{"id":9171,"date":"2011-04-29T02:35:57","date_gmt":"2009-04-27T02:19:47","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2009\/04\/nghien-cuu-cac-giai-phap-khoa-hoc-cong-nghe-de-phat-trien-go-nguyen-lieu-cho-xuat-khau\/"},"modified":"2013-10-06T09:02:16","modified_gmt":"2013-10-06T02:02:16","slug":"nghien-cuu-cac-giai-phap-khoa-hoc-cong-nghe-de-phat-trien-go-nguyen-lieu-cho-xuat-khau","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/nghien-cuu-cac-giai-phap-khoa-hoc-cong-nghe-de-phat-trien-go-nguyen-lieu-cho-xuat-khau\/","title":{"rendered":"Nghi\u00ean c\u1ee9u c\u00e1c gi\u1ea3i ph\u00e1p khoa h\u1ecdc c\u00f4ng ngh\u1ec7 \u0111\u1ec3 ph\u00e1t tri\u1ec3n g\u1ed7 nguy\u00ean li\u1ec7u cho xu\u1ea5t kh\u1ea9u"},"content":{"rendered":"<p> <strong>Nguy\u1ec5n Huy S\u01a1n<\/strong> <\/p>\n<p> <em>Trung t\u00e2m Nghi\u00ean c\u1ee9u L\u00e2m \u0111\u1eb7c s\u1ea3n<\/em> <\/p>\n<p> <em>Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam<\/em> <\/p>\n<p> <em><\/em><strong>T\u00d3M T\u1eaeT<\/strong> <\/p>\n<p> Tr\u00ean \u0111\u1ea5t ph\u00f9 sa c\u1ed5 \u1edf khu v\u1ef1c \u0110\u00f4ng Nam B\u1ed9 tr\u1ed3ng th\u00e2m canh c\u00e2y Keo lai (<em>Acacia hybrid<\/em>) v\u1edbi c\u00e1c d\u00f2ng TB03, TB05, TB06 v\u00e0 TB12, b\u00f3n l\u00f3t 200gNPK (14 :8 :6) + 100g vi sinh h\u1eefu c\u01a1\/g\u1ed1c, b\u00f3n th\u00fac n\u0103m th\u1ee9 3 g\u1ed3m 200gNPK (14 :8 :6) v\u00e0 150g vi sinh h\u1eefu c\u01a1\/g\u1ed1c, m\u1eadt \u0111\u1ed9 tr\u1ed3ng t\u1eeb 1100-1300c\u00e2y\/ha cho n\u0103ng su\u1ea5t t\u1eeb 36-37m<sup>3<\/sup>\/ha\/n\u0103m. Tr\u1ed3ng Keo l\u00e1 tr\u00e0m (<em>A. auriculiformis<\/em>) v\u1edbi c\u00e1c d\u00f2ng a19, a33, a58 v\u00e0 a147, b\u00f3n l\u00f3t 15gNPK (5:10:3) k\u1ebft h\u1ee3p 300g vi sinh h\u1eefu c\u01a1, n\u0103m th\u1ee9 hai b\u00f3n l\u1eb7p l\u1ea1i t\u01b0\u01a1ng t\u1ef1 nh\u01b0 n\u0103m th\u1ee9 nh\u1ea5t, m\u1eadt \u0111\u1ed9 tr\u1ed3ng t\u1eeb 1100-1600c\u00e2y\/ha, sau 10-15 n\u0103m c\u00f3 th\u1ec3 \u0111\u1ea1t 18-20m<sup>3<\/sup>\/ha\/n\u0103m. Tr\u00ean \u0111\u1ea5t d\u1ed1c t\u1ee5 \u1edf \u0110\u00f4ng Nam b\u1ed9 tr\u1ed3ng Keo tai t\u01b0\u1ee3ng (<em>A. mangium <\/em>v\u1edbi c\u00e1c d\u00f2ng m35, m52, m113, m14, b\u00f3n l\u00f3t 150NPK (14:8:6) k\u1ebft h\u1ee3p v\u1edbi 300g vi sinh h\u1eefu c\u01a1, n\u0103m th\u1ee9 hai b\u00f3n l\u1eb7p l\u1ea1i nh\u01b0 n\u0103m th\u1ee9 nh\u1ea5t, sau 