{"id":3268,"date":"2026-05-28T15:45:45","date_gmt":"2026-05-28T08:45:45","guid":{"rendered":"https:\/\/bacte.vn\/?p=3268"},"modified":"2026-07-31T11:49:26","modified_gmt":"2026-07-31T04:49:26","slug":"benh-nut-than-xi-mu-sau-rieng-dau-hieu-nguyen-nhan-va-cach-xu-ly-hieu-qua","status":"publish","type":"post","link":"https:\/\/bacte.vn\/en\/benh-nut-than-xi-mu-sau-rieng-dau-hieu-nguyen-nhan-va-cach-xu-ly-hieu-qua\/","title":{"rendered":"B\u1ec7nh n\u1ee9t th\u00e2n x\u00ec m\u1ee7 s\u1ea7u ri\u00eang: D\u1ea5u hi\u1ec7u, nguy\u00ean nh\u00e2n v\u00e0 c\u00e1ch x\u1eed l\u00fd hi\u1ec7u qu\u1ea3"},"content":{"rendered":"

B\u1ec7nh n\u1ee9t th\u00e2n x\u00ec m\u1ee7 s\u1ea7u ri\u00eang l\u00e0 m\u1ed9t trong nh\u1eefng b\u1ec7nh nguy hi\u1ec3m khi\u1ebfn nhi\u1ec1u nh\u00e0 v\u01b0\u1eddn lo l\u1eafng, nh\u1ea5t l\u00e0 v\u00e0o m\u00f9a m\u01b0a ho\u1eb7c \u1edf nh\u1eefng v\u01b0\u1eddn c\u00f3 n\u1ec1n \u0111\u1ea5t \u1ea9m, tho\u00e1t n\u01b0\u1edbc k\u00e9m. Ban \u0111\u1ea7u b\u1ec7nh c\u00f3 th\u1ec3 ch\u1ec9 xu\u1ea5t hi\u1ec7n v\u00e0i v\u1ebft n\u1ee9t nh\u1ecf, r\u1ec9 nh\u1ef1a nh\u1eb9 \u1edf th\u00e2n, c\u00e0nh ho\u1eb7c g\u1ea7n g\u1ed1c. Nh\u01b0ng n\u1ebfu kh\u00f4ng ph\u00e1t hi\u1ec7n s\u1edbm, v\u1ebft b\u1ec7nh c\u00f3 th\u1ec3 lan r\u1ed9ng, l\u00e0m c\u00e2y v\u00e0ng l\u00e1, th\u1ed1i r\u1ec5, kh\u00f4 c\u00e0nh, r\u1ee5ng tr\u00e1i v\u00e0 suy ki\u1ec7t nhanh.<\/p>\n

\u0110i\u1ec1u \u0111\u00e1ng n\u00f3i l\u00e0 nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p b\u00e0 con ch\u1ec9 t\u1eadp trung x\u1eed l\u00fd v\u1ebft x\u00ec m\u1ee7 b\u00ean ngo\u00e0i m\u00e0 qu\u00ean m\u1ea5t ph\u1ea7n g\u1ed1c r\u1ec5 b\u00ean d\u01b0\u1edbi c\u0169ng \u0111ang b\u1ecb \u1ea3nh h\u01b0\u1edfng. V\u00ec v\u1eady, mu\u1ed1n ki\u1ec3m so\u00e1t b\u1ec7nh n\u1ee9t th\u00e2n x\u00ec m\u1ee7 hi\u1ec7u qu\u1ea3, c\u1ea7n x\u1eed l\u00fd \u0111\u1ed3ng b\u1ed9 t\u1eeb th\u00e2n, g\u1ed1c, r\u1ec5 \u0111\u1ebfn \u0111i\u1ec1u ki\u1ec7n \u0111\u1ea5t trong v\u01b0\u1eddn.<\/p>\n

