{"id":4251,"date":"2015-10-26T13:35:36","date_gmt":"2015-10-26T06:35:36","guid":{"rendered":"http:\/\/ttud.com.vn\/?p=4251"},"modified":"2017-09-28T23:18:24","modified_gmt":"2017-09-28T16:18:24","slug":"nghien-cuu-bao-quan-trai-cay-sau-thu-hoach","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/nghien-cuu-bao-quan-trai-cay-sau-thu-hoach\/","title":{"rendered":"Nghi\u00ean c\u1ee9u b\u1ea3o qu\u1ea3n tr\u00e1i c\u00e2y sau thu ho\u1ea1ch"},"content":{"rendered":"

Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc C\u1ea7n Th\u01a1 \u0111\u00e3 v\u00e0 \u0111ang th\u1ef1c hi\u1ec7n m\u1ed9t s\u1ed1 c\u00f4ng tr\u00ecnh nghi\u00ean c\u1ee9u v\u1ec1 b\u1ea3o qu\u1ea3n tr\u00e1i c\u00e2y sau thu ho\u1ea1ch. Nh\u1eefng nghi\u00ean c\u1ee9u n\u00e0y s\u1ebd g\u00f3p ph\u1ea7n m\u1edf h\u01b0\u1edbng ph\u00e1t tri\u1ec3n m\u1edbi cho th\u1ecb tr\u01b0\u1eddng tr\u00e1i c\u00e2y \u1edf \u0110\u1ed3ng b\u1eb1ng s\u00f4ng C\u1eedu Long<\/strong><\/p>\n

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Tr\u00e1i qu\u00fdt h\u1ed3ng \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n trong bao PE c\u00f3 \u0111\u1ee5c 5 l\u1ed7, m\u1ed7i l\u1ed7 c\u00f3 \u0111\u01b0\u1eddng k\u00ednh 1mm.<\/em>
\n \u1ea2nh t\u01b0 li\u1ec7u c\u1ee7a Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc C\u1ea7n Th\u01a1.<\/em><\/p>\n

Hi\u1ec7n nay, \u1edf \u0110\u1ed3ng b\u1eb1ng s\u00f4ng C\u1eedu Long (\u0110BSCL), ch\u1ec9 c\u00f3 m\u1ed9t s\u1ed1 doanh nghi\u1ec7p l\u1edbn v\u00e0 c\u00e1c si\u00eau th\u1ecb c\u00f3 ph\u01b0\u01a1ng th\u1ee9c t\u1ed3n tr\u1eef tr\u00e1i c\u00e2y \u1edf nhi\u1ec7t \u0111\u1ed9 l\u1ea1nh. C\u00f2n l\u1ea1i, \u0111a s\u1ed1 c\u00e1c v\u1ef1a thu mua tr\u00e1i c\u00e2y c\u0169ng nh\u01b0 n\u00f4ng d\u00e2n \u0111\u1ec1u thu ho\u1ea1ch v\u00e0 b\u00e1n tr\u00e1i c\u00e2y theo t\u1eadp qu\u00e1n, kh\u00f4ng c\u00f3 qui tr\u00ecnh b\u1ea3o qu\u1ea3n sau thu ho\u1ea1ch. \u0110i\u1ec1u n\u00e0y g\u00e2y \u1ea3nh h\u01b0\u1edfng kh\u00f4ng nh\u1ecf \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m v\u00e0 hi\u1ec7u qu\u1ea3 kinh t\u1ebf. \u0110\u1ec3 kh\u1eafc ph\u1ee5c t\u00ecnh tr\u1ea1ng n\u00e0y, Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc C\u1ea7n Th\u01a1 \u0111\u00e3 v\u00e0 \u0111ang th\u1ef1c hi\u1ec7n m\u1ed9t s\u1ed1 c\u00f4ng tr\u00ecnh nghi\u00ean c\u1ee9u v\u1ec1 b\u1ea3o qu\u1ea3n tr\u00e1i c\u00e2y sau thu ho\u1ea1ch<\/strong>. Nh\u1eefng nghi\u00ean c\u1ee9u n\u00e0y s\u1ebd g\u00f3p ph\u1ea7n m\u1edf h\u01b0\u1edbng ph\u00e1t tri\u1ec3n m\u1edbi cho th\u1ecb tr\u01b0\u1eddng tr\u00e1i c\u00e2y \u1edf \u0110BSCL.<\/p>\n

