{"id":27453,"date":"2020-02-07T15:48:00","date_gmt":"2020-02-07T08:48:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=27453"},"modified":"2021-11-05T17:07:33","modified_gmt":"2021-11-05T10:07:33","slug":"he-thong-tuoi-ngam-tu-dong-cho-cay-trong","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/he-thong-tuoi-ngam-tu-dong-cho-cay-trong\/","title":{"rendered":"H\u1ec7 th\u1ed1ng t\u01b0\u1edbi ng\u1ea7m t\u1ef1 \u0111\u1ed9ng cho c\u00e2y tr\u1ed3ng"},"content":{"rendered":"\n

H\u1ec7 th\u1ed1ng t\u01b0\u1edbi ng\u1ea7m g\u1ed3m c\u00e1c \u1ed1ng d\u1eabn n\u01b0\u1edbc v\u00e0 c\u00e1c \u0111\u1ea7u x\u1ea3 t\u01b0\u1edbi \u0111\u01b0\u1ee3c \u0111\u1eb7t ng\u1ea7m d\u01b0\u1edbi l\u00f2ng \u0111\u1ea5t \u0111\u1ebfn t\u1eebng g\u1ed1c c\u00e2y c\u00f3 th\u1ec3 gi\u00fap k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng, l\u01b0\u1ee3ng n\u01b0\u1edbc t\u01b0\u1edbi \u0111\u1ec1u ph\u00eda d\u01b0\u1edbi s\u1ebd gi\u00fap cho r\u1ec5 c\u00e2y h\u1ea5p th\u1ee5 t\u1ed1t h\u01a1n l\u01b0\u1ee3ng n\u01b0\u1edbc v\u00e0 ph\u00e2n b\u00f3n, kh\u00f4ng g\u00e2y \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng ph\u00eda tr\u00ean m\u1eb7t \u0111\u1ea5t c\u0169ng nh\u01b0 kh\u00f4ng l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn qu\u00e1 tr\u00ecnh canh t\u00e1c ph\u00eda tr\u00ean.<\/strong><\/p>\n\n\n\n

Ng\u00e0y nay, nhu c\u1ea7u n\u01b0\u1edbc cho s\u1ea3n xu\u1ea5t v\u00e0 sinh ho\u1ea1t t\u0103ng m\u1ea1nh c\u00f9ng v\u1edbi bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu ng\u00e0y c\u00e0ng r\u00f5 r\u1ec7t v\u00e0 kh\u00f3 l\u01b0\u1eddng \u0111\u00e3 g\u00e2y s\u1ee9c \u00e9p thi\u1ebfu n\u01b0\u1edbc r\u1ea5t l\u1edbn cho s\u1ea3n xu\u1ea5t n\u00f4ng nghi\u1ec7p. Tr\u01b0\u1edbc b\u1ed1i c\u1ea3nh \u0111\u00f3, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u1edf tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Khoa h\u1ecdc T\u1ef1 nhi\u00ean, \u0110\u1ea1i h\u1ecdc Qu\u1ed1c gia (\u0110HQG) H\u00e0 N\u1ed9i \u0111\u00e3 \u0111\u1ec1 xu\u1ea5t h\u1ec7 th\u1ed1ng t\u01b0\u1edbi n\u01b0\u1edbc t\u1ef1 \u0111\u1ed9ng nh\u1eb1m ti\u1ebft ki\u1ec7m ngu\u1ed3n n\u01b0\u1edbc t\u01b0\u1edbi v\u00e0 ph\u00e2n b\u00f3n m\u00e0 v\u1eabn t\u0103ng n\u0103ng su\u1ea5t c\u00e2y tr\u1ed3ng. <\/p>\n\n\n\n

