{"id":9760,"date":"2012-02-20T02:13:08","date_gmt":"2012-02-19T19:13:08","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2012\/02\/mot-so-ket-qua-nghien-cuu-bien-phap-ky-thuat-trong-cay-may-nep-calamus-tetradactylus-hance-o-phia-tay-ha-noi\/"},"modified":"2013-10-06T09:02:36","modified_gmt":"2013-10-06T02:02:36","slug":"mot-so-ket-qua-nghien-cuu-bien-phap-ky-thuat-trong-cay-may-nep-calamus-tetradactylus-hance-o-phia-tay-ha-noi","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/mot-so-ket-qua-nghien-cuu-bien-phap-ky-thuat-trong-cay-may-nep-calamus-tetradactylus-hance-o-phia-tay-ha-noi\/","title":{"rendered":"M\u1ed9t s\u1ed1 k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt tr\u1ed3ng c\u00e2y M\u00e2y n\u1ebfp (Calamus tetradactylus Hance) \u1edf ph\u00eda T\u00e2y H\u00e0 N\u1ed9i"},"content":{"rendered":"<p> <strong><\/strong><strong>L\u00ea V\u0103n Th\u00e0nh<\/strong> <\/p>\n<p> <em>Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam<\/em> <\/p>\n<p> <strong>T\u00d3M T\u1eaeT<\/strong> <\/p>\n<p> Sau 2,4 n\u0103m g\u00e2y tr\u1ed3ng nghi\u00ean c\u1ee9u m\u1ed9t s\u1ed1 bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt tr\u1ed3ng c\u00e2y M\u00e2y n\u1ebfp <em>(Calamus tetradactylus<\/em> Hance) \u1edf ph\u00eda T\u00e2y H\u00e0 N\u1ed9i cho th\u1ea5y: M\u00e2y n\u1ebfp tr\u1ed3ng d\u01b0\u1edbi \u0111\u1ed9 t\u00e0n che 0,5 c\u00f3 \u0111\u01b0\u1eddng k\u00ednh g\u1ed1c to h\u01a1n tr\u1ed3ng d\u01b0\u1edbi \u0111\u1ed9 t\u00e0n che 0,3; m\u1ee9c ch\u00eanh l\u1ec7ch n\u00e0y r\u1ea5t nh\u1ecf (ch\u1ec9 t\u00ednh b\u1eb1ng mm). Chi\u1ec1u cao v\u00e0 t\u1ef7 l\u1ec7 \u0111\u1ebb nh\u00e1nh c\u1ee7a c\u00e2y M\u00e2y n\u1ebfp \u1edf \u0111\u1ed9 t\u00e0n che 0,3 cao h\u01a1n r\u00f5 r\u1ec7t \u1edf \u0111\u1ed9 t\u00e0n che 0,5. \u0110\u1ec3 M\u00e2y n\u1ebfp sinh tr\u01b0\u1edfng nhanh, c\u00f3 t\u1ef7 l\u1ec7 \u0111\u1ebb nh\u00e1nh cao, khi tr\u1ed3ng (d\u01b0\u1edbi 1 n\u0103m tu\u1ed5i) c\u1ea7n c\u00f3 \u0111\u1ed9 t\u00e0n che t\u1eeb 0,4-0,5; khi c\u00e2y tr\u1ed3ng \u0111\u01b0\u1ee3c h\u01a1n 1 n\u0103m tu\u1ed5i c\u1ea7n m\u1edf t\u00e1n \u0111\u1ed9 t\u00e0n che th\u00edch h\u1ee3p \u1edf m\u1ee9c 0,3. M\u00e2y n\u1ebfp \u0111\u01b0\u1ee3c b\u00f3n 0,2kg ph\u00e2n NPK\/n\u0103m (5-10-3) cho sinh tr\u01b0\u1edfng \u0111\u01b0\u1eddng k\u00ednh g\u1ed1c, chi\u1ec1u cao v\u00e0 t\u1ef7 l\u1ec7 \u0111\u1ebb nh\u00e1nh cao h\u01a1n b\u00f3n l\u00e2n v\u00e0 b\u00f3n \u0111\u1ea1m. M\u00e2y n\u1ebfp \u0111\u01b0\u1ee3c