{"id":27406,"date":"2020-11-20T16:21:00","date_gmt":"2020-11-20T09:21:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=27406"},"modified":"2021-11-05T15:31:44","modified_gmt":"2021-11-05T08:31:44","slug":"phan-bon-nha-cham-bon-mot-lan-cho-ca-vu-canh-tac","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/phan-bon-nha-cham-bon-mot-lan-cho-ca-vu-canh-tac\/","title":{"rendered":"Ph\u00e2n b\u00f3n nh\u1ea3 ch\u1eadm: B\u00f3n m\u1ed9t l\u1ea7n cho c\u1ea3 v\u1ee5 canh t\u00e1c"},"content":{"rendered":"\n

Ph\u00e2n b\u00f3n nh\u1ea3 ch\u1eadm th\u1ebf h\u1ec7 m\u1edbi do c\u00e1c nh\u00e0 khoa h\u1ecdc c\u1ee7a Vi\u1ec7n H\u00f3a h\u1ecdc (Vi\u1ec7n H\u00e0n l\u00e2m KH&CN Vi\u1ec7t Nam) nghi\u00ean c\u1ee9u v\u00e0 s\u1ea3n xu\u1ea5t kh\u00f4ng ch\u1ec9 gi\u00fap b\u00e0 con n\u00f4ng d\u00e2n ti\u1ebft ki\u1ec7m t\u1eeb 20-40% l\u01b0\u1ee3ng ph\u00e2n m\u00e0 c\u00f2n gi\u00fap t\u0103ng n\u0103ng su\u1ea5t c\u00e2y tr\u1ed3ng t\u1eeb 20-30%.<\/strong><\/p>\n\n\n\n

Tr\u00e1nh l\u00e3ng ph\u00ed ph\u00e2n b\u00f3n\u00a0\u00a0<\/strong><\/p>\n\n\n\n

L\u00e2u nay, ng\u01b0\u1eddi n\u00f4ng d\u00e2n \u0111\u00e3 quen v\u1edbi vi\u1ec7c s\u1eed d\u1ee5ng ph\u00e2n b\u00f3n \u0111\u1ec3 b\u1ed5 sung ch\u1ea5t dinh d\u01b0\u1ee1ng cho c\u00e2y tr\u1ed3ng nh\u01b0ng \u00edt ai \u0111\u1ec3 \u00fd \u0111\u1ebfn m\u1ed9t \u0111i\u1ec1u l\u00e0 th\u01b0\u1eddng s\u1eed d\u1ee5ng l\u01b0\u1ee3ng ph\u00e2n b\u00f3n v\u01b0\u1ee3t qu\u00e1 m\u1ee9c c\u1ea7n thi\u1ebft. Theo b\u00e1o c\u00e1o \u201cS\u1eed d\u1ee5ng ph\u00e2n b\u00f3n trong m\u1ed1i quan h\u1ec7 v\u1edbi s\u1ea3n xu\u1ea5t l\u01b0\u01a1ng th\u1ef1c, b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng v\u00e0 gi\u1ea3m ph\u00e1t th\u1ea3i nh\u00e0 k\u00ednh\u201d c\u1ee7a PGS.TS Ph\u1ea1m Quang H\u00e0 \u2013 Vi\u1ec7n M\u00f4i tr\u01b0\u1eddng N\u00f4ng nghi\u1ec7p v\u00e0 PGS.TS Nguy\u1ec5n V\u0103n B\u1ed9 – Vi\u1ec7n Khoa h\u1ecdc N\u00f4ng nghi\u1ec7p Vi\u1ec7t Nam (B\u1ed9 NN&PTNT) th\u00ec c\u00f3 kho\u1ea3ng 40-60% l\u01b0\u1ee3ng ph\u00e2n b\u00f3n m\u1ea5t \u0111i trong c\u00e1c h\u1ec7 th\u1ed1ng canh t\u00e1c, kh\u00f4ng nh\u1eefng g\u00e2y l\u00e3ng ph\u00ed (l\u00ean \u0111\u1ebfn nhi\u1ec1u tr\u0103m tri\u1ec7u \u0111\u00f4 la M\u1ef9 m\u1ed7i n\u0103m) m\u00e0 c\u00f2n l\u00e0m \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng, t\u0103ng ph\u00e1t th\u1ea3i kh\u00ed nh\u00e0 k\u00ednh. Do \u0111\u00f3, v\u1edbi m\u1ee9c s\u1eed d\u1ee5ng ph\u00e2n b\u00f3n l\u00e0 kho\u1ea3ng 11 tri\u1ec7u t\u1ea5n\/n\u0103m th\u00ec c\u00f3 kho\u1ea3ng 5 tri\u1ec7u t\u1ea5n ph\u00e2n b\u00f3n kh\u00f4ng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u00fang m\u1ee5c \u0111\u00edch, kh\u00f4ng ch\u1ec9 l\u00e3ng ph\u00ed m\u00e0 c\u00f2n g\u00e2y ra nguy c\u01a1 \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng. <\/p>\n\n\n\n

