{"id":14649,"date":"2015-04-10T09:30:47","date_gmt":"2015-04-10T02:30:47","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/?p=14649"},"modified":"2015-04-09T09:36:42","modified_gmt":"2015-04-09T02:36:42","slug":"bao-cao-ket-qua-de-tai-khao-nghiem-va-xay-dung-mo-hinh-trong-rung-keo-lai-bach-dan-thong-caribeae-xoan-cung-cap-go-lon-tai-tay-nguyen","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/bao-cao-ket-qua-de-tai-khao-nghiem-va-xay-dung-mo-hinh-trong-rung-keo-lai-bach-dan-thong-caribeae-xoan-cung-cap-go-lon-tai-tay-nguyen\/","title":{"rendered":"B\u00e1o c\u00e1o k\u1ebft qu\u1ea3 \u0111\u1ec1 t\u00e0i: Kh\u1ea3o nghi\u1ec7m v\u00e0 x\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh tr\u1ed3ng r\u1eebng keo lai, b\u1ea1ch \u0111\u00e0n, th\u00f4ng caribeae, xoan cung c\u1ea5p g\u1ed7 l\u1edbn t\u1ea1i T\u00e2y Nguy\u00ean"},"content":{"rendered":"

H\u1ed3 \u0110\u1ee9c Soa<\/em><\/p>\n

I. \u0110\u1eb6T V\u1ea4N \u0110\u1ec0<\/b><\/p>\n

R\u1eebng t\u1ef1 nhi\u00ean hi\u1ec7n nay \u0111\u00e3 b\u1ecb suy tho\u00e1i nghi\u00eam tr\u1ecdng, v\u00ec v\u1eady vi\u1ec7c cung c\u1ea5p g\u1ed7 v\u00e0 b\u1ea3o v\u1ec7 m\u00f4i sinh r\u1ea5t b\u1ecb h\u1ea1n ch\u1ebf. \u0110\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u v\u1ec1 g\u1ed7, nhi\u1ec1u n\u01b0\u1edbc tr\u00ean th\u1ebf gi\u1edbi \u0111ang nhanh ch\u00f3ng ph\u00e1t tri\u1ec3n tr\u1ed3ng r\u1eebng c\u1ea3 v\u1ec1 di\u1ec7n t\u00edch c\u0169ng nh\u01b0 s\u1ed1 l\u01b0\u1ee3ng ch\u1ee7ng lo\u1ea1i c\u00e2y tr\u1ed3ng.<\/p>\n

C\u00f9ng v\u1edbi vi\u1ec7c x\u00e1c \u0111\u1ecbnh l\u1eadp \u0111\u1ecba, vi\u1ec7c ch\u1ecdn lo\u00e0i c\u00e2y tr\u1ed3ng th\u00edch h\u1ee3p v\u1edbi l\u1eadp \u0111\u1ecba \u0111\u00f3 l\u00e0 y\u1ebfu t\u1ed1 c\u1ef1c k\u00ec quan tr\u1ecdng, c\u00f3 t\u00ednh ch\u1ea5t quy\u1ebft \u0111\u1ecbnh \u0111\u1ebfn n\u0103ng su\u1ea5t, ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 b\u1ec1n v\u1eefng c\u1ee7a r\u1eebng tr\u1ed3ng trong t\u01b0\u01a1ng lai. Do \u0111\u00f3 nghi\u00ean c\u1ee9u l\u1eadp \u0111\u1ecba, l\u1ef1a ch\u1ecdn v\u00e0 lai t\u1ea1o gi\u1ed1ng c\u00e2y tr\u1ed3ng ph\u00f9 h\u1ee3p v\u1edbi m\u1ed9t v\u00f9ng l\u00e2m nghi\u1ec7p, l\u1eadp \u0111\u1ecba c\u1ee5 th\u1ec3, \u0111\u00e3 v\u00e0 \u0111ang \u0111\u01b0\u1ee3c nhi\u1ec1u nh\u00e0 nghi\u00ean c\u1ee9u quan t\u00e2m. M\u1ed9t s\u1ed1 n\u01b0\u1edbc tr\u00ean th\u1ebf gi\u1edbi nghi\u00ean c\u1ee9u lai t\u1ea1o, ch\u1ecdn \u0111\u01b0\u1ee3c gi\u1ed1ng t\u1ed1t, bi\u1ec7n ph\u00e1p k\u0129 thu\u1eadt th\u00edch h\u1ee3p n\u00e2ng cao s\u1ea3n l\u01b0\u1ee3ng, ch\u00e2t l\u01b0\u1ee3ng g\u1ed7 v\u00e0 hi\u1ec7u qu\u1ea3 kinh t\u1ebf r\u1eebng tr\u1ed3ng, \u0111i\u1ec3n h\u00ecnh nh\u01b0 C\u00f4ng G\u00f4 \u0111\u00e3 ch\u1ecdn \u0111\u01b0\u1ee3c gi\u1ed1ng B\u1ea1ch \u0111\u00e0n \u0111\u1ea1t n\u0103ng su\u1ea5t 40-50m3<\/sup>\/ha\/n\u0103m, Brasil t\u1ea1o \u0111\u01b0\u1ee3c t\u1ed5 h\u1ee3p lai \u0111\u1ea1t 50-60m3\/ha\/n\u0103m …<\/p>\n