N\u01b0\u1edbc gi\u00fap c\u00e2y tr\u1ed3ng sinh tr\u01b0\u1edfng, th\u1ef1c hi\u1ec7n c\u00e1c qu\u00e1 tr\u00ecnh quang h\u1ee3p, trao \u0111\u1ed5i ch\u1ea5t, \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng kh\u00f4ng th\u1ec3 thay th\u1ebf v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e2y tr\u1ed3ng, tuy nhi\u00ean v\u1ea5n \u0111\u1ec1 \u0111\u1eb7t ra l\u00e0 l\u01b0\u1ee3ng n\u01b0\u1edbc t\u01b0\u1edbi cho c\u00e2y bao nhi\u00eau l\u00e0 v\u1eeba \u0111\u1ee7?<\/p>\n\n\n\n

C\u00e1c h\u1ec7 th\u1ed1ng cung c\u1ea5p n\u01b0\u1edbc cho c\u00e2y tr\u1ed3ng hi\u1ec7n nay kh\u00e1 \u0111a d\u1ea1ng t\u00f9y thu\u1ed9c v\u00e0o t\u1eebng m\u00f4 h\u00ecnh v\u00e0 t\u1eebng lo\u1ea1i c\u00e2y. Ch\u1eb3ng h\u1ea1n, nh\u1eefng th\u1eeda ru\u1ed9ng tr\u1ed3ng l\u00faa th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng h\u1ec7 th\u1ed1ng k\u00eanh m\u01b0\u01a1ng v\u00e0 b\u1edd ru\u1ed9ng \u0111\u1ec3 \u0111i\u1ec1u ti\u1ebft n\u01b0\u1edbc m\u1eb7t ru\u1ed9ng. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c nhu c\u1ea7u t\u01b0\u1edbi cho di\u1ec7n t\u00edch canh t\u00e1c l\u1edbn, gi\u1ea3m \u0111\u01b0\u1ee3c nhi\u1ec1u chi ph\u00ed cho h\u1ea1 t\u1ea7ng c\u01a1 s\u1edf, nh\u01b0ng nh\u00ecn chung ch\u1ec9 th\u00edch h\u1ee3p v\u1edbi quy m\u00f4 l\u1edbn v\u00e0 c\u00e1c lo\u1ea1i c\u00e2y b\u00e1n c\u1ea1n ho\u1eb7c ng\u1eadp n\u01b0\u1edbc, v\u00e0 th\u1ef1c t\u1ebf \u0111ang g\u1eb7p r\u1ea5t nhi\u1ec1u kh\u00f3 kh\u0103n khi t\u1ed1n k\u00e9m m\u1ed9t l\u01b0\u1ee3ng n\u01b0\u1edbc r\u1ea5t l\u1edbn do th\u1ea5t tho\u00e1t tr\u00ean \u0111\u01b0\u1eddng d\u1eabn c\u0169ng nh\u01b0 do b\u1ed1c h\u01a1i n\u01b0\u1edbc.<\/p>\n\n\n\n

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C\u00e1ch th\u1ee9c cung c\u1ea5p n\u01b0\u1edbc cho c\u00e2y tr\u1ed3ng hi\u1ec7n nay kh\u00e1 \u0111a d\u1ea1ng t\u00f9y thu\u1ed9c v\u00e0o t\u1eebng m\u00f4 h\u00ecnh v\u00e0 t\u1eebng lo\u1ea1i c\u00e2y. \u1ea2nh: Q.Nhi\u00ean<\/em><\/figcaption><\/figure><\/div>\n\n\n\n