1. B\u1ec7nh n\u1ee9t th\u00e2n x\u00ec m\u1ee7 s\u1ea7u ri\u00eang l\u00e0 g\u00ec?<\/h2>\n

B\u1ec7nh n\u1ee9t th\u00e2n x\u00ec m\u1ee7 s\u1ea7u ri\u00eang l\u00e0 t\u00ecnh tr\u1ea1ng th\u00e2n, c\u00e0nh ho\u1eb7c v\u00f9ng c\u1ed5 r\u1ec5 xu\u1ea5t hi\u1ec7n v\u1ebft n\u1ee9t, sau \u0111\u00f3 r\u1ec9 nh\u1ef1a m\u00e0u trong, v\u00e0ng n\u00e2u ho\u1eb7c n\u00e2u s\u1eabm. Khi b\u1ec7nh n\u1eb7ng h\u01a1n, ph\u1ea7n v\u1ecf quanh v\u1ebft b\u1ec7nh c\u00f3 th\u1ec3 b\u1ecb th\u00e2m \u0111en, m\u1ec1m, bong tr\u00f3c ho\u1eb7c th\u1ed1i nh\u0169n.<\/p>\n

B\u1ec7nh th\u01b0\u1eddng li\u00ean quan \u0111\u1ebfn s\u1ef1 t\u1ea5n c\u00f4ng c\u1ee7a n\u1ea5m h\u1ea1i, \u0111\u1eb7c bi\u1ec7t trong \u0111i\u1ec1u ki\u1ec7n v\u01b0\u1eddn \u1ea9m th\u1ea5p, \u0111\u1ea5t b\u00ed, r\u1ec5 y\u1ebfu ho\u1eb7c c\u00e2y b\u1ecb t\u1ed5n th\u01b0\u01a1ng c\u01a1 h\u1ecdc. V\u1edbi c\u00e2y s\u1ea7u ri\u00eang, khi b\u1ed9 r\u1ec5 \u0111\u00e3 suy, s\u1ee9c \u0111\u1ec1 kh\u00e1ng c\u00e2y gi\u1ea3m m\u1ea1nh, khi\u1ebfn n\u1ea5m b\u1ec7nh d\u1ec5 ph\u00e1t tri\u1ec3n v\u00e0 lan nhanh h\u01a1n.<\/p>\n

2. D\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft b\u1ec7nh n\u1ee9t th\u00e2n x\u00ec m\u1ee7 tr\u00ean c\u00e2y s\u1ea7u ri\u00eang<\/h2>\n

2.1. D\u1ea5u hi\u1ec7u giai \u0111o\u1ea1n \u0111\u1ea7u<\/h3>\n

\u1ede giai \u0111o\u1ea1n \u0111\u1ea7u, b\u00e0 con c\u00f3 th\u1ec3 th\u1ea5y tr\u00ean th\u00e2n ho\u1eb7c g\u1ea7n g\u1ed1c c\u00e2y xu\u1ea5t hi\u1ec7n nh\u1eefng v\u1ebft r\u1ea1n nh\u1ecf ch\u1ea1y d\u1ecdc theo th\u00e2n. T\u1ea1i c\u00e1c khe n\u1ee9t c\u00f3 l\u1edbp nh\u1ef1a trong ho\u1eb7c h\u01a1i v\u00e0ng r\u1ec9 ra, s\u1edd v\u00e0o th\u1ea5y d\u00ednh.<\/p>\n

\"D\u1ea5u
D\u1ea5u hi\u1ec7u b\u1ec7nh n\u1ee9t th\u00e2n x\u00ec m\u1ee7 s\u1ea7u ri\u00eang giai \u0111o\u1ea1n \u0111\u1ea7u v\u00e0 n\u1eb7ng<\/figcaption><\/figure>\n

L\u00fac n\u00e0y c\u00e2y v\u1eabn c\u00f3 th\u1ec3 sinh tr\u01b0\u1edfng b\u00ecnh th\u01b0\u1eddng n\u00ean nhi\u1ec1u nh\u00e0 v\u01b0\u1eddn d\u1ec5 b\u1ecf qua. Tuy nhi\u00ean, n\u1ebfu quan s\u00e1t k\u1ef9, c\u00e2y c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u c\u00f3 bi\u1ec3u hi\u1ec7n l\u00e1 h\u01a1i bu\u1ed3n, \u0111\u1ecdt ra ch\u1eadm, l\u00e1 k\u00e9m xanh, c\u00e2y ph\u00e1t tri\u1ec3n y\u1ebfu h\u01a1n so v\u1edbi c\u00e1c c\u00e2y kh\u1ecfe trong v\u01b0\u1eddn.<\/p>\n