N\u00f4ng tr\u01b0\u1eddng S\u00f4ng H\u1eadu hi\u1ec7n c\u00f3 150.000 c\u00e2y xo\u00e0i c\u00e1t H\u00f2a L\u1ed9c, trung b\u00ecnh, m\u1ed7i h\u1ed9 c\u00f3 80-100 c\u00e2y. V\u1edbi s\u1ea3n l\u01b0\u1ee3ng h\u00e0ng n\u0103m l\u00ean \u0111\u1ebfn c\u1ea3 h\u00e0ng ngh\u00ecn t\u1ea5n xo\u00e0i s\u1ea3n ph\u1ea9m, N\u00f4ng tr\u01b0\u1eddng h\u01b0\u1edbng t\u1edbi qui tr\u00ecnh thu ho\u1ea1ch v\u00e0 b\u1ea3o qu\u1ea3n xo\u00e0i c\u00f3 qui m\u00f4 c\u1ee7a m\u1ed9t ph\u00e2n x\u01b0\u1edfng ph\u00e2n lo\u1ea1i, \u0111\u00f3ng g\u00f3i, b\u1ea3o qu\u1ea3n tr\u00e1i c\u00e2y t\u01b0\u01a1i ch\u00ednh qui. N\u00f4ng tr\u01b0\u1eddng \u0111\u00e3 h\u1ee3p t\u00e1c v\u1edbi Vi\u1ec7n Nghi\u00ean c\u1ee9u v\u00e0 Ph\u00e1t tri\u1ec3n C\u00f4ng ngh\u1ec7 Sinh h\u1ecdc v\u00e0 B\u1ed9 m\u00f4n C\u00f4ng ngh\u1ec7 Th\u1ef1c ph\u1ea9m, Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc C\u1ea7n Th\u01a1 c\u00f9ng Vi\u1ec7n Nghi\u00ean c\u1ee9u C\u00e2y \u0103n qu\u1ea3 Mi\u1ec1n Nam nghi\u00ean c\u1ee9u th\u00e0nh c\u00f4ng qui tr\u00ecnh b\u1ea3o qu\u1ea3n xo\u00e0i sau thu ho\u1ea1ch b\u1eb1ng c\u00f4ng ngh\u1ec7 hi\u1ec7n \u0111\u1ea1i, \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t, gi\u00fap k\u00e9o d\u00e0i th\u1eddi gian t\u1ed3n tr\u1eef, \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u xu\u1ea5t kh\u1ea9u v\u00e0 ti\u00eau d\u00f9ng trong n\u01b0\u1edbc. Qui tr\u00ecnh n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c S\u1edf Khoa h\u1ecdc v\u00e0 C\u00f4ng ngh\u1ec7 TP C\u1ea7n Th\u01a1 nghi\u1ec7m thu \u0111\u1ea7u n\u0103m 2007.<\/p>\n

Ti\u1ebfn s\u0129 H\u00e0 Thanh To\u00e0n, Gi\u00e1m \u0111\u1ed1c Vi\u1ec7n Nghi\u00ean c\u1ee9u v\u00e0 Ph\u00e1t tri\u1ec3n C\u00f4ng ngh\u1ec7 Sinh h\u1ecdc, Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc C\u1ea7n Th\u01a1, cho bi\u1ebft: \u201cN\u1ebfu ti\u00eau th\u1ee5 trong n\u01b0\u1edbc, sau khi thu ho\u1ea1ch, xo\u00e0i \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i, \u0111\u00f3ng g\u00f3i, v\u1eadn chuy\u1ec3n v\u00e0 