{"id":21020,"date":"2021-06-24T15:29:36","date_gmt":"2021-06-24T08:29:36","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/?p=21020"},"modified":"2021-06-25T09:24:48","modified_gmt":"2021-06-25T02:24:48","slug":"thong-tin-luan-an-tien-si-cua-nghien-cuu-sinh-luu-tien-dat","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/thong-tin-luan-an-tien-si-cua-nghien-cuu-sinh-luu-tien-dat\/","title":{"rendered":"Th\u00f4ng tin Lu\u1eadn \u00e1n Ti\u1ebfn s\u0129 c\u1ee7a Nghi\u00ean c\u1ee9u sinh L\u01b0u Ti\u1ebfn \u0110\u1ea1t"},"content":{"rendered":"

T\u00ean lu\u1eadn \u00e1n:<\/strong> \u201cNghi\u00ean c\u1ee9u \u1ea3nh h\u01b0\u1edfng c\u1ee7a l\u1eadp \u0111\u1ecba \u0111\u1ebfn sinh tr\u01b0\u1edfng v\u00e0 s\u1ea3n l\u01b0\u1ee3ng m\u1ee7 c\u1ee7a r\u1eebng tr\u1ed3ng cao su (Hevea brasiliensis) t\u1ea1i t\u1ec9nh Lai Ch\u00e2u\u201d<\/em><\/p>\n

Chuy\u00ean ng\u00e0nh:<\/strong> L\u00e2m sinh\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 M\u00e3 s\u1ed1:<\/strong> 9.62.02.05<\/p>\n

H\u1ecd v\u00e0 t\u00ean nghi\u00ean c\u1ee9u sinh:<\/strong> L\u01b0u Ti\u1ebfn \u0110\u1ea1t<\/p>\n

H\u1ecd v\u00e0 t\u00ean c\u00e1n b\u1ed9 h\u01b0\u1edbng d\u1eabn:<\/strong> 1) GS.TS. V\u01b0\u01a1ng V\u0103n Qu\u1ef3nh\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2) TS. Tr\u1ea7n V\u0103n T\u00fay<\/p>\n

T\u00ean c\u01a1 s\u1edf \u0111\u00e0o t\u1ea1o:<\/strong> Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam<\/p>\n

T\u00d3M T\u1eaeT NH\u1eeeNG K\u1ebeT LU\u1eacN M\u1edaI C\u1ee6A LU\u1eacN \u00c1N:<\/p>\n

(1) Lai Ch\u00e2u\u00a0c\u00f3\u00a0kh\u00ed h\u1eadu\u00a0c\u1eadn nhi\u1ec7t \u0111\u1edbi \u1ea9m. Nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh n\u0103m l\u00e0 23,79 o<\/sup>C. L\u01b0\u1ee3ng m\u01b0a b\u00ecnh qu\u00e2n th\u00e1ng t\u1eeb 22,5 mm v\u00e0o th\u00e1ng 2 \u0111\u1ebfn 467,2 mm v\u00e0o th\u00e1ng 7; l\u01b0\u1ee3ng m\u01b0a trung b\u00ecnh n\u0103m l\u00e0 2.187,3 mm; \u0111\u1ed9 \u1ea9m trung b\u00ecnh n\u0103m l\u00e0 82,06%. \u0110\u1ed9 cao trung b\u00ecnh ph\u1ed5 bi\u1ebfn t\u1eeb 600-800 m v\u1edbi di\u1ec7n t\u00edch 175.176 ha, ti\u1ebfp \u0111\u00f3 l\u00e0 \u0111\u1ed9 cao t\u1eeb 400-600 m v\u00e0 800-1.000 m v\u1edbi di\u1ec7n t\u00edch l\u1ea7n l\u01b0\u1ee3t l\u00e0 142.569,16 ha v\u00e0 143.619 ha. \u0110\u1ed9 d\u1ed1c ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 t\u1eeb 20 – 300<\/sup> c\u00f3 di\u1ec7n t\u00edch 454.475ha, chi\u1ebfm 57,1% t\u1ed5ng di\u1ec7n t\u00edch; \u0111\u1ed9 d\u1ed1c d\u01b0\u1edbi 80<\/sup> ch\u1ec9 c\u00f3 10.375ha, chi\u1ebfm 1,3% t\u1ed5ng di\u1ec7n t\u00edch t\u1ef1 nhi\u00ean, t\u1eadp trung nhi\u1ec1u nh\u1ea5t \u1edf huy\u1ec7n T\u00e2n Uy\u00ean (3.000ha). Tr\u00ean \u0111\u1ecba b\u00e0n t\u1ec9nh Lai Ch\u00e2u c\u00f3 7 nh\u00f3m \u0111\u1ea5t v\u1edbi 17 lo\u1ea1i \u0111\u1ea5t ch\u00ednh.<\/h3>\n

