{"id":224,"date":"2005-04-19T05:22:20","date_gmt":"2005-04-19T05:22:20","guid":{"rendered":"http:\/\/vafs.dungnq.local\/2005\/04\/19\/mot-so-thanh-tuu-ve-cai-thien-giong-cay-rung-o-nuoc-ta-trong-nhung-nam-gan-day\/"},"modified":"2013-10-06T08:59:31","modified_gmt":"2013-10-06T01:59:31","slug":"mot-so-thanh-tuu-ve-cai-thien-giong-cay-rung-o-nuoc-ta-trong-nhung-nam-gan-day","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/mot-so-thanh-tuu-ve-cai-thien-giong-cay-rung-o-nuoc-ta-trong-nhung-nam-gan-day\/","title":{"rendered":"M\u1ed9t s\u1ed1 th\u00e0nh t\u1ef1u v\u1ec1 c\u1ea3i thi\u1ec7n gi\u1ed1ng c\u00e2y r\u1eebng \u1edf n\u01b0\u1edbc ta trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y"},"content":{"rendered":"<p><b>I. M\u1edf \u0111\u1ea7u.<\/b> <\/p>\n<p>C\u00f4ng t\u00e1c gi\u1ed1ng c\u00e2y r\u1eebng \u1edf n\u01b0\u1edbc ta \u0111\u01b0\u1ee3c b\u1eaft \u0111\u1ea7u t\u1eeb n\u0103m 1930 khi c\u00e1c nh\u00e0 l\u00e2m nghi\u1ec7p ng\u01b0\u1eddi Ph\u00e1p x\u00e2y d\u1ef1ng m\u1ed9t s\u1ed1 \u0111i\u1ec3m kh\u1ea3o nghi\u1ec7m cho m\u1ed9t s\u1ed1 lo\u00e0i c\u00e2y tr\u1ed3ng r\u1eebng \u1edf n\u01b0\u1edbc ta. Sau \u0111\u00f3, trong nh\u1eefng n\u0103m 1950 &#8211; 1960 c\u00e1c kh\u1ea3o nghi\u1ec7m cho b\u1ed9 gi\u1ed1ng 18 lo\u00e0i b\u1ea1ch \u0111\u00e0n, 15 lo\u00e0i th\u00f4ng v\u00e0 m\u1ed9t s\u1ed1 lo\u00e0i keo \u0111\u00e3 \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh t\u1ea1i v\u00f9ng n\u00fai \u0110\u00e0 L\u1ea1t m\u00e0 \u0111\u1ebfn nay \u0111\u00e3 th\u00e0nh m\u1ed9t s\u1ed1 lo\u00e0i c\u00f3 gi\u00e1 tr\u1ecb nh\u01b0 <i>Eucalyptus microcorys<\/i> v\u00e0 <i>E. grandis<\/i> cao 60m v\u1edbi \u0111\u01b0\u1eddng k\u00ednh 55 &#8211; 60 cm. Tuy v\u1eady, do \u0111i\u1ec1u ki\u1ec7n chi\u1ebfn tranh n\u00ean trong m\u1ed9t th\u1eddi gian d\u00e0i c\u00f4ng t\u00e1c gi\u1ed1ng ch\u1ec9 d\u1eebng l\u1ea1i \u1edf b\u1ea3o qu\u1ea3n h\u1ea1t gi\u1ed1ng v\u00e0 x\u00e2y d\u1ef1ng r\u1eebng gi\u1ed1ng l\u00e0 ch\u00ednh. <\/p>\n<p>Sau n\u0103m 1975, \u0111\u1eb7c bi\u1ec7t l\u00e0 t\u1eeb n\u0103m 1980, ho\u1ea1t \u0111\u1ed9ng c\u1ea3i thi\u1ec7n gi\u1ed1ng c\u00e2y r\u1eebng m\u1edbi \u0111\u01b0\u1ee3c \u0111\u1ea9y m\u1ea1nh trong c\u1ea3 n\u01b0\u1edbc. C\u00e1c ho\u1ea1t \u0111\u1ed9ng trong th\u1eddi gian \u0111\u1ea7u ch\u1ee7 y\u1ebfu l\u00e0 kh\u1ea3o nghi\u1ec7m lo\u00e0i v\u00e0 xu\u1ea5t x\u1ee9. Sau \u0111\u00f3 l\u00e0 c\u00e1c ho\u1ea1t \u0111\u1ed9ng v\u1ec1 ch\u1ecdn l\u1ecdc c\u00e2y tr\u1ed9i, x\u00e2y d\u1ef1ng r\u1eebng gi\u1ed1ng v\u00e0 v\u01b0\u1eddn gi\u1ed1ng. Nh\u1eefng ho\u1ea1t \u0111\u1ed9ng