ph\u00e2n ph\u1ed1i \u0111\u1ebfn ng\u01b0\u1eddi ti\u00eau d\u00f9ng. N\u1ebfu xu\u1ea5t kh\u1ea9u, th\u00ec sau khi ph\u00e2n lo\u1ea1i, s\u1ebd ti\u1ebfn h\u00e0nh c\u00e1c b\u01b0\u1edbc x\u1eed l\u00fd, t\u1ed3n tr\u1eef (\u0111\u1ec3 v\u1eadn chuy\u1ec3n xa), l\u00e0m ch\u00edn, \u0111\u00f3ng g\u00f3i, r\u1ed3i m\u1edbi v\u1eadn chuy\u1ec3n v\u00e0 ph\u00e2n ph\u1ed1i \u0111\u1ebfn n\u01a1i ti\u00eau th\u1ee5\u201d<\/em>. Xo\u00e0i C\u00e1t H\u00f2a L\u1ed9c c\u00f3 v\u1ecf m\u1ecfng n\u00ean kh\u00f3 b\u1ea3o qu\u1ea3n l\u00e2u v\u00e0 v\u1eadn chuy\u1ec3n xa, g\u00e2y kh\u00f3 kh\u0103n cho vi\u1ec7c xu\u1ea5t kh\u1ea9u. Ti\u1ebfn s\u0129 To\u00e0n c\u00f9ng c\u00e1c c\u1ed9ng s\u1ef1 \u0111\u00e3 nghi\u00ean c\u1ee9u kh\u1eafc ph\u1ee5c h\u1ea1n ch\u1ebf tr\u00ean b\u1eb1ng c\u00e1ch x\u1eed l\u00fd ch\u1ea7n n\u01b0\u1edbc n\u00f3ng \u0111\u1ec3 ng\u0103n b\u1ec7nh th\u00e1n th\u01b0 v\u00e0 ru\u1ed3i \u0111\u1ee5c tr\u00e1i. Bi\u1ec7n ph\u00e1p n\u00e0y gi\u00fap \u0111\u1ea3m b\u1ea3o s\u1ea3n ph\u1ea9m \u0111\u1ea1t ch\u1ea5t l\u01b0\u1ee3ng theo y\u00eau c\u1ea7u ki\u1ec3m d\u1ecbch th\u1ef1c v\u1eadt cho c\u00e2y \u0103n tr\u00e1i. Sau \u0111\u00f3, tr\u00e1i \u0111\u01b0\u1ee3c nh\u00fang v\u00e0o dung d\u1ecbch Chitosan, t\u1ea1o n\u00ean m\u1ed9t l\u1edbp m\u00e0ng bao ph\u1ee7 m\u1ecfng c\u00f3 t\u00e1c d\u1ee5ng ch\u1ed1ng m\u1ea5t \u1ea9m, gi\u1ea3m hao h\u1ee5t tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 k\u00e9o d\u00e0i th\u1eddi gian t\u1ed3n tr\u1eef. Qua c\u00e1c th\u00ed nghi\u1ec7m, xo\u00e0i \u0111\u01b0\u1ee3c t\u1ed3n tr\u1eef t\u1ed1t nh\u1ea5t l\u00e0 \u1edf nhi\u1ec7t \u0111\u1ed9 l\u1ea1nh t\u1eeb 10-12oC. Ti\u1ebfn s\u0129 H\u00e0 Thanh To\u00e0n \u0111\u01b0a ra k\u1ebft lu\u1eadn: \u201cQua qu\u00e1 tr\u00ecnh x\u1eed l\u00fd v\u00e0 t\u1ed3n tr\u1eef, tr\u00e1i xo\u00e0i \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n t\u1ed1t nh\u1ea5t trong 4 tu\u1ea7n, th\u1eadm ch\u00ed c\u00f3 kh\u1ea3 n\u0103ng k\u00e9o d\u00e0i 6 tu\u1ea7n, c\u00f3 th\u1ec3 v\u1eadn chuy\u1ec3n v\u00e0 ph\u00e2n ph\u1ed1i \u0111i xa\u201d<\/em>. Theo th\u1ea1c s\u0129 L\u00ea V\u0103n B\u1eb1ng, Ch\u1ee7 nhi\u1ec7m C\u00e2u l\u1ea1c b\u1ed9 d\u1ecbch v\u1ee5 s\u1ea3n xu\u1ea5t Tr\u00e1i c\u00e2y c\u1ee7a N\u00f4ng tr\u01b0\u1eddng S\u00f4ng H\u1eadu, khi t\u00ecm \u0111\u01b0\u1ee3c th\u1ecb tr\u01b0\u1eddng xu\u1ea5t kh\u1ea9u \u1ed5n \u0111\u1ecbnh, n\u00f4ng tr\u01b0\u1eddng s\u1ebd x\u00e2y d\u1ef1ng nh\u00e0 x\u01b0\u1edfng, \u0111\u1ea7u t\u01b0 trang thi\u1ebft b\u1ecb \u0111\u1ec3 b\u1ea3o qu\u1ea3n xo\u00e0i theo qui tr\u00ecnh c\u00f4ng ngh\u1ec7 \u0111\u00e3 nghi\u00ean c\u1ee9u.<\/p>\n