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H\u00ecnh \u1ea3nh vi\u00ean ph\u00e2n b\u00f3n nh\u1ea3 ch\u1eadm do Vi\u1ec7n H\u00f3a h\u1ecdc nghi\u00ean c\u1ee9u s\u1ea3n xu\u1ea5t. \u1ea2nh: Trung \u0110\u1ee9c<\/em>\u00a0<\/figcaption><\/figure><\/div>\n\n\n\n

Quan t\u00e2m \u0111\u1ebfn t\u00ecnh tr\u1ea1ng n\u00e0y, TS Nguy\u1ec5n Trung \u0110\u1ee9c, m\u1ed9t nh\u00e0 nghi\u00ean c\u1ee9u \u1edf Vi\u1ec7n H\u00f3a h\u1ecdc (Vi\u1ec7n H\u00e0n l\u00e2m KH&CN Vi\u1ec7t Nam), lu\u00f4n suy ngh\u0129 \u0111\u1ebfn m\u1ed9t gi\u1ea3i ph\u00e1p h\u1eefu hi\u1ec7u, c\u00f3 th\u1ec3 gi\u00fap ng\u01b0\u1eddi n\u00f4ng d\u00e2n gi\u1ea3m chi ph\u00ed \u0111\u1ea7u t\u01b0 v\u00e0 gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng. Anh nh\u1eadn th\u1ea5y, \u201cm\u1ed9t trong nh\u1eefng h\u01b0\u1edbng quan tr\u1ecdng nh\u1ea5t c\u00f3 nhi\u1ec1u tri\u1ec3n v\u1ecdng l\u00e0 nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n k\u1ef9 thu\u1eadt nh\u1ea3 ch\u1eadm trong \u0111\u00f3 ph\u00e2n b\u00f3n v\u00e0 c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng \u0111\u01b0\u1ee3c b\u1ecdc trong m\u1ed9t l\u1edbp v\u1ecf\u201d. Theo c\u00e1ch n\u00e0y, ph\u00e2n b\u00f3n v\u00e0 dinh d\u01b0\u1ee1ng \u0111\u01b0\u1ee3c nh\u1ea3 d\u1ea7n cho c\u00e2y h\u1ea5p th\u1ee5 s\u1ebd gi\u00fap tr\u00e1nh \u0111\u01b0\u1ee3c hi\u1ec7n t\u01b0\u1ee3ng r\u1eeda tr\u00f4i, kh\u00f4ng g\u00e2y l\u00e3ng ph\u00ed, gi\u1ea3m thi\u1ec3u nguy c\u01a1 \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng, ti\u1ebft ki\u1ec7m s\u1ee9c lao \u0111\u1ed9ng c\u0169ng nh\u01b0 chi ph\u00ed s\u1ea3n xu\u1ea5t.\u00a0<\/p>\n\n\n\n