n\u1ed5i b\u1eadt g\u1ea7n \u0111\u00e2y l\u00e0 ph\u00e1t hi\u1ec7n v\u00e0 nghi\u00ean c\u1ee9u c\u00e1c gi\u1ed1ng lai t\u1ef1 nhi\u00ean, t\u1ea1o gi\u1ed1ng lai nh\u00e2n t\u1ea1o, nh\u00e2n gi\u1ed1ng hom v\u00e0 nu\u00f4i c\u00e2y m\u00f4 ph\u00e2n sinh, c\u0169ng nh\u01b0 \u1ee9ng d\u1ee5ng ch\u1ec9 th\u1ecb ph\u00e2n t\u1eed v\u00e0o c\u1ea3i thi\u1ec7n gi\u1ed1ng c\u00e2y r\u1eebng. Nh\u1eefng ho\u1ea1t \u0111\u1ed9ng n\u00e0y v\u1eeba th\u1ec3 hi\u1ec7n s\u1ef1 n\u1ed7 l\u1ef1c c\u1ee7a nh\u1eefng ng\u01b0\u1eddi l\u00e0m c\u00f4ng t\u00e1c gi\u1ed1ng \u1edf n\u01b0\u1edbc ta v\u1eeba l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a s\u1ef1 h\u1ee3p t\u00e1c qu\u1ed1c t\u1ebf.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I. M\u1edf \u0111\u1ea7u.<\/p>\n<p>C\u00f4ng t\u00e1c gi\u1ed1ng c\u00e2y r\u1eebng \u1edf n\u01b0\u1edbc ta \u0111\u01b0\u1ee3c b\u1eaft \u0111\u1ea7u t\u1eeb n\u0103m 1930 khi c\u00e1c nh\u00e0 l\u00e2m nghi\u1ec7p ng\u01b0\u1eddi Ph\u00e1p x\u00e2y d\u1ef1ng m\u1ed9t s\u1ed1 \u0111i\u1ec3m kh\u1ea3o nghi\u1ec7m cho m\u1ed9t s\u1ed1 lo\u00e0i c\u00e2y tr\u1ed3ng r\u1eebng \u1edf n\u01b0\u1edbc ta. Sau \u0111\u00f3, trong nh\u1eefng n\u0103m 1950 &#8211; 1960 c\u00e1c kh\u1ea3o nghi\u1ec7m cho b\u1ed9 gi\u1ed1ng 18 lo\u00e0i b\u1ea1ch \u0111\u00e0n, 15 lo\u00e0i th\u00f4ng v\u00e0 m\u1ed9t s\u1ed1 lo\u00e0i keo \u0111\u00e3 \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh t\u1ea1i v\u00f9ng n\u00fai \u0110\u00e0 L\u1ea1t m\u00e0 \u0111\u1ebfn nay \u0111\u00e3 th\u00e0nh m\u1ed9t s\u1ed1 lo\u00e0i c\u00f3 gi\u00e1 tr\u1ecb nh\u01b0 Eucalyptus microcorys v\u00e0 E. grandis cao 60m v\u1edbi \u0111\u01b0\u1eddng k\u00ednh 55 &#8211; 60 cm. Tuy v\u1eady, do \u0111i\u1ec1u ki\u1ec7n chi\u1ebfn tranh n\u00ean trong m\u1ed9t th\u1eddi gian d\u00e0i c\u00f4ng t\u00e1c gi\u1ed1ng ch\u1ec9 d\u1eebng l\u1ea1i \u1edf b\u1ea3o qu\u1ea3n h\u1ea1t gi\u1ed1ng v\u00e0 x\u00e2y d\u1ef1ng r\u1eebng gi\u1ed1ng l\u00e0 ch\u00ednh.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[13],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/224"}],"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=224"}],"version-history":[{"count":2,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/224\/revisions"}],"predecessor-version":[{"id":8481,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/224\/revisions\/8481"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=224"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=224"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=224"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}