Ng\u00e0nh l\u00e2m nghi\u1ec7p Vi\u1ec7t nam, nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y \u0111\u00e3 c\u00f3 nhi\u1ec1u c\u00f4ng tr\u00ecnh nghi\u00ean c\u1ee9u, \u1ee9ng d\u1ee5ng ti\u1ebfn b\u1ed9 k\u0129 thu\u1eadt th\u00e0nh c\u00f4ng \u0111\u01b0a n\u0103ng su\u1ea5t r\u1eebng tr\u1ed3ng t\u0103ng 8-10 m3\/ha n\u0103m l\u00ean 15-20m3\/ha n\u0103m, \u0111\u1eb7c bi\u1ec7t c\u00f3 n\u01a1i (v\u00f9ng \u0110\u00f4ng Nam B\u1ed9) \u0111\u1ea1t 30-35m3\/ ha\/n\u0103m.<\/p>\n

T\u00e2y Nguy\u00ean l\u00e0 v\u00f9ng c\u00f3 ti\u1ec1m n\u0103ng ph\u00e1t tri\u1ec3n L\u00e2m – N\u00f4ng nghi\u1ec7p r\u1ea5t l\u1edbn, \u0111\u1ea5t \u0111ai v\u00e0 nh\u00e2n l\u1ef1c d\u1ed3i d\u00e0o, c\u00f4ng nghi\u1ec7p ch\u1ebf bi\u1ebfn g\u1ed7 \u0111ang tr\u00ean \u0111\u00e0 ph\u00e1t tri\u1ec3n, do \u0111\u00f3 tr\u1ed3ng r\u1eebng \u1edf \u0111\u00e2y v\u1eeba ph\u00e1t huy \u0111\u01b0\u1ee3c th\u1ebf m\u1ea1nh \u0111\u1ecba ph\u01b0\u01a1ng, t\u1ea1o vi\u1ec7c l\u00e0m, t\u0103ng thu nh\u1eadp v\u00e0 t\u1eebng b\u01b0\u1edbc c\u1ea3i thi\u1ec7n \u0111\u1eddi s\u1ed1ng c\u1ee7a nhan d\u00e2n, h\u1ea1n ch\u1ebf n\u1ea1n ph\u00e1 r\u1eebng l\u00e0m n\u01b0\u01a1ng r\u1eaby tr\u00ean \u0111\u1ecba b\u00e0n.<\/p>\n

Tuy nhi\u00ean, v\u1ea5n \u0111\u1ec1 t\u1ed3n t\u1ea1i hi\u1ec7n nay l\u00e0 h\u1ea7u h\u1ebft \u0111\u1ea5t l\u00e2m nghi\u1ec7p d\u00f9ng tr\u1ed3ng r\u1eebng \u0111\u00e3 tho\u00e1i h\u00f3a, bi\u1ebfn ch\u1ea5t, ngh\u00e8o dinh d\u01b0\u1ee1ng, ch\u1ecdn c\u00e2y tr\u1ed3ng ch\u01b0a ph\u00f9 h\u1ee3p n\u00ean n\u0103ng su\u1ea5t th\u1ea5p, hi\u1ec7u qu\u1ea3 kinh t\u1ebf k\u00e9m. \u0110\u1ec3 kh\u1eafc ph\u1ee5c t\u00ecnh tr\u1ea1ng tr\u00ean \u0111\u1ec1 t\u00e0i \u0111\u00e3 t\u1eadp trung gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 ch\u00ednh l\u00e0: lo\u00e0i c\u00e2y tr\u1ed3ng v\u1edbi l\u1eadp \u0111\u1ecba; \u0111\u1ea7u t\u01b0 v\u00e0 bi\u1ec7n ph\u00e1p k\u0129 thu\u1eadt, \u0111\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u01b0\u1ee3c \u0111\u1eb7c t\u00ednh h\u00f3a-l\u00fd v\u00e0 b\u1ed5 sung dinh d\u01b0\u1ee1ng cho \u0111\u1ea5t, \u0111\u1ec3 n\u00e2ng cao n\u0103ng su\u1ea5t r\u1eebng tr\u1ed3ng. V\u00ec v\u1eady vi\u1ec7c kh\u1ea3o nghi\u1ec7m v\u00e0 x\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh tr\u1ed3ng r\u1eebng th\u00e2m canh t\u1ea1o l\u1edbn t\u1ea1i T\u00e2y nguy\u00ean l\u00e0 c\u1ea5p thi\u1ebft<\/p>\n