\u0110\u00e2y l\u00e0 th\u1eddi \u0111i\u1ec3m r\u1ea5t quan tr\u1ecdng. N\u1ebfu x\u1eed l\u00fd ngay t\u1eeb giai \u0111o\u1ea1n n\u00e0y, kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i c\u1ee7a c\u00e2y s\u1ebd cao h\u01a1n v\u00e0 chi ph\u00ed x\u1eed l\u00fd c\u0169ng nh\u1eb9 h\u01a1n r\u1ea5t nhi\u1ec1u.<\/p>\n

2.2. D\u1ea5u hi\u1ec7u khi b\u1ec7nh chuy\u1ec3n n\u1eb7ng<\/h3>\n

Khi b\u1ec7nh n\u1eb7ng h\u01a1n, v\u1ebft n\u1ee9t m\u1edf r\u1ed9ng, nh\u1ef1a ch\u1ea3y nhi\u1ec1u v\u00e0 chuy\u1ec3n sang m\u00e0u v\u00e0ng \u0111\u1eadm, n\u00e2u ho\u1eb7c \u0111en. V\u1ecf c\u00e2y quanh v\u1ebft b\u1ec7nh m\u1ec1m, bong tr\u00f3c, th\u00e2m \u0111en, c\u00f3 th\u1ec3 k\u00e8m m\u00f9i h\u00f4i nh\u1eb9.<\/p>\n

N\u1ebfu n\u1ea5m \u0111\u00e3 \u0103n s\u00e2u v\u00e0o m\u00f4 d\u1eabn, c\u00e2y s\u1ebd kh\u00f3 v\u1eadn chuy\u1ec3n n\u01b0\u1edbc v\u00e0 dinh d\u01b0\u1ee1ng. B\u00e0 con c\u00f3 th\u1ec3 th\u1ea5y l\u00e1 v\u00e0ng, r\u1ee5ng l\u00e1, kh\u00f4 c\u00e0nh, r\u1ee5ng tr\u00e1i non, c\u00e2y \u0111\u1ee9ng \u0111\u1ecdt ho\u1eb7c suy nhanh sau m\u1ed9t \u0111\u1ee3t m\u01b0a k\u00e9o d\u00e0i.<\/p>\n

3. Ph\u00e2n bi\u1ec7t x\u00ec m\u1ee7 do n\u1ea5m b\u1ec7nh v\u00e0 x\u00ec m\u1ee7 do tr\u1ea7y x\u01b0\u1edbc c\u01a1 h\u1ecdc<\/h2>\n

Kh\u00f4ng ph\u1ea3i c\u1ee9 th\u1ea5y c\u00e2y s\u1ea7u ri\u00eang ch\u1ea3y nh\u1ef1a l\u00e0 k\u1ebft lu\u1eadn ngay b\u1ecb b\u1ec7nh n\u1ee9t th\u00e2n x\u00ec m\u1ee7. B\u00e0 con c\u1ea7n ph\u00e2n bi\u1ec7t \u0111\u1ec3 x\u1eed l\u00fd \u0111\u00fang c\u00e1ch.<\/p>\n

3.1. X\u00ec m\u1ee7 do tr\u1ea7y x\u01b0\u1edbc c\u01a1 h\u1ecdc<\/h3>\n
\"Ph\u00e2n
Ph\u00e2n bi\u1ec7t s\u1ea7u ri\u00eang b\u1ecb x\u00ec m\u1ee7 do c\u01a1 h\u1ecdc<\/figcaption><\/figure>\n

Tr\u01b0\u1eddng h\u1ee3p n\u00e0y th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n sau khi c\u00e2y b\u1ecb va ch\u1ea1m, c\u1eaft t\u1ec9a, c\u00e0o x\u01b0\u1edbc v\u1ecf ho\u1eb7c t\u00e1c \u0111\u1ed9ng m\u1ea1nh v\u00e0o th\u00e2n. V\u1ebft th\u01b0\u01a1ng th\u01b0\u1eddng n\u1eb1m \u0111\u00fang v\u1ecb tr\u00ed b\u1ecb t\u1ed5n th\u01b0\u01a1ng, ph\u1ea1m vi nh\u1ecf, \u00edt lan r\u1ed9ng. Nh\u1ef1a c\u00f3 th\u1ec3 ch\u1ea3y ra nh\u01b0ng ph\u1ea7n v\u1ecf xung quanh kh\u00f4ng b\u1ecb th\u1ed1i \u0111en nhi\u1ec1u.<\/p>\n