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\nN\u0103m 2006, Ph\u00f3 Gi\u00e1o s\u01b0 ti\u1ebfn s\u0129 L\u00ea V\u0103n H\u00f2a, Ph\u00f3 Tr\u01b0\u1edfng Khoa N\u00f4ng nghi\u1ec7p v\u00e0 Sinh h\u1ecdc \u1ee8ng d\u1ee5ng, Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc C\u1ea7n Th\u01a1 v\u00e0 c\u00e1c c\u1ed9ng s\u1ef1 ti\u1ebfn h\u00e0nh nghi\u00ean c\u1ee9u qui tr\u00ecnh b\u1ea3o qu\u1ea3n sau thu ho\u1ea1ch c\u00e1c lo\u1ea1i tr\u00e1i c\u00e2y: qu\u00fdt \u0111\u01b0\u1eddng, b\u01b0\u1edfi N\u0103m Roi, cam s\u00e0nh, cam m\u1eadt v\u00e0 cam xo\u00e0n. \u0110\u00e2y l\u00e0 \u0111\u1ec1 t\u00e0i nghi\u00ean c\u1ee9u \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n theo y\u00eau c\u1ea7u c\u1ee7a S\u1edf Khoa h\u1ecdc v\u00e0 C\u00f4ng ngh\u1ec7 t\u1ec9nh H\u1eadu Giang. D\u1ef1 ki\u1ebfn, \u0111\u1ec1 t\u00e0i s\u1ebd \u0111\u01b0\u1ee3c nghi\u1ec7m thu v\u00e0o n\u0103m 2009. Ph\u00f3 Gi\u00e1o s\u01b0 ti\u1ebfn s\u0129 L\u00ea V\u0103n H\u00f2a cho bi\u1ebft: \u201cCh\u00fang t\u00f4i nghi\u00ean c\u1ee9u theo h\u01b0\u1edbng s\u1ea3n xu\u1ea5t tr\u00e1i c\u00e2y s\u1ea1ch n\u00ean th\u1ef1c hi\u1ec7n ph\u01b0\u01a1ng ph\u00e1p ph\u00f2ng tr\u1eeb sinh h\u1ecdc tr\u01b0\u1edbc v\u00e0 sau thu ho\u1ea1ch. C\u00e1c h\u00f3a ch\u1ea5t \u0111\u1ed9c h\u1ea1i \u0111\u01b0\u1ee3c h\u1ea1n ch\u1ebf s\u1eed d\u1ee5ng, thay v\u00e0o \u0111\u00f3 s\u1eed d\u1ee5ng c\u00e1c ch\u1ea5t kh\u00f4ng \u0111\u1ed9c h\u1ea1i nh\u01b0: d\u00f9ng n\u1ea5m \u0111\u1ed1i kh\u00e1ng \u0111\u1ec3 tr\u1ecb b\u1ec7nh, v\u00f4i, dung d\u1ecbch Chlorine (l\u00e0 ch\u1ea5t th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng trong x\u1eed l\u00fd n\u01b0\u1edbc sinh ho\u1ea1t)… Hi\u1ec7n nay, ch\u00fang t\u00f4i \u0111\u00e3 nghi\u00ean c\u1ee9u xong qui tr\u00ecnh b\u1ea3o qu\u1ea3n sau thu ho\u1ea1ch tr\u00e1i qu\u00fdt \u0111\u01b0\u1eddng; \u0111ang ti\u1ebfp t\u1ee5c nghi\u00ean c\u1ee9u qui tr\u00ecnh b\u1ea3o qu\u1ea3n c\u00e1c lo\u1ea1i tr\u00e1i c\u00e2y kh\u00e1c\u201d.<\/em><\/p>\n