\u0110\u1ed1i\u00a0v\u1edbi nh\u1eefng th\u1ea3m th\u1ef1c v\u1eadt\u00a0ho\u1eb7c\u00a0v\u01b0\u1eddn hoa c\u00e2y c\u1ea3nh, ng\u01b0\u1eddi ch\u0103m s\u00f3c th\u01b0\u1eddng s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p t\u01b0\u1edbi phun m\u01b0a. \u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p t\u01b0\u1edbi hi\u1ec7n \u0111\u1ea1i c\u00f3 t\u00e1c d\u1ee5ng t\u1ea1o \u0111\u1ed9 \u1ea9m v\u00e0 l\u00e0m m\u00e1t c\u00e2y, l\u01b0\u1ee3ng n\u01b0\u1edbc t\u01b0\u1edbi \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed1 kh\u00e1 \u0111\u1ed3ng \u0111\u1ec1u, k\u00edch th\u00edch sinh tr\u01b0\u1edfng v\u00e0 c\u00f3 th\u1ec3 ti\u1ebft ki\u1ec7m kho\u1ea3ng 30-35% so v\u1edbi ph\u01b0\u01a1ng ph\u00e1p t\u01b0\u1edbi n\u01b0\u1edbc v\u00e0o r\u00e3nh. Tuy nhi\u00ean, kinh ph\u00ed \u0111\u1ea7u t\u01b0 cho ph\u01b0\u01a1ng ph\u00e1p n\u00e0y kh\u00e1 cao, n\u01b0\u1edbc d\u1ec5 b\u1ecb b\u1ed1c h\u01a1i trong qu\u00e1 tr\u00ecnh phun, m\u1eb7t \u0111\u1ea5t \u0111\u01b0\u1ee3c l\u00e0m \u1ea9m l\u00e0m cho c\u1ecf d\u1ea1i d\u1ec5 ph\u00e1t tri\u1ec3n v\u00e0 \u0111\u1ea5t s\u1ebd b\u1ecb n\u00e9n ch\u1eb7t. N\u01b0\u1edbc \u0111\u1ecdng l\u1ea1i tr\u00ean l\u00e1 c\u00f3 th\u1ec3 g\u00e2y c\u1ea3n tr\u1edf qu\u00e1 tr\u00ecnh quang h\u1ee3p, trao \u0111\u1ed5i ch\u1ea5t, v\u1edbi c\u00e1c lo\u1ea1i c\u00e2y l\u00e1, t\u01b0\u1edbi phun r\u1ea5t d\u1ec5 l\u00e0m b\u1ee5i b\u00e1m v\u00e0o g\u00e2y kh\u00f3 kh\u0103n khi s\u1eed d\u1ee5ng. \u0110\u1eb7c bi\u1ec7t trong nh\u1eefng ng\u00e0y n\u1eafng, n\u01b0\u1edbc \u0111\u1ecdng tr\u00ean l\u00e1 s\u1ebd l\u00e0m l\u00e1\u00a0c\u00e2y b\u1ecb h\u00e9o. Ngo\u00e0i ra, ch\u1ea5t l\u01b0\u1ee3ng t\u01b0\u1edbi phun m\u01b0a c\u00f2n ph\u1ee5 thu\u1ed9c v\u00e0o y\u1ebfu t\u1ed1 th\u1eddi ti\u1ebft nh\u01b0 v\u1eadn t\u1ed1c hay h\u01b0\u1edbng gi\u00f3.\u00a0<\/p>\n\n\n\n

Xu\u1ea5t ph\u00e1t t\u1eeb nhu c\u1ea7u th\u1ef1c t\u1ebf tr\u00ean, nhi\u1ec1u h\u1ec7 th\u1ed1ng t\u01b0\u1edbi n\u01b0\u1edbc th\u00f4ng minh \u0111\u00e3 \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u v\u00e0 \u1ee9ng d\u1ee5ng. Tuy nhi\u00ean, nh\u1eefng h\u1ec7 th\u1ed1ng \u0111\u00f3 v\u1eabn t\u1ed3n t\u1ea1i nhi\u1ec1u nh\u01b0\u1ee3c \u0111i\u1ec3m, ch\u1eb3ng h\u1ea1n nh\u01b0 vi\u1ec7c l\u01b0\u1ee3ng n\u01b0\u1edbc c\u00e2y c\u1ea7n, th\u1eddi gian sinh tr\u01b0\u1edfng, thu ho\u1ea1ch cho m\u1ed7i lo\u1ea1i c\u00e2y l\u00e0 kh\u00f4ng gi\u1ed1ng nhau v\u00ec th\u1ebf h\u1ec7 th\u1ed1ng s\u1ebd g\u1eb7p kh\u00f3 kh\u0103n trong qu\u00e1 tr\u00ecnh ph\u00e2n ph\u1ed1i n\u01b0\u1edbc sao cho h\u1ee3p l\u00fd v\u1edbi t\u1eebng lo\u1ea1i c\u00e2y; ho\u1eb7c h\u1ec7 th\u1ed1ng cung c\u1ea5p n\u01b0\u1edbc t\u01b0\u1edbi n\u1ed5i tr\u00ean m\u1eb7t \u0111\u1ea5t g\u00e2y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn vi\u1ec7c canh t\u00e1c v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a \u1ed1ng, \u0111\u1ed3ng th\u1eddi vi\u1ec7c th\u1ea5m n\u01b0\u1edbc t\u1eeb b\u1ec1 m\u1eb7t \u0111\u1ebfn r\u1ec5 c\u00e2y v\u1eabn g\u00e2y ra th\u1ea5t tho\u00e1t m\u1ed9t l\u01b0\u1ee3ng n\u01b0\u1edbc nh\u1ea5t \u0111\u1ecbnh m\u00e0 c\u00e2y tr\u1ed3ng kh\u00f4ng h\u1ea5p th\u1ee5 \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n