(2) Lai Ch\u00e2u ch\u00ednh th\u1ee9c tr\u1ed3ng cao su \u0111\u1ea1i \u0111i\u1ec1n t\u1eeb n\u0103m 2008 – 2016 v\u1edbi t\u1ed5ng di\u1ec7n t\u00edch l\u00e0 13,879.9 ha. C\u00e1c gi\u1ed1ng cao su ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c tr\u1ed3ng \u1edf Lai Ch\u00e2u l\u00e0 RRIV 124,\u00a0 RRIC 121, IAN 873, VNg 77-2, VNg 77-4, RRIM 600. Gi\u1ed1ng RRIV 124 c\u00f3 di\u1ec7n t\u00edch l\u1edbn nh\u1ea5t v\u1edbi 4,016.6 ha, chi\u1ebfm 28,9% t\u1ed5ng s\u1ed1 c\u00e1c gi\u1ed1ng; ti\u1ebfp \u0111\u1ebfn l\u00e0 RRIC 121 v\u1edbi 2.444,5 ha, chi\u1ebfm 17,6%; IAN 873 l\u00e0 1.566,4 ha, chi\u1ebfm 11,3%; RRIM 600 l\u00e0 1,544.8 ha, chi\u1ebfm 11,1%; B\u01b0\u1edbc \u0111\u1ea7u \u0111\u00e1nh gi\u00e1 c\u00f3 4 gi\u1ed1ng RRIV124, VNg 77-4, VNg 77-2, v\u00e0 IAN873 c\u00f3 c\u00e1c ch\u1ec9 ti\u00eau sinh tr\u01b0\u1edfng v\u01b0\u1ee3t so v\u1edbi trung b\u00ecnh qu\u1ea7n th\u1ec3 t\u1eeb 102,5 – 110,4% v\u1ec1 D1.0, t\u1eeb 101,4 – 104,0% v\u1ec1 Hvn. N\u0103ng su\u1ea5t m\u1ee7 c\u1ee7a c\u00e1c gi\u1ed1ng cao su m\u1edf c\u1ea1o n\u0103m \u0111\u1ea7u ti\u00ean \u0111\u1ea1t b\u00ecnh qu\u00e2n 2,48kg m\u1ee7 kh\u00f4\/c\u00e2y, t\u01b0\u01a1ng \u1ee9ng 0,976 t\u1ea5n m\u1ee7 kh\u00f4\/ha, v\u1edbi t\u1ef7 l\u1ec7 c\u00e2y \u0111\u1ea1t ti\u00eau chu\u1ea9n c\u1ea1o b\u00ecnh qu\u00e2n l\u00e0 85,9%. B\u01b0\u1edbc \u0111\u1ea7u \u0111\u00e1nh gi\u00e1 c\u00f3 4 gi\u1ed1ng IAN873, VNg 77-4, RRIM600, v\u00e0 RRIV124 c\u00f3 n\u0103ng su\u1ea5t m\u1ee7 kh\u00f4 b\u00ecnh qu\u00e2n\/c\u00e2y v\u01b0\u1ee3t t\u01b0 104,4 – 115,3% so v\u1edbi n\u0103ng su\u1ea5t m\u1ee7 kh\u00f4 c\u1ee7a trung b\u00ecnh qu\u00e2n th\u1ec3.<\/h3>\n

(3) Hai ch\u1ec9 ti\u00eau sinh tr\u01b0\u1edfng D1.0 v\u00e0 Hvn \u0111\u1ec1u c\u00f3 t\u01b0\u01a1ng quan ch\u1eb7t v\u00e0 r\u1ea5t ch\u1eb7t v\u1edbi s\u1ea3n l\u01b0\u1ee3ng m\u1ee7 c\u1ee7a cao su \u1edf Lai Ch\u00e2u, (l\u1ea7n l\u01b0\u1ee3t R2<\/sup> l\u00e0 0,8992 v\u00e0 0,7419). 07 y\u1ebfu t\u1ed1 l\u1eadp \u0111\u1ecba g\u1ed3m: nhi\u1ec7t \u0111\u1ed9 b\u00ecnh qu\u00e2n, \u0111\u1ed9 \u1ea9m b\u00ecnh qu\u00e2n, l\u01b0\u1ee3ng m\u01b0a b\u00ecnh qu\u00e2n, \u0111\u1ed9 cao, \u0111\u1ed9 d\u1ed1c, \u0111\u1ed9 d\u00e0y t\u1ea7ng \u0111\u1ea5t v\u00e0 lo\u1ea1i \u0111\u1ea5t \u0111\u1ec1u c\u00f3 \u1ea3nh h\u01b0\u1edfng t\u1edbi sinh tr\u01b0\u1edfng v\u00e0 s\u1ea3n l\u01b0\u1ee3ng m\u1ee7 c\u1ee7a cao su tuy nhi\u00ean kh\u00f4ng l\u1edbn. Li\u00ean h\u1ec7 gi\u1eefa sinh tr\u01b0\u1edfng \u0111\u01b0\u1eddng k\u00ednh v\u1edbi t\u1ed5ng h\u1ee3p c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng c\u1ee7a l\u1eadp \u0111\u1ecba \u1edf m\u1ee9c t\u01b0\u01a1ng \u0111\u1ed1i ch\u1eb7t.<\/h3>\n