Qua nhi\u1ec1u th\u00ed nghi\u1ec7m, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 \u0111\u01b0a ra qui tr\u00ecnh b\u1ea3o qu\u1ea3n tr\u00e1i qu\u00fdt \u0111\u01b0\u1eddng v\u1edbi th\u1eddi gian t\u1ed3n tr\u1eef \u0111\u1ebfn 8 tu\u1ea7n. \u0110\u00f3 l\u00e0 b\u1ea3o qu\u1ea3n tr\u00e1i b\u1eb1ng c\u00e1ch bao m\u00e0ng Chitosan \u1edf n\u1ed3ng \u0111\u1ed9 0,25% k\u1ebft h\u1ee3p v\u1edbi bao Polyethylene (PE) \u0111\u1ee5c 5 l\u1ed7 v\u1edbi \u0111\u01b0\u1eddng k\u00ednh m\u1ed7i l\u1ed7 1 mm v\u00e0 gh\u00e9p m\u00ed l\u1ea1i b\u1eb1ng m\u00e1y \u00e9p. Sau \u0111\u00f3, b\u1ea3o qu\u1ea3n \u1edf nhi\u1ec7t \u0111\u1ed9 120C. V\u1edbi ph\u01b0\u01a1ng ph\u00e1p n\u00e0y, ph\u1ea9m ch\u1ea5t b\u00ean trong tr\u00e1i nh\u01b0: h\u00e0m l\u01b0\u1ee3ng \u0111\u01b0\u1eddng, h\u00e0m l\u01b0\u1ee3ng vitamin C… lu\u00f4n \u1ed5n \u0111\u1ecbnh, t\u1ef7 l\u1ec7 hao h\u1ee5t tr\u1ecdng l\u01b0\u1ee3ng th\u1ea5p, m\u00e0u s\u1eafc v\u1ecf tr\u00e1i \u0111\u1ed3ng \u0111\u1ec1u v\u00e0 \u0111\u1eb9p. Ngo\u00e0i tr\u00e1i qu\u00fdt \u0111\u01b0\u1eddng, c\u00e1c nh\u00e0 khoa h\u1ecdc c\u0169ng nghi\u00ean c\u1ee9u th\u00eam qui tr\u00ecnh b\u1ea3o qu\u1ea3n tr\u00e1i qu\u00fdt h\u1ed3ng (qu\u00fdt Ti\u1ec1u) b\u1eb1ng c\u00e1ch b\u1ea3o qu\u1ea3n trong bao PE (nh\u01b0ng ch\u1ec9 \u0111\u1ee5c 3 l\u1ed7, m\u1ed7i l\u1ed7 1 mm) v\u00e0 b\u1ea3o qu\u1ea3n \u1edf nhi\u1ec7t \u0111\u1ed9 l\u1ea1nh (150C). qui tr\u00ecnh n\u00e0y cho ph\u00e9p th\u1eddi gian t\u1ed3n tr\u1eef k\u00e9o d\u00e0i \u0111\u1ebfn 9 tu\u1ea7n.<\/p>\n

Ph\u00f3 Gi\u00e1o s\u01b0 ti\u1ebfn s\u0129 L\u00ea V\u0103n H\u00f2a cho bi\u1ebft: \u201cS\u1eed d\u1ee5ng bao PE bao tr\u00e1i nh\u1eb1m h\u1ea1n ch\u1ebf s\u1ef1 b\u1ed1c h\u01a1i n\u01b0\u1edbc, l\u00e0m gi\u1ea3m b\u1edbt c\u01b0\u1eddng \u0111\u1ed9 h\u00f4 h\u1ea5p v\u00e0 sinh t\u1ed5ng h\u1ee3p ethylene… gi\u00fap k\u00e9o d\u00e0i th\u1eddi gian t\u1ed3n tr\u1eef tr\u00e1i. Bao tr\u00e1i b\u1eb1ng bao PE \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng kh\u00e1 ph\u1ed5 bi\u1ebfn tr\u00ean nhi\u1ec1u lo\u1ea1i tr\u00e1i c\u00e2y kh\u00e1c nhau, \u1edf nhi\u1ec1u n\u01a1i tr\u00ean th\u1ebf gi\u1edbi v\u00e0 \u0111\u1ea1t k\u1ebft qu\u1ea3 t\u1ed1t. B\u1ea3o qu\u1ea3n tr\u00e1i c\u00e2y trong