N\u1ebfu v\u1ebft th\u01b0\u01a1ng s\u1ea1ch, c\u00e2y kh\u1ecfe, v\u01b0\u1eddn kh\u00f4 tho\u00e1ng th\u00ec c\u00e2y c\u00f3 th\u1ec3 t\u1ef1 li\u1ec1n d\u1ea7n sau khi \u0111\u01b0\u1ee3c v\u1ec7 sinh v\u00e0 b\u1ea3o v\u1ec7 v\u1ebft th\u01b0\u01a1ng.<\/p>\n

3.2. X\u00ec m\u1ee7 do n\u1ea5m b\u1ec7nh<\/h3>\n

X\u00ec m\u1ee7 do n\u1ea5m b\u1ec7nh th\u01b0\u1eddng nguy hi\u1ec3m h\u01a1n. V\u1ebft b\u1ec7nh c\u00f3 xu h\u01b0\u1edbng lan r\u1ed9ng theo chi\u1ec1u d\u1ecdc th\u00e2n ho\u1eb7c quanh v\u00f9ng g\u1ed1c. Nh\u1ef1a chuy\u1ec3n m\u00e0u v\u00e0ng n\u00e2u, n\u00e2u s\u1eabm, ph\u1ea7n v\u1ecf quanh v\u1ebft b\u1ec7nh th\u00e2m \u0111en, m\u1ec1m, bong tr\u00f3c ho\u1eb7c th\u1ed1i.<\/p>\n

Tr\u01b0\u1eddng h\u1ee3p n\u00e0y th\u01b0\u1eddng \u0111i k\u00e8m c\u00e1c d\u1ea5u hi\u1ec7u nh\u01b0 l\u00e1 v\u00e0ng, r\u1ec5 y\u1ebfu, c\u00e2y ch\u1eadm \u0111\u1ecdt, \u0111\u1ea5t quanh g\u1ed1c \u1ea9m b\u00ed, v\u01b0\u1eddn tho\u00e1t n\u01b0\u1edbc k\u00e9m. N\u1ebfu ch\u1ec9 lau nh\u1ef1a ho\u1eb7c b\u00f4i ngo\u00e0i m\u00e0 kh\u00f4ng x\u1eed l\u00fd g\u1ed1c r\u1ec5 v\u00e0 m\u1ea7m b\u1ec7nh trong \u0111\u1ea5t, b\u1ec7nh r\u1ea5t d\u1ec5 t\u00e1i ph\u00e1t.<\/p>\n

4. Nguy\u00ean nh\u00e2n khi\u1ebfn s\u1ea7u ri\u00eang b\u1ecb n\u1ee9t th\u00e2n x\u00ec m\u1ee7<\/h2>\n
\"Nguy\u00ean
Nguy\u00ean nh\u00e2n s\u1ea7u ri\u00eang b\u1ecb x\u00ec m\u1ee7 do n\u1ea5m h\u1ea1i tuy\u1ebfn tr\u00f9ng v\u00e0 th\u1ed1i r\u1ec5<\/figcaption><\/figure>\n

4.1. Do n\u1ea5m b\u1ec7nh ph\u00e1t tri\u1ec3n trong \u0111i\u1ec1u ki\u1ec7n \u1ea9m th\u1ea5p<\/h3>\n

Nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 n\u1ea5m b\u1ec7nh ph\u00e1t tri\u1ec3n m\u1ea1nh khi v\u01b0\u1eddn c\u00f3 \u0111\u1ed9 \u1ea9m cao, m\u01b0a k\u00e9o d\u00e0i, \u0111\u1ea5t \u0111\u1ecdng n\u01b0\u1edbc ho\u1eb7c r\u00e3nh tho\u00e1t n\u01b0\u1edbc k\u00e9m. N\u1ea5m c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i trong \u0111\u1ea5t, n\u01b0\u1edbc, t\u00e0n d\u01b0 th\u1ef1c v\u1eadt v\u00e0 x\u00e2m nh\u1eadp v\u00e0o c\u00e2y qua v\u1ebft th\u01b0\u01a1ng \u1edf th\u00e2n, g\u1ed1c ho\u1eb7c r\u1ec5.<\/p>\n