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C\u00e1n b\u1ed9 c\u1ee7a Vi\u1ec7n H\u00f3a h\u1ecdc h\u01b0\u1edbng d\u1eabn b\u00e0 con s\u1eed d\u1ee5ng Ph\u00e2n b\u00f3n nh\u1ea3 ch\u1eadm t\u1ea1i v\u01b0\u1eddn ch\u00e8 Th\u00e1i Nguy\u00ean. \u1ea2nh: Trung \u0110\u1ee9c.\u00a0<\/em><\/figcaption><\/figure><\/div>\n\n\n\n

\u0110\u00e2y l\u00e0 c\u00e1ch l\u00e0m \u0111\u00e3 \u0111\u01b0\u1ee3c r\u1ea5t nhi\u1ec1u qu\u1ed1c gia c\u00f3 n\u1ec1n n\u00f4ng nghi\u1ec7p ti\u00ean ti\u1ebfn tr\u00ean th\u1ebf gi\u1edbi ch\u1ee9ng minh hi\u1ec7u qu\u1ea3 khi \u00e1p d\u1ee5ng trong th\u1ef1c t\u1ebf. Tuy nhi\u00ean \u1edf Vi\u1ec7t Nam, n\u00f3 m\u1edbi \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 \u0111\u01a1n v\u1ecb nghi\u00ean c\u1ee9u b\u1eaft \u0111\u1ea7u quan t\u00e2m nghi\u00ean c\u1ee9u v\u00e0 b\u01b0\u1edbc \u0111\u1ea7u c\u00f3 s\u1ea3n ph\u1ea9m nh\u01b0 ph\u00e2n ur\u00ea b\u1ecdc l\u01b0u hu\u1ef3nh c\u1ee7a H\u1ecdc vi\u1ec7n N\u00f4ng nghi\u1ec7p Vi\u1ec7t Nam v\u00e0 Vi\u1ec7n Th\u1ed5 nh\u01b0\u1ee1ng \u2013 N\u00f4ng h\u00f3a, ph\u00e2n b\u00f3n nh\u1ea3 ch\u1eadm d\u1ea1ng vi\u00ean n\u00e9n qu\u1ea3 b\u00e0ng cho c\u00e2y l\u00faa t\u1ea1i t\u1ec9nh B\u1eafc C\u1ea1n, ph\u00e2n NPK nh\u1ea3 ch\u1eadm tr\u00ean n\u1ec1n tinh b\u1ed9t bi\u1ebfn t\u00ednh c\u1ee7a Vi\u1ec7n Khoa h\u1ecdc V\u1eadt li\u1ec7u \u1ee9ng d\u1ee5ng, Ph\u00e2n con l\u01b0\u1eddi – t\u1ed5 h\u1ee3p ph\u00e2n vi\u00ean n\u00e9n nh\u1ea3 ch\u1eadm bao g\u1ed3m c\u00e1c nguy\u00ean t\u1ed1 \u0111a l\u01b0\u1ee3ng (NPK), c\u00e1c nguy\u00ean t\u1ed1 trung v\u00e0 vi l\u01b0\u1ee3ng ngo\u00e0i ra c\u00f2n b\u1ed5 sung c\u00e1c lo\u1ea1i d\u1ecbch chi\u1ebft t\u1eeb \u0111\u1ed9ng – th\u1ef1c v\u1eadt, \u0111\u1ea1m \u0111\u1ed9ng v\u1eadt c\u1ee7a C\u00f4ng ty Ph\u00e2n b\u00f3n M\u00f9a v\u00e0ng (Gia L\u00e2m, H\u00e0 N\u1ed9i).\u00a0\u00a0<\/p>\n\n\n\n

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M\u00f4 h\u00ecnh \u1ee9ng d\u1ee5ng ph\u00e2n b\u00f3n nh\u1ea3 ch\u1eadm cho v\u01b0\u1eddn tr\u1ed3ng b\u00ed xanh. \u1ea2nh: Trung \u0110\u1ee9c.<\/em>\u00a0<\/figcaption><\/figure><\/div>\n\n\n\n