nhi\u1ec7t \u0111\u1ed9 th\u1ea5p l\u00e0m cho tr\u00e1i ch\u00edn ch\u1eadm h\u01a1n, d\u01b0\u1ee1ng ch\u1ea5t trong tr\u00e1i \u0111\u01b0\u1ee3c duy tr\u00ec l\u00e2u h\u01a1n, h\u1ea1n ch\u1ebf c\u00e1c lo\u1ea1i n\u1ea5m b\u1ec7nh ph\u00e1t tri\u1ec3n, v\u1ecf tr\u00e1i \u00edt b\u1ecb nh\u0103n nheo… Tuy nhi\u00ean, m\u1ed7i lo\u1ea1i tr\u00e1i c\u00e2y c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u1ef1ng nh\u1eefng ng\u01b0\u1ee1ng nhi\u1ec7t \u0111\u1ed9 kh\u00e1c nhau. Do \u0111\u00f3, vi\u1ec7c nghi\u00ean c\u1ee9u \u0111\u1ec3 t\u00ecm ra ng\u01b0\u1ee1ng nhi\u1ec7t \u0111\u1ed9 t\u1ed1t nh\u1ea5t cho t\u1eebng lo\u1ea1i tr\u00e1i c\u00e2y l\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft\u201d.<\/em><\/p>\n

Tr\u01b0\u1edbc \u0111\u1ec1 t\u00e0i nghi\u00ean c\u1ee9u c\u1ee7a Ph\u00f3 Gi\u00e1o s\u01b0 ti\u1ebfn s\u0129 L\u00ea V\u0103n H\u00f2a, Ph\u00f3 Gi\u00e1o s\u01b0 ti\u1ebfn s\u0129 Nguy\u1ec5n B\u1ea3o V\u1ec7, Tr\u01b0\u1edfng B\u1ed9 m\u00f4n Khoa h\u1ecdc C\u00e2y tr\u1ed3ng, Khoa N\u00f4ng nghi\u1ec7p v\u00e0 Sinh h\u1ecdc \u1ee8ng d\u1ee5ng, Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc C\u1ea7n Th\u01a1 c\u00f9ng c\u00e1c c\u1ed9ng s\u1ef1 \u0111\u00e3 th\u1ef1c hi\u1ec7n \u0111\u1ec1 t\u00e0i \u201cNghi\u00ean c\u1ee9u b\u1ea3o qu\u1ea3n t\u01b0\u01a1i, k\u00e9o d\u00e0i th\u1eddi gian t\u1ed3n tr\u1eef tr\u00e1i cam s\u00e0nh, qu\u00fdt \u0111\u01b0\u1eddng v\u00e0 b\u01b0\u1edfi N\u0103m Roi t\u1ea1i C\u1ea7n Th\u01a1\u201d<\/strong><\/em>. \u0110\u1ec1 t\u00e0i th\u1ef1c hi\u1ec7n nhi\u1ec1u bi\u1ec7n ph\u00e1p \u0111\u1ec3 b\u1ea3o qu\u1ea3n tr\u00e1i c\u00e2y nh\u01b0: b\u1ea3o qu\u1ea3n \u1edf nhi\u1ec7t \u0111\u1ed9 l\u1ea1nh, s\u1eed d\u1ee5ng ch\u1ea5t tr\u00edch th\u1ea3o m\u1ed9c \u0111\u1ec3 ph\u00f2ng tr\u1eeb n\u1ea5m b\u1ec7nh h\u1ea1i, s\u1eed d\u1ee5ng bao PE, bao m\u00e0ng Chitosan\u2026 D\u1ef1 ki\u1ebfn, cu\u1ed1i n\u0103m 2007, \u0111\u1ec1 t\u00e0i s\u1ebd \u0111\u01b0\u1ee3c nghi\u1ec7m thu.<\/p>\n