7-8 n\u0103m r\u1eebng tr\u1ed3ng Keo tai t\u01b0\u1ee3ng c\u00f3 th\u1ec3 \u0111\u1ea1t t\u1eeb 25-30m<sup>3<\/sup>\/ha\/n\u0103m. Tr\u00ean \u0111\u1ea5t feralit ph\u00e1t tri\u1ec3n tr\u00ean phi\u1ebfn th\u1ea1ch s\u00e9t ngh\u00e8o l\u00e2n \u1edf T\u00e2y Nguy\u00ean (KonCh\u2019Ro-Gia Lai), tr\u1ed3ng Keo lai (<em>Acacia hybrid<\/em>) g\u1ed3m c\u00e1c d\u00f2ng BV5, BV10 v\u00e0 VB33 v\u1edbi m\u1eadt \u0111\u1ed9 1600c\u00e2y\/ha, b\u00f3n l\u00f3t 100gNPK(5:10:3) v\u00e0 400g vi sinh h\u1eefu c\u01a1\/g\u1ed1c, n\u0103m th\u1ee9 2 b\u00f3n th\u00fac l\u01b0\u1ee3ng ph\u00e2n t\u01b0\u01a1ng t\u1ef1 nh\u01b0 b\u00f3n l\u00f3t, sau 7-8 n\u0103m c\u00f3 th\u1ec3 \u0111\u1ea1t \u226525m<sup>3<\/sup>\/ha. Tr\u00ean \u0111\u1ea5t feralit ph\u00e1t tri\u1ec3n tr\u00ean phi\u1ebfn th\u1ea1ch s\u00e9t \u1edf \u0110\u00f4ng H\u00e0 (Qu\u1ea3ng Tr\u1ecb), tr\u1ed3ng keo lai (<em>Acacia hybrid<\/em>) v\u1edbi c\u00e1c d\u00f2ng BV5, BV10 v\u00e0 BV33, b\u00f3n l\u00f3t 200gNPK(5:10:3) v\u00e0 100g vi sinh h\u1eefu c\u01a1\/g\u1ed1c, n\u0103m th\u1ee9 hai b\u00f3n l\u01b0\u1ee3ng ph\u00e2n v\u00e0 lo\u1ea1i ph\u00e2n t\u01b0\u01a1ng t\u1ef1 nh\u01b0 n\u0103m th\u1ee9 nh\u1ea5t, n\u0103m th\u1ee9 t\u01b0 b\u00f3n th\u1ee9c 300gNPK (5:10:3) k\u1ebft h\u1ee3p v\u1edbi 400g ph\u00e2n vi sinh h\u1eefu c\u01a1. Sau 7-8 n\u0103m r\u1eebng tr\u1ed3ng \u1edf \u0111\u00e2y c\u00f3 th\u1ec3 \u0111\u1ea1t \u226532m<sup>3<\/sup>\/ha\/n\u0103m. <\/p>\n<p> <strong>T\u1eeb kh\u00f3a:<\/strong>G\u1ed7 nguy\u00ean li\u1ec7u, r\u1eebng tr\u1ed3ng<strong><\/strong> <\/p>\n<p> <strong>I. \u0110\u1eb6T V\u1ea4N \u0110\u1ec0<\/strong> <\/p>\n<p> Th\u1ef1c t\u1ebf cho th\u1ea5y nhu c\u1ea7u s\u1eed d\u1ee5ng g\u1ed7 nguy\u00ean li\u1ec7u c\u1ee7a nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 ch\u1ebf bi\u1ebfn b\u1ed9t gi\u1ea5y, ch\u1ebf bi\u1ebfn v\u00e1n nh\u00e2n t\u1ea1o, ch\u1ebf bi\u1ebfn \u0111\u1ed3 m\u1ed9c xu\u1ea5t kh\u1ea9u ng\u00e0y c\u00e0ng gia t\u0103ng. D\u1ef1 b\u00e1o t\u1eeb 2010 \u0111\u1ebfn 2020 nhu c\u1ea7u s\u1eed d\u1ee5ng g\u1ed7 nguy\u00ean li\u1ec7u trong n\u01b0\u1edbc v\u00e0 xu\u1ea5t kh\u1ea9u r\u1ea5t l\u1edbn. Trong khi \u0111\u00f3, \u0111\u1ea5t gi\u00e0nh cho tr\u1ed3ng r\u1eebng hi\u1ec7n nay r\u1ea5t c\u00f3 h\u1ea1n ch\u1ebf, h\u1ea7u h\u1ebft l\u00e0 \u0111\u1ea5t tho\u00e1i ho\u00e1, n\u1ebfu tr\u1ed3ng r\u1eebng qu\u1ea3ng canh