ch\u0103m s\u00f3c 4 l\u1ea7n\/n\u0103m cho sinh tr\u01b0\u1edfng chi\u1ec1u cao v\u00e0 t\u1ef7 l\u1ec7 \u0111\u1ebb nh\u00e1nh cao h\u01a1n r\u00f5 r\u1ec7t M\u00e2y n\u1ebfp \u0111\u01b0\u1ee3c ch\u0103m s\u00f3c 2 l\u1ea7n\/n\u0103m. <\/p>\n<p> <strong>T\u1eeb kh\u00f3a:<\/strong> M\u00e2y n\u1ebfp, k\u1ef9 thu\u1eadt tr\u1ed3ng, \u0111\u1ed9 t\u00e0n che, b\u00f3n ph\u00e2n. <\/p>\n<p> <strong>\u0110\u1eb6T V\u1ea4N \u0110\u1ec0<\/strong><strong><\/strong> <\/p>\n<p> M\u00e2y n\u1ebfp l\u00e0 lo\u00e0i c\u00e2y cho nguy\u00ean li\u1ec7u quan tr\u1ecdng \u0111\u1ec3 s\u1ea3n xu\u1ea5t s\u1ea3n ph\u1ea9m m\u1ef9 ngh\u1ec7 d\u00f9ng trong n\u01b0\u1edbc v\u00e0 xu\u1ea5t kh\u1ea9u. C\u00e1c s\u1ea3n ph\u1ea9m l\u00e0m t\u1eeb M\u00e2y n\u1ebfp c\u1ee7a n\u01b0\u1edbc ta \u0111\u00e3 \u0111\u01b0\u1ee3c xu\u1ea5t kh\u1ea9u sang nhi\u1ec1u n\u01b0\u1edbc v\u00e0 v\u00f9ng l\u00e3nh th\u1ed5 nh\u01b0 Ch\u00e2u \u00c2u, M\u1ef9, Nh\u1eadt, Singapo, H\u1ed3ng K\u00f4ng, \u0110\u00e0i Loan, vv. M\u1ed7i n\u0103m \u01b0\u1edbc t\u00ednh n\u01b0\u1edbc ta c\u1ea7n kho\u1ea3ng 15.000 t\u1ea5n m\u00e2y nguy\u00ean li\u1ec7u \u0111\u1ec3 l\u00e0m h\u00e0ng xu\u1ea5t kh\u1ea9u, ch\u01b0a k\u1ec3 \u0111\u1ebfn nhu c\u1ea7u s\u1eed d\u1ee5ng \u1edf trong n\u01b0\u1edbc (Tr\u1ea7n C\u00f4ng Huy\u1ec1n, 2007).  <\/p>\n<p> M\u1ea5y n\u0103m g\u1ea7n \u0111\u00e2y, c\u00f9ng v\u1edbi s\u1ef1 t\u0103ng tr\u01b0\u1edfng c\u1ee7a c\u1ea3 n\u01b0\u1edbc v\u1ec1 xu\u1ea5t kh\u1ea9u h\u00e0ng th\u1ee7 c\u00f4ng m\u00e2y tre \u0111an, th\u00e0nh ph\u1ed1 H\u00e0 N\u1ed9i m\u1edf r\u1ed9ng v\u1edbi khu v\u1ef1c H\u00e0 T\u00e2y c\u0169 l\u00e0 m\u1ed9t trong nh\u1eefng trung t\u00e2m s\u1ea3n xu\u1ea5t h\u00e0ng m\u00e2y tre \u0111an c\u1ee7a v\u00f9ng ch\u00e2u th\u1ed5 s\u00f4ng H\u1ed3ng. N\u0103m 2000, to\u00e0n t\u1ec9nh H\u00e0 T\u00e2y c\u0169 \u0111\u00e3 s\u1ea3n xu\u1ea5t \u0111\u01b0\u1ee3c 35.350.000 s\u1ea3n ph\u1ea9m m\u00e2y tre \u0111an, kim ng\u1ea1ch xu\u1ea5t kh\u1ea9u \u0111\u1ea1t 324.300 USD. N\u0103m 2005 t\u0103ng l\u00ean 87.950.000 s\u1ea3n ph\u1ea9m, kim ng\u1ea1ch xu\u1ea5t kh\u1ea9u \u0111\u1ea1t 8.363.000 USD. Nh\u01b0 v\u1eady, n\u0103m 2005 s\u1ed1 s\u1ea3n ph\u1ea9m h\u00e0ng m\u00e2y tre \u0111an c\u1ee7a t\u1ec9nh H\u00e0 T\u00e2y c\u0169 t\u0103ng g\u1ea5p 2,5 l\u1ea7n, kim ng\u1ea1ch xu\u1ea5t kh\u1ea9u t\u0103ng g\u1ea7n g\u1ea5p 26 l\u1ea7n n\u0103m 2000. Tr\u00e1i ng\u01b0\u1ee3c v\u1edbi s\u1ea3n ph\u1ea9m v\u00e0 kim ng\u1ea1ch