V\u1edbi c\u00e2y s\u1ea7u ri\u00eang, b\u1ed9 r\u1ec5 r\u1ea5t nh\u1ea1y c\u1ea3m v\u1edbi \u00fang n\u01b0\u1edbc. Khi r\u1ec5 b\u1ecb ngh\u1eb9t, thi\u1ebfu oxy ho\u1eb7c b\u1ecb t\u1ed5n th\u01b0\u01a1ng, c\u00e2y suy nhanh v\u00e0 d\u1ec5 b\u1ecb n\u1ea5m t\u1ea5n c\u00f4ng m\u1ea1nh h\u01a1n.<\/p>\n

4.2. Do tuy\u1ebfn tr\u00f9ng v\u00e0 th\u1ed1i r\u1ec5 l\u00e0m c\u00e2y suy y\u1ebfu t\u1eeb b\u00ean d\u01b0\u1edbi<\/h3>\n

M\u1ed9t \u0111i\u1ec3m b\u00e0 con c\u1ea7n ch\u00fa \u00fd l\u00e0 b\u1ec7nh x\u00ec m\u1ee7 tr\u00ean s\u1ea7u ri\u00eang nhi\u1ec1u khi kh\u00f4ng xu\u1ea5t hi\u1ec7n \u0111\u01a1n l\u1ebb. \u1ede nhi\u1ec1u v\u01b0\u1eddn, c\u00e2y v\u1eeba b\u1ecb x\u00ec m\u1ee7 th\u00e2n, v\u1eeba c\u00f3 bi\u1ec3u hi\u1ec7n v\u00e0ng l\u00e1, th\u1ed1i r\u1ec5, r\u1ec5 t\u01a1 k\u00e9m ph\u00e1t tri\u1ec3n ho\u1eb7c nghi ng\u1edd tuy\u1ebfn tr\u00f9ng g\u00e2y h\u1ea1i.<\/p>\n

Tuy\u1ebfn tr\u00f9ng t\u1ea5n c\u00f4ng r\u1ec5 l\u00e0m r\u1ec5 b\u1ecb t\u1ed5n th\u01b0\u01a1ng, gi\u1ea3m kh\u1ea3 n\u0103ng h\u00fat n\u01b0\u1edbc v\u00e0 dinh d\u01b0\u1ee1ng. Khi r\u1ec5 y\u1ebfu, c\u00e2y m\u1ea5t s\u1ee9c \u0111\u1ec1 kh\u00e1ng, n\u1ea5m h\u1ea1i trong \u0111\u1ea5t d\u1ec5 x\u00e2m nh\u1eadp v\u00e0 l\u00e0m b\u1ec7nh x\u00ec m\u1ee7, v\u00e0ng l\u00e1, th\u1ed1i r\u1ec5 n\u1eb7ng h\u01a1n.<\/p>\n

V\u00ec v\u1eady, n\u1ebfu c\u00e2y s\u1ea7u ri\u00eang v\u1eeba x\u00ec m\u1ee7 v\u1eeba v\u00e0ng l\u00e1, ch\u1eadm \u0111\u1ecdt, r\u1ec5 \u00edt t\u01a1, b\u00e0 con kh\u00f4ng n\u00ean ch\u1ec9 x\u1eed l\u00fd ph\u1ea7n th\u00e2n. C\u1ea7n ki\u1ec3m tra th\u00eam v\u00f9ng g\u1ed1c v\u00e0 b\u1ed9 r\u1ec5 \u0111\u1ec3 c\u00f3 h\u01b0\u1edbng x\u1eed l\u00fd to\u00e0n di\u1ec7n h\u01a1n.<\/p>\n

4.3. Do ch\u0103m s\u00f3c sai c\u00e1ch<\/h3>\n

M\u1ed9t s\u1ed1 th\u00f3i quen ch\u0103m s\u00f3c c\u00f3 th\u1ec3 l\u00e0m b\u1ec7nh d\u1ec5 b\u00f9ng ph\u00e1t h\u01a1n, nh\u01b0 t\u01b0\u1edbi qu\u00e1 nhi\u1ec1u n\u01b0\u1edbc, l\u00e0m b\u1ed3n gi\u1eef n\u01b0\u1edbc s\u00e1t g\u1ed1c, kh\u00f4ng t\u1ea1o r\u00e3nh tho\u00e1t n\u01b0\u1edbc, b\u00f3n th\u1eeba \u0111\u1ea1m ho\u1eb7c \u0111\u1ec3 v\u01b0\u1eddn qu\u00e1 r\u1eadm r\u1ea1p, thi\u1ebfu th\u00f4ng tho\u00e1ng.<\/p>\n

