{"id":9036,"date":"2009-04-20T08:18:46","date_gmt":"2009-04-20T01:18:46","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2009\/04\/nghien-cuu-chon-cay-troi-dan-dong-keo-tai-tuong-phuc-vu-trong-rung-cung-cap-go-gia-dung\/"},"modified":"2013-10-06T09:01:10","modified_gmt":"2013-10-06T02:01:10","slug":"nghien-cuu-chon-cay-troi-dan-dong-keo-tai-tuong-phuc-vu-trong-rung-cung-cap-go-gia-dung","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/nghien-cuu-chon-cay-troi-dan-dong-keo-tai-tuong-phuc-vu-trong-rung-cung-cap-go-gia-dung\/","title":{"rendered":"Nghi\u00ean c\u1ee9u ch\u1ecdn c\u00e2y tr\u1ed9i, d\u1eabn d\u00f2ng Keo tai t\u01b0\u1ee3ng ph\u1ee5c v\u1ee5 tr\u1ed3ng r\u1eebng cung c\u1ea5p g\u1ed7 gia d\u1ee5ng"},"content":{"rendered":"
Nguy\u1ec5n Minh Ch\u00ed<\/strong> <\/div>\n
L\u00ea V\u0103n Thu\u1eadt, \u0110\u1ed7 Minh Hi\u1ec3n<\/strong> <\/div>\n
Trung t\u00e2m C\u00f4ng ngh\u1ec7 Sinh h\u1ecdc L\u00e2m nghi\u1ec7p<\/em> <\/div>\n
Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t <\/em>Nam<\/em><\/strong> <\/div>\n
T\u00d3M T\u1eaeT<\/strong> <\/div>\n
Nghi\u00ean c\u1ee9u ch\u1ecdn c\u00e2y tr\u1ed9i Keo tai t\u01b0\u1ee3ng theo h\u01b0\u1edbng cung c\u1ea5p g\u1ed7 gia d\u1ee5ng v\u00e0 c\u1eaft t\u1ea1o ch\u1ed3i, d\u1eabn d\u00f2ng c\u00e1c c\u00e2y tr\u1ed9i \u1edf tu\u1ed5i 10-13 t\u1ea1i 5 l\u00e2m tr\u01b0\u1eddng \u1edf Tuy\u00ean Quang \u0111\u00e3 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 kh\u1ea3 quan. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p c\u1eaft t\u1ea1o ch\u1ed3i \u0111\u00e3 cho th\u1ea5y c\u1eaft c\u00e0nh d\u01b0\u1edbi t\u00e1n v\u00e0 c\u1eaft c\u1ee5t ng\u1ecdn cho t\u1ef7 l\u1ec7 ra ch\u1ed3i cao, \u0111\u1ea1t t\u1eeb 82,6% \u0111\u1ebfn 90,9%. C\u00e1c nghi\u00ean c\u1ee9u v\u1ec1 d\u1eabn d\u00f2ng v\u00e0 gi\u00e2m hom cho k\u1ebft qu\u1ea3 t\u1ed1t, m\u1ed9t s\u1ed1 d\u00f2ng c\u00f3 t\u1ef7 l\u1ec7 ra r\u1ec5 kh\u00e1 cao nh\u01b0 K83 C<\/sub>, K98 C<\/sub>, K101<\/sub> v\u00e0 K102<\/sub> v\u1edbi t\u1ef7 l\u1ec7 hom ra r\u1ec5 tr\u00ean 80%. V\u1ecb tr\u00ed l\u1ea5y hom \u1edf d\u01b0\u1edbi t\u00e1n c\u00f3 t\u1ef7 l\u1ec7 ra r\u1ec5 cao h\u01a1n \u1edf ph\u00eda tr\u00ean ng\u1ecdn. C\u00f2n nghi\u00ean c\u1ee9u v\u1ec1 t\u00ednh ch\u1ea5t c\u01a1 l\u00fd g\u1ed7 cho th\u1ea5y m\u1ee9c \u0111\u1ed9 bi\u1ebfn d\u1ecb v\u1ec1kh\u1ed1il\u01b0\u1ee3ngth\u1ec3t\u00edch gi\u1eefa c\u00e1c d\u00f2ng \u0111\u01b0\u1ee3c ch\u1ecdn l\u1ecdc l\u00e0 l\u1edbn, t\u1eeb 580kg\/m3<\/sup> \u0111\u1ebfn 798kg\/m3<\/sup>. <\/div>\n
C\u1eadp nh\u1eadt t\u1ea1i \u0111\u00e2y <\/strong><\/a> <\/div>\n","protected":false},"excerpt":{"rendered":"

\n \n<\/p>\n

\nNghiên c\u1ee9u ch\u1ecdn cây tr\u1ed9i Keo tai t\u01b0\u1ee3ng theo h\u01b0\u1edbng cung c\u1ea5p g\u1ed7 gia d\u1ee5ng và c\u1eaft t\u1ea1o ch\u1ed3i, d\u1eabn dòng các cây tr\u1ed9i \u1edf tu\u1ed5i 10-13 t\u1ea1i 5 lâm tr\u01b0\u1eddng \u1edf Tuyên Quang \u0111ã \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 kh\u1ea3 quan. Các ph\u01b0\u01a1ng pháp c\u1eaft t\u1ea1o ch\u1ed3i \u0111ã cho th\u1ea5y c\u1eaft cành d\u01b0\u1edbi tán và c\u1eaft c\u1ee5t ng\u1ecdn cho t\u1ef7 l\u1ec7 ra ch\u1ed3i cao, \u0111\u1ea1t t\u1eeb 82,6% \u0111\u1ebfn 90,9%. Các nghiên c\u1ee9u v\u1ec1 d\u1eabn dòng và giâm hom cho k\u1ebft qu\u1ea3 t\u1ed1t, m\u1ed9t s\u1ed1 dòng có t\u1ef7 l\u1ec7 ra r\u1ec5 khá cao nh\u01b0 K83 C<\/sub>, K98 C<\/sub>, K101<\/sub> và K102<\/sub> v\u1edbi t\u1ef7 l\u1ec7 hom ra r\u1ec5 trên 80%. V\u1ecb trí l\u1ea5y hom \u1edf d\u01b0\u1edbi tán có t\u1ef7 l\u1ec7 ra r\u1ec5 cao h\u01a1n \u1edf phía trên ng\u1ecdn. Còn nghiên c\u1ee9u v\u1ec1 tính ch\u1ea5t c\u01a1 lý g\u1ed7 cho th\u1ea5y m\u1ee9c \u0111\u1ed9 bi\u1ebfn d\u1ecb v\u1ec1 <\/span>kh\u1ed1i <\/span>l\u01b0\u1ee3ng <\/span>th\u1ec3 <\/span>tích gi\u1eefa các dòng \u0111\u01b0\u1ee3c ch\u1ecdn l\u1ecdc là l\u1edbn, t\u1eeb 580kg\/m3<\/sup> \u0111\u1ebfn 798kg\/m3<\/sup>. <\/font><\/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\/9036"}],"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=9036"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9036\/revisions"}],"predecessor-version":[{"id":10490,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9036\/revisions\/10490"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9036"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9036"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9036"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}