V\u1edbi mong mu\u1ed1n kh\u1eafc ph\u1ee5c nh\u1eefng nh\u01b0\u1ee3c \u0111i\u1ec3m tr\u00ean, TS L\u00ea Quang Th\u1ea3o, gi\u1ea3ng vi\u00ean khoa V\u1eadt l\u00fd, \u0110\u1ea1i h\u1ecdc Khoa h\u1ecdc T\u1ef1 nhi\u00ean, \u0110HQG H\u00e0 N\u1ed9i c\u00f9ng c\u00e1c c\u1ed9ng s\u1ef1 \u0111\u00e3 ti\u1ebfn h\u00e0nh nghi\u00ean c\u1ee9u \u0111\u1ec3 t\u00ecm ra m\u1ed9t gi\u1ea3i ph\u00e1p k\u1ebft h\u1ee3p \u1ee9ng d\u1ee5ng nh\u1eefng c\u00f4ng ngh\u1ec7 m\u1edbi ph\u1ee5c v\u1ee5 vi\u1ec7c t\u01b0\u1edbi n\u01b0\u1edbc ng\u1ea7m tr\u1ef1c ti\u1ebfp \u0111\u1ebfn khu v\u1ef1c r\u1ec5 c\u00e2y, \u0111\u1ed3ng th\u1eddi k\u1ebft h\u1ee3p b\u00f3n ph\u00e2n v\u00e0o n\u01b0\u1edbc t\u01b0\u1edbi m\u1ed9t c\u00e1ch t\u1ef1 \u0111\u1ed9ng nh\u1eb1m ti\u1ebft ki\u1ec7m ngu\u1ed3n n\u01b0\u1edbc t\u01b0\u1edbi, gi\u1ea3m s\u1ee9c lao \u0111\u1ed9ng v\u00e0 qu\u00e1 tr\u00ecnh b\u00f3n ph\u00e2n cho c\u00e2y tr\u1ed3ng.<\/p>\n\n\n\n

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S\u01a1 \u0111\u1ed3 h\u1ec7 th\u1ed1ng t\u01b0\u1edbi ng\u1ea7m k\u1ebft h\u1ee3p b\u00f3n ph\u00e2n t\u1ef1 \u0111\u1ed9ng. \u1ea2nh: Nh\u00f3m nghi\u00ean c\u1ee9u<\/em><\/figcaption><\/figure><\/div>\n\n\n\n

