1u \u0111\u1ee3t trong n\u0103m. C\u00e2y c\u1ea7n ra \u00edt nh\u1ea5t 2 l\u1ea7n \u0111\u1ecdt tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh x\u1eed l\u00fd ra hoa.<\/p>\n