nh\u01b0 tr\u01b0\u1edbc \u0111\u00e2y th\u00ec n\u0103ng su\u1ea5t r\u1eebng tr\u1ed3ng r\u1ea5t th\u1ea5p kh\u00f4ng th\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u th\u1ef1c t\u1ebf ng\u00e0y c\u00e0ng t\u0103ng. \u0110\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u v\u1ec1 g\u1ed7 nguy\u00ean li\u1ec7u c\u0169ng nh\u01b0 g\u00f3p ph\u1ea7n v\u00e0o ti\u1ebfn tr\u00ecnh ph\u00e1t tri\u1ec3n chung c\u1ee7a n\u1ec1n kinh t\u1ebf qu\u1ed1c d\u00e2n, \u0110\u1ec1 t\u00e0i &#8220;<em>Nghi\u00ean c\u1ee9u c\u00e1c gi\u1ea3i ph\u00e1p khoa h\u1ecdc c\u00f4ng ngh\u1ec7 \u0111\u1ec3 ph\u00e1t tri\u1ec3n g\u1ed7 nguy\u00ean li\u1ec7u cho xu\u1ea5t kh\u1ea9u<\/em>&#8221; v\u1edbi m\u1ee5c ti\u00eau ch\u00ednh l\u00e0 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c gi\u1ed1ng v\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt th\u00e2m canh nh\u1eb1m n\u00e2ng cao n\u0103ng su\u1ea5t v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng g\u1ed7 r\u1eebng tr\u1ed3ng \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1eeb 2001-2005. N\u1ed9i dung \u0111\u1ec1 t\u00e0i r\u1ea5t phong ph\u00fa t\u1eeb k\u1ef9 thu\u1eadt gi\u1ed1ng cho \u0111\u1ebfn g\u00e2y tr\u1ed3ng v\u00e0 ch\u1ebf bi\u1ebfn c\u00e1c s\u1ea3n ph\u1ea9m t\u1eeb g\u1ed7, k\u1ebft qu\u1ea3 \u0111\u1ea1t \u0111\u01b0\u1ee3c kh\u00e1 r\u00f5 r\u00e0ng \u1edf nhi\u1ec1u v\u00f9ng sinh th\u00e1i kh\u00e1c nhau, t\u1eeb c\u00e1c t\u1ec9nh mi\u1ec1n n\u00fai ph\u00eda B\u1eafc t\u1edbi c\u00e1c t\u1ec9nh mi\u1ec1n \u0110\u00f4ng Nam B\u1ed9. Tuy nhi\u00ean, trong ph\u1ea1m vi gi\u1edbi h\u1ea1n b\u00e0i vi\u1ebft \u0111\u1ec3 ph\u1ee5c v\u1ee5 H\u1ed9i ngh\u1ecb khoa h\u1ecdc \u1edf c\u00e1c t\u1ec9nh ph\u00eda Nam, t\u00e1c gi\u1ea3 ch\u1ec9 t\u00f3m t\u1eaft m\u1ed9t s\u1ed1 k\u1ebft qu\u1ea3 n\u1ed5i b\u1eadt li\u00ean quan \u0111\u1ebfn gi\u1ea3i ph\u00e1p khoa h\u1ecdc c\u00f4ng ngh\u1ec7 tr\u1ed3ng r\u1eebng th\u00e2m canh m\u1ed9t s\u1ed1 lo\u00e0i c\u00e2y g\u1ed7 m\u1ecdc nhanh ph\u1ed5 bi\u1ebfn nh\u1ea5t t\u1eeb khu v\u1ef1c B\u1eafc Trung B\u1ed9 tr\u1edf v\u00e0o \u0110\u00f4ng Nam B\u1ed9 \u0111\u1ec3 c\u00f3 th\u1ec3 tham kh\u1ea3o v\u00e0 \u00e1p d\u1ee5ng trong nh\u1eefng \u0111i\u1ec1u ki\u1ec7n t\u01b0\u01a1ng t\u1ef1. <em>(K\u1ef7 y\u1ebfu <\/em> <\/p>\n<p> <em>H\u1ed9i ngh\u1ecb Khoa h\u1ecdc C\u00f4ng ngh\u1ec7 L\u00e2m nghi\u1ec7p v\u1edbi ph\u00e1t tri\u1ec3n