Tuy nhi\u00ean, c\u00e1c s\u1ea3n ph\u1ea9m ph\u00e2n b\u00f3n nh\u1ea3 ch\u1eadm c\u1ee7a Vi\u1ec7t Nam c\u0169ng nh\u01b0 c\u1ee7a qu\u1ed1c t\u1ebf c\u00f3 m\u1eb7t tr\u00ean th\u1ecb tr\u01b0\u1eddng kh\u00f4ng h\u1eb3n \u0111\u00e3 ho\u00e0n h\u1ea3o. TS Nguy\u1ec5n Trung \u0110\u1ee9c ph\u00e2n t\u00edch, \u201cc\u00e1c lo\u1ea1i ph\u00e2n b\u00f3n nh\u1ea3 ch\u1eadm c\u1ee7a Vi\u1ec7t Nam c\u00f2n m\u1ed9t s\u1ed1 h\u1ea1n ch\u1ebf nh\u01b0 th\u1eddi gian nh\u1ea3 ch\u1eadm c\u00f2n ng\u1eafn, ch\u01b0a \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c v\u1edbi c\u00e2y tr\u1ed3ng d\u00e0i ng\u00e0y. Trong khi \u0111\u00f3, y\u00eau c\u1ea7u s\u1ea3n xu\u1ea5t c\u1ea7n ph\u00e2n b\u00f3n nh\u1ea3 ch\u1eadm c\u00f3 th\u1eddi gian nh\u1ea3 ch\u1ea5t dinh d\u01b0\u1ee1ng theo chu k\u1ef3 sinh tr\u01b0\u1edfng c\u1ee7a c\u00e2y tr\u1ed3ng\u2026 Ph\u00e2n b\u00f3n nh\u1ea3 ch\u1eadm nh\u1eadp kh\u1ea9u \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u n\u00e0y th\u00ec l\u1ea1i c\u00f3 nh\u01b0\u1ee3c \u0111i\u1ec3m l\u00e0 gi\u00e1 th\u00e0nh cao, b\u00ean c\u1ea1nh \u0111\u00f3 nhi\u1ec1u lo\u1ea1i ch\u01b0a ph\u00f9 h\u1ee3p v\u1edbi kh\u00ed h\u1eadu, th\u1ed5 nh\u01b0\u1ee1ng c\u1ee7a Vi\u1ec7t Nam\u201d.<\/p>\n\n\n\n

Tr\u00ean c\u01a1 s\u1edf \u0111\u00f3, anh v\u00e0 nh\u00f3m nghi\u00ean c\u1ee9u c\u1ee7a m\u00ecnh mong mu\u1ed1n gi\u1ea3i quy\u1ebft nh\u1eefng v\u1ea5n \u0111\u1ec1 t\u1ed3n t\u1ea1i trong b\u00e0i to\u00e1n ph\u00e2n b\u00f3n nh\u1ea3 ch\u1eadm b\u1eb1ng vi\u1ec7c x\u00e2y d\u1ef1ng m\u1ed9t quy tr\u00ecnh s\u1ea3n xu\u1ea5t t\u1ed1t, \u0111em l\u1ea1i ch\u1ea5t l\u01b0\u1ee3ng \u1ed5n \u0111\u1ecbnh v\u00e0 gi\u1ea3m thi\u1ec3u \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 c\u00f4ng \u0111o\u1ea1n s\u1ea3n xu\u1ea5t v\u00e0 gi\u1ea3m gi\u00e1 th\u00e0nh.\u00a0<\/p>\n\n\n\n