H\u1ec7 th\u1ed1ng t\u01b0\u1edbi ng\u1ea7m k\u1ebft h\u1ee3p b\u00f3n ph\u00e2n t\u1ef1 \u0111\u1ed9ng theo gi\u1ea3i ph\u00e1p n\u00e0y c\u00f3 th\u1ec3 t\u00ednh to\u00e1n ch\u00ednh x\u00e1c l\u01b0\u1ee3ng n\u01b0\u1edbc b\u1ed1c h\u01a1i kh\u1ecfi m\u1eb7t \u0111\u1ea5t v\u00e0 l\u01b0\u1ee3ng n\u01b0\u1edbc trong \u0111\u1ea5t xem c\u00f3 \u0111\u1ee7 \u0111\u1ec3 duy tr\u00ec cho c\u00e2y tr\u1ed3ng c\u00f3 th\u1ec3 sinh tr\u01b0\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n hay kh\u00f4ng, c\u00e1c th\u00f4ng tin n\u00e0y \u0111\u01b0\u1ee3c truy\u1ec1n v\u1ec1 kh\u1ed1i x\u1eed l\u00fd trung t\u00e2m (xem h\u00ecnh 2, v\u1ecb tr\u00ed s\u1ed1 10) \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n c\u00f4ng su\u1ea5t c\u00e1c b\u1ed9 ph\u1eadn cung c\u1ea5p, \u0111i\u1ec1u ti\u1ebft n\u01b0\u1edbc t\u01b0\u1edbi \u0111\u1ed3ng th\u1eddi b\u1ed5 sung ph\u00e2n b\u00f3n theo c\u00e1c th\u1eddi k\u00ec sinh tr\u01b0\u1edfng kh\u00e1c nhau c\u1ee7a c\u00e2y m\u1ed9t c\u00e1ch t\u1ef1 \u0111\u1ed9ng ho\u00e0n to\u00e0n ho\u1eb7c ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 can thi\u1ec7p th\u1ee7 c\u00f4ng b\u1eb1ng tay.\u00a0<\/p>\n\n\n\n

B\u1ed9 ph\u1eadn cung c\u1ea5p n\u01b0\u1edbc g\u1ed3m b\u1ed9 \u0111i\u1ec1u khi\u1ec3n t\u1ef1 \u0111\u1ed9ng \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n m\u00e1y b\u01a1m b\u01a1m n\u01b0\u1edbc l\u00ean b\u1ec3 ch\u1ee9a n\u01b0\u1edbc c\u00f3 t\u00edch h\u1ee3p c\u1ea3m bi\u1ebfn ph\u00e1t hi\u1ec7n m\u1ee9c n\u01b0\u1edbc \u0111\u1ea3m b\u1ea3o cho n\u01b0\u1edbc d\u1ef1 tr\u1eef \u1edf m\u1ee9c \u0111\u1ed9 ph\u00f9 h\u1ee3p nh\u1ea5t; \u0111i k\u00e8m theo l\u00e0 b\u1ed9 cung c\u1ea5p ngu\u1ed3n \u0111i\u1ec7n bao g\u1ed3m ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng t\u1eeb t\u1ea5m pin n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi, pin d\u1ef1 ph\u00f2ng v\u00e0 \u0111i\u1ec7n l\u01b0\u1edbi, b\u1ed9 ki\u1ec3m so\u00e1t n\u0103ng l\u01b0\u1ee3ng pin d\u1ef1 ph\u00f2ng v\u00e0 chuy\u1ec3n \u0111\u1ed5i ngu\u1ed3n \u0111i\u1ec7n. <\/p>\n\n\n\n

TS L\u00ea Quang Th\u1ea3o c\u0169ng nh\u1eadn th\u1ea5y c\u00e1c \u1ed1ng d\u1eabn n\u01b0\u1edbc v\u00e0 c\u00e1c \u0111\u1ea7u x\u1ea3 t\u01b0\u1edbi \u0111\u01b0\u1ee3c \u0111\u1eb7t ng\u1ea7m d\u01b0\u1edbi l\u00f2ng \u0111\u1ea5t \u0111\u1ebfn t\u1eebng g\u1ed1c c\u00e2y c\u00f3 th\u1ec3 gi\u00fap k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng, l\u01b0\u1ee3ng n\u01b0\u1edbc t\u01b0\u1edbi \u0111\u1ec1u ph\u00eda d\u01b0\u1edbi s\u1ebd gi\u00fap cho r\u1ec5 c\u00e2y h\u1ea5p th\u1ee5 t\u1ed1t h\u01a1n l\u01b0\u1ee3ng n\u01b0\u1edbc v\u00e0 ph\u00e2n b\u00f3n, kh\u00f4ng g\u00e2y \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng ph\u00eda tr\u00ean m\u1eb7t \u0111\u1ea5t c\u0169ng nh\u01b0 kh\u00f4ng l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn qu\u00e1 tr\u00ecnh canh t\u00e1c ph\u00eda tr\u00ean. <\/p>\n\n\n\n