(4) L\u1eadp \u0111\u1ecba c\u1ea5p I l\u00e0 l\u1eadp \u0111\u1ecba th\u00edch h\u1ee3p nh\u1ea5t \u0111\u1ec3 g\u00e2y tr\u1ed3ng v\u00e0 ph\u00e1t tri\u1ec3n cao su, v\u1edbi di\u1ec7n t\u00edch ti\u1ec1m n\u0103ng tr\u00ean to\u00e0n t\u1ec9nh l\u00e0 99.154 ha, chi\u1ebfm 14,6% t\u1ed5ng di\u1ec7n t\u00edch \u0111\u1ea5t l\u00e2m nghi\u1ec7p c\u1ee7a t\u1ec9nh Lai Ch\u00e2u, nhi\u1ec1u nh\u1ea5t l\u00e0 huy\u1ec7n M\u01b0\u1eddng T\u00e8 v\u1edbi 37.894 ha, \u00edt nh\u1ea5t l\u00e0 TP. Lai Ch\u00e2u v\u1edbi 81ha; B\u1ea3ng tra c\u1ea5p l\u1eadp \u0111\u1ecba theo nh\u1eefng y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn D1.0 c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c D1.0 v\u00e0 s\u1ea3n l\u01b0\u1ee3ng m\u1ee7 \u1edf c\u00e1c c\u1ea5p l\u1eadp \u0111\u1ecba c\u1ee5 th\u1ec3, t\u1eeb \u0111\u00f3 quy\u1ebft \u0111\u1ecbnh k\u1ebf ho\u1ea1ch tr\u1ed3ng cao su c\u00f9ng v\u1edbi nh\u1eefng gi\u1ea3i ph\u00e1p k\u1ef9 thu\u1eadt \u00e1p d\u1ee5ng th\u00edch h\u1ee3p.<\/h3>\n

<\/a><\/a><\/a>(5) X\u00e1c \u0111\u1ecbnh 04 gi\u1ea3i ph\u00e1p ch\u00ednh \u0111\u1ec3 g\u00e2y tr\u1ed3ng v\u00e0 ph\u00e1t tri\u1ec3n cao su \u1edf Lai Ch\u00e2u v\u00e0 \u0111\u1ec1 xu\u1ea5t 11 gi\u1ea3i ph\u00e1p k\u1ef9 thu\u1eadt \u0111\u1ec3 canh t\u00e1c b\u1ec1n v\u1eefng cao su tr\u00ean \u0111\u1ea5t d\u1ed1c \u1edf Lai Ch\u00e2u, trong \u0111\u00f3 c\u00f3 8 gi\u1ea3i ph\u00e1p t\u0103ng c\u01b0\u1eddng b\u1ea3o v\u1ec7 \u0111\u1ea5t v\u00e0 n\u01b0\u1edbc v\u00e0 3 gi\u1ea3i ph\u00e1p t\u0103ng c\u01b0\u1eddng b\u1ea3o v\u1ec7 \u0111a d\u1ea1ng sinh h\u1ecdc.<\/h3>\n

To\u00e0n v\u0103n lu\u1eadn \u00e1n \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u0103ng t\u1ea3i c\u00f4ng khai tr\u00ean trang web c\u1ee7a B\u1ed9 Gi\u00e1o d\u1ee5c v\u00e0 \u0110\u00e0o t\u1ea1o t\u1ea1i \u0111\u01b0\u1eddng link:\u00a0http:\/\/luanvan.moet.edu.vn\/?page=1.32&view=37684<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

T\u00ean lu\u1eadn \u00e1n: \u201cNghi\u00ean c\u1ee9u \u1ea3nh h\u01b0\u1edfng c\u1ee7a l\u1eadp \u0111\u1ecba \u0111\u1ebfn sinh tr\u01b0\u1edfng v\u00e0 s\u1ea3n l\u01b0\u1ee3ng m\u1ee7 c\u1ee7a r\u1eebng tr\u1ed3ng cao su (Hevea brasiliensis) t\u1ea1i t\u1ec9nh Lai Ch\u00e2u\u201d Chuy\u00ean ng\u00e0nh: L\u00e2m sinh\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 M\u00e3 s\u1ed1: 9.62.02.05 H\u1ecd v\u00e0 t\u00ean nghi\u00ean c\u1ee9u sinh: L\u01b0u Ti\u1ebfn \u0110\u1ea1t H\u1ecd v\u00e0 t\u00ean c\u00e1n b\u1ed9 h\u01b0\u1edbng d\u1eabn: 1) GS.TS. V\u01b0\u01a1ng V\u0103n […]<\/p>\n","protected":false},"author":17,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[42,66],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/21020"}],"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\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/comments?post=21020"}],"version-history":[{"count":2,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/21020\/revisions"}],"predecessor-version":[{"id":21022,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/21020\/revisions\/21022"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=21020"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=21020"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=21020"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}