M\u0169i t\u00ean tr\u00fang hai \u0111\u00edch<\/strong><\/p>\n\n\n\n

\u0110\u1ec3 t\u1ea1o ra lo\u1ea1i ph\u00e2n b\u00f3n nh\u1ea3 ch\u1eadm nh\u01b0 mong mu\u1ed1n, nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 \u0111\u01b0a ra \u00fd t\u01b0\u1edfng thay th\u1ebf c\u00e1c lo\u1ea1i v\u1ecf b\u1ecdc b\u1eb1ng polyuretan (PU) hai th\u00e0nh ph\u1ea7n truy\u1ec1n th\u1ed1ng b\u1eb1ng v\u1ecf b\u1ecdc PU m\u1ed9t th\u00e0nh ph\u1ea7n \u0111\u00f3ng r\u1eafn b\u1eb1ng h\u01a1i \u1ea9m, c\u00f3 b\u1ed5 sung ch\u1ea5t mang \u0111\u1ec3 t\u0103ng hi\u1ec7u qu\u1ea3 gi\u1eef n\u01b0\u1edbc v\u00e0 ch\u1ea5t dinh d\u01b0\u1ee1ng khi ph\u00e2n \u0111\u01b0\u1ee3c b\u00f3n xu\u1ed1ng \u0111\u1ea5t.\u00a0 \u201cNguy\u00ean li\u1ec7u \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o ph\u1ed1i tr\u1ed9n, t\u1ea1o vi\u00ean, ph\u1ee7 m\u00e0ng, \u0111\u00f3ng g\u00f3i tr\u01b0\u1edbc khi \u0111\u01b0\u1ee3c \u0111\u01b0a \u0111\u1ebfn tay ng\u01b0\u1eddi n\u00f4ng d\u00e2n, trong \u0111\u00f3, nguy\u00ean li\u1ec7u l\u00f5i g\u1ed3m ph\u00e2n d\u1ec5 tan (nh\u01b0 ure, KCl, DAP, MAP…) v\u00e0 ch\u1ea5t mang (th\u01b0\u1eddng l\u00e0 kho\u00e1ng s\u00e9t c\u00f3 t\u00ednh d\u1ebbo, k\u1ebft d\u00ednh, d\u1ec5 d\u00e0ng cho qu\u00e1 tr\u00ecnh t\u1ea1o vi\u00ean. \u0110\u1ec3 t\u0103ng \u0111\u1ed9 b\u00e1m d\u00ednh cho vi\u00ean ph\u00e2n ch\u00fang t\u00f4i s\u1eed d\u1ee5ng th\u00eam tinh b\u1ed9t \u2013 \u0111\u00e2y l\u00e0 m\u1ed9t b\u00ed quy\u1ebft nh\u1ecf\u201d<\/em> \u2013 TS Nguy\u1ec5n Trung \u0110\u1ee9c chia s\u1ebb.\u00a0<\/p>\n\n\n\n