Ngo\u00e0i ra, nh\u00f3m nghi\u00ean c\u1ee9u c\u00f2n t\u00ecm ra m\u1ed9t h\u01b0\u1edbng \u0111i m\u1edbi: k\u1ebft h\u1ee3p b\u1ed5 sung ph\u00e2n b\u00f3n v\u00e0o n\u01b0\u1edbc t\u01b0\u1edbi gi\u00fap c\u00e2y h\u1ea5p th\u1ee5 nhanh h\u01a1n, tr\u00e1nh l\u00e3ng ph\u00ed v\u00e0 kh\u00f4ng g\u00e2y \u00f4 nhi\u1ec5m so v\u1edbi b\u00f3n tr\u00ean m\u1eb7t \u0111\u1ea5t, \u0111\u1ed3ng th\u1eddi ti\u1ebft ki\u1ec7m s\u1ee9c lao \u0111\u1ed9ng. B\u1ed9 \u0111i\u1ec1u khi\u1ec3n b\u00f3n ph\u00e2n g\u1ed3m b\u00ecnh tr\u1ed9n c\u00f3 c\u1ea3m bi\u1ebfn ph\u00e1t hi\u1ec7n ph\u00e2n b\u00f3n (v\u1ecb tr\u00ed s\u1ed1 20) \u0111\u1ec3 ch\u1ee9a ph\u00e2n b\u00f3n b\u1ed5 sung v\u00e0o n\u01b0\u1edbc t\u01b0\u1edbi, b\u1ed9 \u0111i\u1ec1u khi\u1ec3n van \u0111i\u1ec7n x\u1ea3 n\u01b0\u1edbc v\u00e0o b\u00ecnh tr\u1ed9n ph\u00e2n b\u00f3n (v\u1ecb tr\u00ed s\u1ed1 18) \u0111\u1ec3 h\u00f2a tan ph\u00e2n b\u00f3n v\u00e0o n\u01b0\u1edbc t\u01b0\u1edbi; tr\u01b0\u1edbc khi dung d\u1ecbch ph\u00e2n b\u00f3n \u0111i v\u00e0o b\u1ed9 h\u00f2a tan dung d\u1ecbch ph\u00e2n b\u00f3n v\u00e0 n\u01b0\u1edbc t\u01b0\u1edbi (v\u1ecb tr\u00ed s\u1ed1 21) s\u1ebd \u0111\u01b0\u1ee3c m\u00e0ng l\u1ecdc gi\u1eef l\u1ea1i r\u00e1c v\u00e0 l\u00e1 c\u00e2y nh\u1eb1m h\u1ea1n ch\u1ebf vi\u1ec7c g\u00e2y t\u1eafc \u1ed1ng d\u1eabn n\u01b0\u1edbc ch\u00ednh, n\u01b0\u1edbc t\u01b0\u1edbi c\u00f3 ph\u00e2n b\u00f3n s\u1ebd \u0111\u01b0\u1ee3c d\u1eabn \u0111\u1ebfn c\u00e1c \u1ed1ng th\u1ee9 c\u1ea5p (v\u1ecb tr\u00ed s\u1ed1 9) \u0111\u01b0a \u0111\u1ebfn c\u00e1c \u1ed1ng d\u1eabn quanh g\u1ed1c c\u00e2y (v\u1ecb tr\u00ed s\u1ed1 7); v\u00e0 c\u00e1c \u0111\u1ea7u x\u1ea3 nh\u1ecf gi\u1ecdt ng\u1ea7m d\u01b0\u1edbi l\u00f2ng \u0111\u1ea5t (v\u1ecb tr\u00ed s\u1ed1 8).<\/p>\n\n\n\n

