{"id":9279,"date":"2010-01-04T06:51:15","date_gmt":"2010-01-03T23:51:15","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2010\/01\/nghien-cuu-moi-quan-he-giua-cac-nhan-to-dieu-tra-cay-rieng-le-voi-duong-kinh-goc-lam-co-so-truy-tim-the-tich-nhung-cay-keo-tai-tuong-acacia-mangium-bi-mat-o-rung-trong-thuan-loai-deu-tuoi\/"},"modified":"2015-05-19T13:34:36","modified_gmt":"2015-05-19T06:34:36","slug":"nghien-cuu-moi-quan-he-giua-cac-nhan-to-dieu-tra-cay-rieng-le-voi-duong-kinh-goc-lam-co-so-truy-tim-the-tich-nhung-cay-keo-tai-tuong-acacia-mangium-bi-mat-o-rung-trong-thuan-loai-deu-tuoi","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/nghien-cuu-moi-quan-he-giua-cac-nhan-to-dieu-tra-cay-rieng-le-voi-duong-kinh-goc-lam-co-so-truy-tim-the-tich-nhung-cay-keo-tai-tuong-acacia-mangium-bi-mat-o-rung-trong-thuan-loai-deu-tuoi\/","title":{"rendered":"Nghi\u00ean c\u1ee9u m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c nh\u00e2n t\u1ed1 \u0111i\u1ec1u tra c\u00e2y ri\u00eang l\u1ebb v\u1edbi \u0111\u01b0\u1eddng k\u00ednh g\u1ed1c, l\u00e0m c\u01a1 s\u1edf truy t\u00ecm th\u1ec3 t\u00edch nh\u1eefng c\u00e2y Keo tai t\u01b0\u1ee3ng (Acacia mangium) b\u1ecb m\u1ea5t \u1edf r\u1eebng tr\u1ed3ng thu\u1ea7n lo\u00e0i \u0111\u1ec1u tu\u1ed5i"},"content":{"rendered":"

T\u1ea2I TO\u00c0N B\u1ed8 B\u00c0I B\u00c1O<\/a><\/p>\n

Ng\u00f4 Th\u1ebf Long <\/strong><\/p>\n

Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc H\u00f9ng V\u01b0\u01a1ng – Ph\u00fa Th\u1ecd<\/em><\/p>\n

T\u00d3M T\u1eaeT<\/strong><\/p>\n

Keo tai t\u01b0\u1ee3ng l\u00e0 lo\u00e0i c\u00e2y g\u1ed7 nh\u1ee1, sinh tr\u01b0\u1edfng nhanh, \u0111\u01b0\u1ee3c tr\u1ed3ng v\u1edbi s\u1ed1 l\u01b0\u1ee3ng l\u1edbn t\u1ea1i H\u00e0m Y\u00ean \u2013 Tuy\u00ean Quang. K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c nh\u00e2n t\u1ed1 \u0111i\u1ec1u tra th\u00e2n c\u00e2y v\u1edbi \u0111\u01b0\u1eddng k\u00ednh g\u1ed1c cho th\u1ea5y: gi\u1eefa \u0111\u01b0\u1eddng k\u00ednh ngang ng\u1ef1c v\u1edbi \u0111\u01b0\u1eddng k\u00ednh g\u1ed1c t\u1ed3n t\u1ea1i m\u1ed1i quan h\u1ec7 r\u1ea5t ch\u1eb7t ch\u1ebd (R > 0,9), gi\u1eefa chi\u1ec1u cao v\u1edbi \u0111\u01b0\u1eddng k\u00ednh g\u1ed1c c\u0169ng nh\u01b0 \u0111\u01b0\u1eddng k\u00ednh ngang ng\u1ef1c c\u00f3 m\u1ed1i quan h\u1ec7 \u1edf m\u1ee9c ch\u1eb7t (R > 0,7), th\u1ec3 t\u00edch th\u00e2n c\u00e2y quan h\u1ec7 r\u1ea5t ch\u1eb7t ch\u1ebd v\u1edbi \u0111\u01b0\u1eddng k\u00ednh g\u1ed1c c\u00e2y (R > 0,9). K\u1ebft qu\u1ea3 ki\u1ec3m nghi\u1ec7m cho ph\u00e9p s\u1eed d\u1ee5ng ph\u01b0\u01a1ng tr\u00ecnh quan h\u1ec7 gi\u1eefa th\u1ec3 t\u00edch th\u00e2n c\u00e2y v\u1edbi \u0111\u01b0\u1eddng k\u00ednh g\u1ed1c c\u00e2y \u0111\u1ec3 truy t\u00ecm th\u1ec3 t\u00edch nh\u1eefng Keo tai t\u01b0\u1ee3ng b\u1ecb m\u1ea5t v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c kh\u00e1 cao (sai s\u1ed1 < 5%).<\/p>\n","protected":false},"excerpt":{"rendered":"

\n \n<\/p>\n

\nKeo tai t\u01b0\u1ee3ng là loài cây g\u1ed7 nh\u1ee1, sinh tr\u01b0\u1edfng nhanh, \u0111\u01b0\u1ee3c tr\u1ed3ng v\u1edbi s\u1ed1 l\u01b0\u1ee3ng l\u1edbn t\u1ea1i Hàm Yên – Tuyên Quang. K\u1ebft qu\u1ea3 nghiên c\u1ee9u m\u1ed1i quan h\u1ec7 gi\u1eefa các nhân t\u1ed1 \u0111i\u1ec1u tra thân cây v\u1edbi \u0111\u01b0\u1eddng kính g\u1ed1c cho th\u1ea5y: gi\u1eefa \u0111\u01b0\u1eddng kính ngang ng\u1ef1c v\u1edbi \u0111\u01b0\u1eddng kính g\u1ed1c t\u1ed3n t\u1ea1i m\u1ed1i quan h\u1ec7 r\u1ea5t ch\u1eb7t ch\u1ebd (R > 0,9), gi\u1eefa chi\u1ec1u cao v\u1edbi \u0111\u01b0\u1eddng kính g\u1ed1c c\u0169ng nh\u01b0 \u0111\u01b0\u1eddng kính ngang ng\u1ef1c có m\u1ed1i quan h\u1ec7 \u1edf m\u1ee9c ch\u1eb7t (R > 0,7), th\u1ec3 tích thân cây quan h\u1ec7 r\u1ea5t ch\u1eb7t ch\u1ebd v\u1edbi \u0111\u01b0\u1eddng kính g\u1ed1c cây (R > 0,9). K\u1ebft qu\u1ea3 ki\u1ec3m nghi\u1ec7m cho phép s\u1eed d\u1ee5ng ph\u01b0\u01a1ng trình quan h\u1ec7 gi\u1eefa th\u1ec3 tích thân cây v\u1edbi \u0111\u01b0\u1eddng kính g\u1ed1c cây \u0111\u1ec3 truy tìm th\u1ec3 tích nh\u1eefng Keo tai t\u01b0\u1ee3ng b\u1ecb m\u1ea5t v\u1edbi \u0111\u1ed9 chính xác khá cao (sai s\u1ed1 < 5%).<\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[18],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9279"}],"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=9279"}],"version-history":[{"count":2,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9279\/revisions"}],"predecessor-version":[{"id":12981,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9279\/revisions\/12981"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9279"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9279"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9279"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}