B\u00ean c\u1ea1nh \u0111\u00f3, vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh chi\u1ec1u d\u00e0y l\u1edbp v\u1ecf b\u1ecdc polyme khi\u1ebfn c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c th\u1eddi gian nh\u1ea3 ch\u1ea5t dinh d\u01b0\u1ee1ng theo chu tr\u00ecnh ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c c\u00e2y tr\u1ed3ng kh\u00e1c nhau. Khi \u0111\u00f3, l\u1edbp v\u1ecf c\u1ee7a ph\u00e2n b\u00f3n th\u1ea9m th\u1ea5u n\u01b0\u1edbc t\u1eeb ngo\u00e0i v\u00e0o trong, h\u00f2a tan ch\u1ea5t dinh d\u01b0\u1ee1ng r\u1ed3i khu\u1ebfch t\u00e1n ra ngo\u00e0i \u0111\u1ec3 cung c\u1ea5p cho c\u00e2y tr\u1ed3ng. TS Nguy\u1ec5n Trung \u0110\u1ee9c h\u1ed3 h\u1edfi n\u00f3i v\u1ec1 vai tr\u00f2 c\u1ee7a l\u1edbp v\u1ecf b\u1ecdc n\u00e0y: \u201cNh\u1edd v\u1eady, thay v\u00ec ph\u1ea3i b\u00f3n ph\u00e2n nhi\u1ec1u l\u1ea7n trong m\u1ed9t v\u1ee5 canh t\u00e1c, ng\u01b0\u1eddi n\u00f4ng d\u00e2n ch\u1ec9 c\u1ea7n b\u00f3n ph\u00e2n duy nh\u1ea5t m\u1ed9t l\u1ea7n\u201d. Do m\u1ed7i lo\u1ea1i c\u00e2y c\u00f3 chu k\u1ef3 sinh tr\u01b0\u1edfng c\u0169ng nh\u01b0 y\u00eau c\u1ea7u dinh d\u01b0\u1ee1ng kh\u00e1c nhau n\u00ean nh\u00f3m nghi\u00ean c\u1ee9u ph\u1ea3i th\u1ef1c hi\u1ec7n kh\u1ea3o s\u00e1t \u0111\u1ea5t v\u00e0 c\u00e2y tr\u1ed3ng \u0111\u1ec3 thi\u1ebft k\u1ebf th\u00e0nh ph\u1ea7n dinh d\u01b0\u1ee1ng (l\u00f5i ph\u00e2n) v\u00e0 \u0111\u1ed9 d\u00e0y c\u1ee7a v\u1ecf cho ph\u00f9 h\u1ee3p. \u0110\u01a1n c\u1eed nh\u01b0 \u0111\u1ec3 b\u00f3n cho c\u00e2y b\u00ed xanh, c\u00e1c nh\u00e0 khoa h\u1ecdc s\u1eed d\u1ee5ng ph\u00e2n b\u00f3n ure nh\u1ea3 ch\u1eadm c\u00f2n c\u00e1c v\u01b0\u1eddn ch\u00e8 \u1edf Th\u00e1i Nguy\u00ean, Ph\u00fa Th\u1ecd l\u1ea1i s\u1eed d\u1ee5ng ph\u00e2n b\u00f3n NPK nh\u1ea3 ch\u1eadm hay ph\u00e2n b\u00f3n nh\u1ea3 ch\u1eadm cho c\u00e2y actiso v\u00e0 \u0111\u01b0\u01a1ng quy t\u1ea1i L\u00e0o Cai.\u00a0 Kh\u1ea3o s\u00e1t v\u1ec1 th\u1eddi gian nh\u1ea3 c\u1ee7a ph\u00e2n b\u00f3n \u0111\u1ed1i v\u1edbi ph\u00e2n b\u00f3n NPK v\u1edbi c\u00e1c l\u1edbp v\u1ecf 30 \u00b5m, 50 \u00b5m v\u00e0 70 \u00b5m th\u00ec th\u1eddi gian nh\u1ea3 t\u01b0\u01a1ng \u1ee9ng l\u00e0 3 th\u00e1ng, 6 th\u00e1ng v\u00e0 9 th\u00e1ng. Nh\u01b0 v\u1eady t\u1ee9c l\u00e0 trong n\u1ebfu s\u1eed d\u1ee5ng ph\u00e2n b\u00f3n c\u00f3 l\u1edbp v\u1ecf 30 \u00b5m th\u00ec ph\u1ea3i 3 th\u00e1ng ng\u01b0\u1eddi n\u00f4ng d\u00e2n m\u1edbi c\u1ea7n b\u00f3n ph\u00e2n 1 l\u1ea7n. \u201cK\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m tr\u00ean 1 v\u1ee5 canh t\u00e1c cho th\u1ea5y, ng\u01b0\u1eddi n\u00f4ng d\u00e2n tr\u1ed3ng ch\u00e8 ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c t\u1eeb 20-40% so v\u1edbi li\u1ec1u b\u00f3n th\u00f4ng th\u01b0\u1eddng trong khi n\u0103ng su\u1ea5t t\u0103ng l\u00ean t\u1eeb 20-28%. \u1ede v\u01b0\u1eddn b\u00ed xanh, k\u1ebft qu\u1ea3 c\u0169ng r\u1ea5t kh\u1ea3 quan khi n\u0103ng su\u1ea5t t\u0103ng t\u1edbi 30% m\u00e0 ph\u00e2n b\u00f3n ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c 40%. Trong khi \u0111\u00f3, b\u00e0 con L\u00e0o Cai r\u1ea5t h\u00e0o h\u1ee9ng khi v\u01b0\u1eddn c\u00e2y actiso v\u00e0 \u0111\u01b0\u01a1ng quy cho n\u0103ng su\u1ea5t cao h\u01a1n 20% m\u00e0 l\u1ea1i ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c 20% l\u01b0\u1ee3ng ph\u00e2n b\u00f3n\u201d \u2013 TS Nguy\u1ec5n Trung \u0110\u1ee9c n\u00f3i.\u00a0\u00a0\u00a0<\/p>\n\n\n\n