Hi\u1ec7n nay, h\u1ec7 th\u1ed1ng t\u01b0\u1edbi ng\u1ea7m k\u1ebft h\u1ee3p b\u00f3n ph\u00e2n t\u1ef1 \u0111\u1ed9ng theo gi\u1ea3i ph\u00e1p h\u1eefu \u00edch c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng \u0111\u1ec3 ch\u0103m s\u00f3c c\u00e2y \u1edf c\u00e1c \u0111\u1ecba h\u00ecnh kh\u00e1c nhau: c\u1ecf \u1edf s\u00e2n \u0111\u00e1 b\u00f3ng; c\u00e1c v\u00f9ng \u0111\u1ea5t d\u1ed1c, ru\u1ed9ng b\u1eadc thang; t\u01b0\u1edbi c\u00e2y c\u00f4ng c\u1ed9ng \u1edf c\u00e1c th\u00e0nh ph\u1ed1; phun thu\u1ed1c di\u1ec7t c\u1ecf cho c\u00e1c n\u00f4ng tr\u01b0\u1eddng tr\u1ed3ng c\u00e2y \u0103n qu\u1ea3\u2026<\/p>\n\n\n\n

Nghi\u00ean c\u1ee9u n\u00e0y kh\u1edfi \u0111\u1ed9ng t\u1eeb n\u0103m 2017 v\u00e0 \u0111\u00e3 \u0111\u01b0\u1ee3c C\u1ee5c S\u1edf h\u1eefu tr\u00ed tu\u1ec7 (B\u1ed9 Khoa h\u1ecdc v\u00e0 C\u00f4ng ngh\u1ec7) c\u1ea5p b\u1eb1ng \u0111\u1ed9c quy\u1ec1n gi\u1ea3i ph\u00e1p h\u1eefu \u00edch s\u1ed1\u00a02-0002107\u00a0c\u00f4ng b\u1ed1 ng\u00e0y 25\/9\/2019.<\/p>\n\n\n\n

Ngu\u1ed3n: Anh Th\u01b0- https:\/\/www.ipvietnam.gov.vn\/tin-tuc-su-kien\/-\/asset_publisher\/7xsjBfqhCDAV\/content\/he-thong-tuoi-ngam-ket-hop-bon-phan-tu-ong?inheritRedirect=false<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

H\u1ec7 th\u1ed1ng t\u01b0\u1edbi ng\u1ea7m g\u1ed3m c\u00e1c \u1ed1ng d\u1eabn n\u01b0\u1edbc v\u00e0 c\u00e1c \u0111\u1ea7u x\u1ea3 t\u01b0\u1edbi \u0111\u01b0\u1ee3c \u0111\u1eb7t ng\u1ea7m d\u01b0\u1edbi l\u00f2ng \u0111\u1ea5t \u0111\u1ebfn t\u1eebng g\u1ed1c c\u00e2y c\u00f3 th\u1ec3 gi\u00fap k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng, l\u01b0\u1ee3ng n\u01b0\u1edbc t\u01b0\u1edbi \u0111\u1ec1u ph\u00eda d\u01b0\u1edbi s\u1ebd gi\u00fap cho r\u1ec5 c\u00e2y h\u1ea5p th\u1ee5 t\u1ed1t h\u01a1n l\u01b0\u1ee3ng n\u01b0\u1edbc v\u00e0 ph\u00e2n b\u00f3n, […]<\/p>\n","protected":false},"author":25,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-27453","post","type-post","status-publish","format-standard","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/27453","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/users\/25"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=27453"}],"version-history":[{"count":2,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/27453\/revisions"}],"predecessor-version":[{"id":29532,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/27453\/revisions\/29532"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=27453"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=27453"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=27453"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}