xu\u1ea5t kh\u1ea9u t\u0103ng h\u00e0ng n\u0103m th\u00ec nguy\u00ean li\u1ec7u m\u00e2y song \u0111\u01b0\u1ee3c khai th\u00e1c \u1edf khu v\u1ef1c H\u00e0 T\u00e2y c\u0169 l\u1ea1i gi\u1ea3m qua c\u00e1c n\u0103m (Ni\u00ean gi\u00e1m th\u1ed1ng k\u00ea t\u1ec9nh H\u00e0 T\u00e2y n\u0103m 2005). Do \u0111\u00f3, nguy\u00ean li\u1ec7u m\u00e2y cung c\u1ea5p cho khu v\u1ef1c n\u00e0y h\u00e0ng n\u0103m ch\u1ee7 y\u1ebfu t\u1eeb c\u00e1c t\u1ec9nh kh\u00e1c v\u1ec1. \u0110i\u1ec1u \u0111\u00f3 d\u1eabn \u0111\u1ebfn vi\u1ec7c chi ph\u00ed \u0111\u1ea7u v\u00e0o cao h\u01a1n, thu nh\u1eadp c\u1ee7a ng\u01b0\u1eddi gia c\u00f4ng ch\u1ebf bi\u1ebfn gi\u1ea3m. V\u00ec v\u1eady, c\u1ea7n thi\u1ebft ph\u1ea3i nghi\u00ean c\u1ee9u bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt tr\u1ed3ng c\u00e2y M\u00e2y n\u1ebfp tr\u00ean \u0111i\u1ec1u ki\u1ec7n \u0111\u1ea5t \u0111ai ph\u00f9 h\u1ee3p \u1edf ph\u00eda T\u00e2y H\u00e0 N\u1ed9i \u0111\u00e1p \u1ee9ng nhu c\u1ea7u nguy\u00ean li\u1ec7u t\u1ea1i ch\u1ed7. <\/p>\n<p> <em>(K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u khoa h\u1ecdc c\u00f4ng ngh\u1ec7 giai \u0111o\u1ea1n 2006-2010, trang 196-203)<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p align=\"justify\">\n<span style=\"font-family: Arial; letter-spacing: 0.3pt; font-size: 10pt\">M&acirc;y n\u1ebfp l&agrave; lo&agrave;i c&acirc;y cho nguy&ecirc;n li\u1ec7u quan tr\u1ecdng \u0111\u1ec3 s\u1ea3n xu\u1ea5t s\u1ea3n ph\u1ea9m m\u1ef9 ngh\u1ec7 d&ugrave;ng trong n\u01b0\u1edbc v&agrave; xu\u1ea5t kh\u1ea9u. C&aacute;c s\u1ea3n ph\u1ea9m l&agrave;m t\u1eeb M&acirc;y n\u1ebfp c\u1ee7a n\u01b0\u1edbc ta \u0111&atilde; \u0111\u01b0\u1ee3c xu\u1ea5t kh\u1ea9u sang nhi\u1ec1u n\u01b0\u1edbc v&agrave; v&ugrave;ng l&atilde;nh th\u1ed5 nh\u01b0 Ch&acirc;u &Acirc;u, M\u1ef9, Nh\u1eadt, Singapo, H\u1ed3ng K&ocirc;ng, \u0110&agrave;i Loan, vv.<\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[21],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9760"}],"collection":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/comments?post=9760"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9760\/revisions"}],"predecessor-version":[{"id":11212,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9760\/revisions\/11212"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9760"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9760"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9760"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}