Vi\u1ec7c th\u1eed nghi\u1ec7m tr\u00ean nhi\u1ec1u lo\u1ea1i c\u00e2y v\u1edbi nhi\u1ec1u v\u00f9ng kh\u00ed h\u1eadu v\u00e0 th\u1ed5 nh\u01b0\u1ee1ng kh\u00e1c nhau \u0111\u00e3 \u0111em l\u1ea1i cho c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u c\u1ee7a Vi\u1ec7n H\u00f3a h\u1ecdc nh\u1eefng th\u00f4ng s\u1ed1 quan tr\u1ecdng v\u1ec1 th\u00e0nh ph\u1ea7n nguy\u00ean li\u1ec7u, \u0111\u1ed9 d\u00e0y v\u1ecf\u2026, c\u01a1 s\u1edf quan tr\u1ecdng \u0111\u1ec3 h\u1ecd ho\u00e0n thi\u1ec7n quy tr\u00ecnh s\u1ea3n xu\u1ea5t ph\u00e2n b\u00f3n nh\u1ea3 ch\u1eadm ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c lo\u1ea1i c\u00e2y tr\u1ed3ng \u1edf t\u1eebng \u0111\u1ecba ph\u01b0\u01a1ng kh\u00e1c nhau.\u00a0<\/p>\n\n\n\n

Quy tr\u00ecnh s\u1ea3n xu\u1ea5t ph\u00e2n b\u00f3n nh\u1ea3 ch\u1eadm v\u00e0 ph\u00e2n b\u00f3n nh\u1ea3 ch\u1eadm thu \u0111\u01b0\u1ee3c t\u1eeb quy tr\u00ecnh n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c C\u1ee5c S\u1edf h\u1eefu tr\u00ed tu\u1ec7 c\u1ea5p b\u1eb1ng \u0111\u1ed9c quy\u1ec1n gi\u1ea3i ph\u00e1p h\u1eefu \u00edch s\u1ed1\u00a02-0002410\u00a0\u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 v\u00e0o ng\u00e0y 25\/9\/2020.<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Ngu\u1ed3n: B\u00edch Ng\u1ecdc- https:\/\/www.ipvietnam.gov.vn\/sang-che-viet\/-\/asset_publisher\/XzSH8lY4WRq7\/content\/phan-bon-nha-cham-bon-mot-lan-cho-ca-vu-canh-tac<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

Ph\u00e2n b\u00f3n nh\u1ea3 ch\u1eadm th\u1ebf h\u1ec7 m\u1edbi do c\u00e1c nh\u00e0 khoa h\u1ecdc c\u1ee7a Vi\u1ec7n H\u00f3a h\u1ecdc (Vi\u1ec7n H\u00e0n l\u00e2m KH&CN Vi\u1ec7t Nam) nghi\u00ean c\u1ee9u v\u00e0 s\u1ea3n xu\u1ea5t kh\u00f4ng ch\u1ec9 gi\u00fap b\u00e0 con n\u00f4ng d\u00e2n ti\u1ebft ki\u1ec7m t\u1eeb 20-40% l\u01b0\u1ee3ng ph\u00e2n m\u00e0 c\u00f2n gi\u00fap t\u0103ng n\u0103ng su\u1ea5t c\u00e2y tr\u1ed3ng t\u1eeb 20-30%. Tr\u00e1nh l\u00e3ng ph\u00ed ph\u00e2n b\u00f3n\u00a0\u00a0 […]<\/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-27406","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\/27406","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=27406"}],"version-history":[{"count":2,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/27406\/revisions"}],"predecessor-version":[{"id":29513,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/27406\/revisions\/29513"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=27406"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=27406"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=27406"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}