r\u1eebng b\u1ec1n v\u1eefng v\u00e0 bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu, trang 148-159)<\/em><em><\/em> <\/p>\n","protected":false},"excerpt":{"rendered":"<p align=\"justify\">\n<span style=\"font-family: Arial; font-size: 10pt\">Tr&ecirc;n \u0111\u1ea5t ph&ugrave; sa c\u1ed5 \u1edf khu v\u1ef1c \u0110&ocirc;ng Nam B\u1ed9 tr\u1ed3ng th&acirc;m canh c&acirc;y Keo lai (<em>Acacia hybrid<\/em>) v\u1edbi c&aacute;c d&ograve;ng TB03, TB05, TB06 v&agrave; TB12, b&oacute;n l&oacute;t 200gNPK (14&nbsp;:8&nbsp;:6) + 100g vi sinh h\u1eefu c\u01a1\/g\u1ed1c, b&oacute;n th&uacute;c n\u0103m th\u1ee9 3 g\u1ed3m 200gNPK (14&nbsp;:8&nbsp;:6) v&agrave; 150g vi sinh h\u1eefu c\u01a1\/g\u1ed1c, m\u1eadt \u0111\u1ed9 tr\u1ed3ng t\u1eeb 1100-1300c&acirc;y\/ha cho n\u0103ng su\u1ea5t t\u1eeb 36-37m<sup>3<\/sup>\/ha\/n\u0103m. Tr\u1ed3ng Keo l&aacute; tr&agrave;m (<em>A. auriculiformis<\/em>) v\u1edbi c&aacute;c d&ograve;ng a19, a33, a58 v&agrave; a147, b&oacute;n l&oacute;t 15gNPK (5:10:3) k\u1ebft h\u1ee3p 300g vi sinh h\u1eefu c\u01a1, n\u0103m th\u1ee9 hai b&oacute;n l\u1eb7p l\u1ea1i t\u01b0\u01a1ng t\u1ef1 nh\u01b0 n\u0103m th\u1ee9 nh\u1ea5t, m\u1eadt \u0111\u1ed9 tr\u1ed3ng t\u1eeb 1100-1600c&acirc;y\/ha, sau 10-15 n\u0103m c&oacute; th\u1ec3 \u0111\u1ea1t 18-20m<sup>3<\/sup>\/ha\/n\u0103m. Tr&ecirc;n \u0111\u1ea5t d\u1ed1c t\u1ee5 \u1edf \u0110&ocirc;ng Nam b\u1ed9 tr\u1ed3ng Keo tai t\u01b0\u1ee3ng (<em>A. mangium <\/em>v\u1edbi c&aacute;c d&ograve;ng m35, m52, m113, m14, b&oacute;n l&oacute;t 150NPK (14:8:6) k\u1ebft h\u1ee3p v\u1edbi 300g vi sinh h\u1eefu c\u01a1, n\u0103m th\u1ee9 hai b&oacute;n l\u1eb7p l\u1ea1i nh\u01b0 n\u0103m th\u1ee9 nh\u1ea5t, sau 7-8 n\u0103m r\u1eebng tr\u1ed3ng Keo tai t\u01b0\u1ee3ng c&oacute; th\u1ec3 \u0111\u1ea1t t\u1eeb 25-30m<sup>3<\/sup>\/ha\/n\u0103m. <\/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\/9171"}],"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=9171"}],"version-history":[{"count":3,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9171\/revisions"}],"predecessor-version":[{"id":11018,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9171\/revisions\/11018"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9171"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9171"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9171"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}