Theo \u0111\u00e1nh gi\u00e1 c\u1ee7a c\u00e1c nh\u00e0 khoa h\u1ecdc, nh\u1eefng nghi\u00ean c\u1ee9u b\u1ea3o qu\u1ea3n tr\u00e1i c\u00e2y sau thu ho\u1ea1ch c\u00f3 th\u1ec3 \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c si\u00eau th\u1ecb v\u00ec n\u01a1i \u0111\u00e2y c\u00f3 ph\u00f2ng l\u1ea1nh v\u00e0 c\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u1ea7n thi\u1ebft \u0111\u1ec3 b\u1ea3o qu\u1ea3n tr\u00e1i c\u00e2y l\u00e2u d\u00e0i. Ngo\u00e0i ra, khi tr\u00e1i c\u00e2y Vi\u1ec7t Nam h\u01b0\u1edbng \u0111\u1ebfn th\u1ecb tr\u01b0\u1eddng xu\u1ea5t kh\u1ea9u th\u00ec vi\u1ec7c b\u1ea3o qu\u1ea3n tr\u00e1i sau thu ho\u1ea1ch \u0111\u1ec3 k\u00e9o d\u00e0i th\u1eddi gian t\u1ed3n tr\u1eef trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n l\u00e0 m\u1ed9t y\u00eau c\u1ea7u b\u1eaft bu\u1ed9c. Do \u0111\u00f3, nh\u1eefng c\u00f4ng tr\u00ecnh nghi\u00ean c\u1ee9u v\u1ec1 b\u1ea3o qu\u1ea3n tr\u00e1i c\u00e2y sau thu ho\u1ea1ch hi\u1ec7n nay l\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft, g\u00f3p ph\u1ea7n n\u00e2ng cao gi\u00e1 tr\u1ecb th\u01b0\u01a1ng ph\u1ea9m cho tr\u00e1i c\u00e2y tr\u00ean th\u1ecb tr\u01b0\u1eddng trong v\u00e0 ngo\u00e0i n\u01b0\u1edbc.<\/p>\n

C\u00c1T \u0110\u1eb0NG<\/em>
\n http:\/\/khoahoc.tv<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc C\u1ea7n Th\u01a1 \u0111\u00e3 v\u00e0 \u0111ang th\u1ef1c hi\u1ec7n m\u1ed9t s\u1ed1 c\u00f4ng tr\u00ecnh nghi\u00ean c\u1ee9u v\u1ec1 b\u1ea3o qu\u1ea3n tr\u00e1i c\u00e2y sau thu ho\u1ea1ch. Nh\u1eefng nghi\u00ean c\u1ee9u n\u00e0y s\u1ebd g\u00f3p ph\u1ea7n m\u1edf h\u01b0\u1edbng ph\u00e1t tri\u1ec3n m\u1edbi cho th\u1ecb tr\u01b0\u1eddng tr\u00e1i c\u00e2y \u1edf \u0110\u1ed3ng b\u1eb1ng s\u00f4ng C\u1eedu Long Tr\u00e1i qu\u00fdt h\u1ed3ng \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n trong bao […]<\/p>\n","protected":false},"author":17,"featured_media":4454,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-4251","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/4251","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\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=4251"}],"version-history":[{"count":2,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/4251\/revisions"}],"predecessor-version":[{"id":4455,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/4251\/revisions\/4455"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/4454"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=4251"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=4251"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=4251"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}