Ngo\u00e0i ra, vi\u1ec7c c\u1eaft t\u1ec9a kh\u00f4ng s\u00e1t khu\u1ea9n d\u1ee5ng c\u1ee5, l\u00e0m tr\u1ea7y x\u01b0\u1edbc th\u00e2n ho\u1eb7c \u0111\u1ec3 c\u1ecf r\u00e1c, t\u00e0n d\u01b0 b\u1ec7nh quanh g\u1ed1c c\u0169ng c\u00f3 th\u1ec3 l\u00e0m m\u1ea7m b\u1ec7nh l\u00e2y lan nhanh h\u01a1n.<\/p>\n

5. T\u00e1c h\u1ea1i n\u1ebfu kh\u00f4ng x\u1eed l\u00fd b\u1ec7nh k\u1ecbp th\u1eddi<\/h2>\n

B\u1ec7nh n\u1ee9t th\u00e2n x\u00ec m\u1ee7 kh\u00f4ng ch\u1ec9 l\u00e0m h\u01b0 ph\u1ea7n v\u1ecf b\u00ean ngo\u00e0i m\u00e0 c\u00f2n c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u00f4 d\u1eabn b\u00ean trong th\u00e2n c\u00e2y. Khi m\u00f4 d\u1eabn b\u1ecb t\u1ed5n th\u01b0\u01a1ng, c\u00e2y kh\u00f4ng v\u1eadn chuy\u1ec3n dinh d\u01b0\u1ee1ng t\u1ed1t, khi\u1ebfn l\u00e1 v\u00e0ng, c\u00e0nh kh\u00f4, r\u1ec5 suy v\u00e0 n\u0103ng su\u1ea5t gi\u1ea3m r\u00f5 r\u1ec7t.<\/p>\n

\u1ede v\u01b0\u1eddn \u0111ang mang tr\u00e1i, c\u00e2y b\u1ecb b\u1ec7nh c\u00f3 th\u1ec3 r\u1ee5ng tr\u00e1i non, nu\u00f4i tr\u00e1i k\u00e9m, tr\u00e1i ch\u1eadm l\u1edbn ho\u1eb7c ch\u1ea5t l\u01b0\u1ee3ng tr\u00e1i kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u. N\u1ebfu \u0111\u1ec3 b\u1ec7nh lan r\u1ed9ng, c\u00e2y c\u00f3 th\u1ec3 ch\u1ebft t\u1eebng ph\u1ea7n ho\u1eb7c ch\u1ebft c\u1ea3 c\u00e2y, \u0111\u1eb7c bi\u1ec7t trong m\u00f9a m\u01b0a ho\u1eb7c \u1edf nh\u1eefng v\u01b0\u1eddn \u0111\u1ea5t th\u1ea5p, tho\u00e1t n\u01b0\u1edbc k\u00e9m.<\/p>\n

Nguy hi\u1ec3m h\u01a1n, m\u1ea7m b\u1ec7nh c\u00f3 th\u1ec3 l\u00e2y lan qua n\u01b0\u1edbc m\u01b0a, d\u00f2ng ch\u1ea3y, d\u1ee5ng c\u1ee5 c\u1eaft t\u1ec9a, \u0111\u1ea5t b\u00e1m tr\u00ean gi\u00e0y d\u00e9p ho\u1eb7c t\u00e0n d\u01b0 c\u00e2y b\u1ec7nh. M\u1ed9t c\u00e2y b\u1ecb n\u1eb7ng n\u1ebfu kh\u00f4ng x\u1eed l\u00fd \u0111\u00fang c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh ngu\u1ed3n l\u00e2y cho nhi\u1ec1u c\u00e2y kh\u1ecfe xung quanh.<\/p>\n

6. C\u00e1ch x\u1eed l\u00fd b\u1ec7nh n\u1ee9t th\u00e2n x\u00ec m\u1ee7 s\u1ea7u ri\u00eang theo t\u1eebng b\u01b0\u1edbc<\/h2>\n