\u00a0\"BV33\"<\/a><\/b><\/p>\n

II. N\u1ed8I DUNG V\u00c0 PH\u01af\u01a0NG PH\u00c1P NGHI\u00caN C\u1ee8U.<\/b><\/p>\n

2.1. M\u1ee5c ti\u00eau :<\/b><\/p>\n

–\u00a0\u00a0 Kh\u1ea3o nghi\u1ec7m m\u1edf r\u1ed9ng m\u1ed9t s\u1ed1 gi\u1ed1ng ti\u1ebfn b\u1ed9 k\u0129 thu\u1eadt<\/p>\n

–\u00a0 X\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh tr\u1ed3ng r\u1eebng th\u00e2m canh l\u1ea5y g\u1ed7 l\u1edbn m\u1ed9t s\u1ed1 lo\u00e0i keo lai, b\u1ea1ch \u0111\u00e0n, th\u00f4ng caribea, xoan ta ph\u00f9 h\u1ee3p v\u1edbi l\u1eadp \u0111\u1ecba T\u00e2y nguy\u00ean.<\/p>\n

2.2. N\u1ed9i dung: <\/b><\/p>\n

+ \u0110i\u1ec1u tra \u0111\u00e1nh gi\u00e1 k\u1ebft qu\u1ea3 tr\u1ed3ng r\u1eebng t\u1ea1i T\u00e2y Nguy\u00ean, t\u1ed5ng k\u1ebft, ph\u00e2n t\u00edch v\u00e0 \u00e1p d\u1ee5ng k\u0129 thu\u1eadt th\u00e2m canh cho r\u1eebng tr\u1ed3ng.<\/p>\n

+ X\u00e2y d\u1ef1ng v\u01b0\u1eddn gi\u1ed1ng v\u00f4 t\u00ednh \u0111\u1ea7u d\u00f2ng Keo lai (6 d\u00f2ng) ph\u1ee5c v\u1ee5 kh\u1ea3o nghi\u1ec7m: BV33, BV32, BV10, TB11, TB6, TB3;<\/p>\n

+ X\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh v\u00e0 kh\u1ea3o nghi\u1ec7m ho\u00e0n thi\u1ec7n k\u0129 thu\u1eadt tr\u1ed3ng r\u1eebng g\u1ed7 l\u1edbn t\u1ea1i T\u00e2y nguy\u00ean.<\/p>\n

– V\u1ec1 gi\u1ed1ng: Gi\u1ed1ng ti\u1ebfn b\u1ed9 k\u1ef9 thu\u1eadt \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn: Keo lai s\u00e1u d\u00f2ng BV33, BV32, BV10, TB11, TB6, TB3; B\u1ea1ch \u0111\u00e0n: U6, PN14; Th\u00f4ng Caribea; Xoan ta.<\/p>\n

– \u0110\u1ecba \u0111i\u1ec3m thu\u1ed9c 2 v\u00f9ng kh\u00ed h\u1eadu: T\u00e2y tr\u01b0\u1eddng s\u01a1n t\u1ea1i Pleiku – Gia lai, \u0110\u00f4ng tr\u01b0\u1eddng s\u01a1n t\u1ea1i M\u2019Drak- Daklak.<\/p>\n

– Di\u1ec7n t\u00edch, m\u00f4 h\u00ecnh kh\u1ea3o nghi\u1ec7m: Pleiku – Gia lai 10 ha; M\u2019Drak – Daklak\u00a0 3ha<\/p>\n

– V\u1ec1 gi\u1ea3i ph\u00e1p k\u0129 thu\u1eadt \u00e1p d\u1ee5ng: Tr\u1ed3ng r\u1eebng th\u00e2m canh l\u1ea5y g\u1ed7 l\u1edbn.<\/p>\n

+ X\u00e2y d\u1ef1ng b\u1ea3n h\u01b0\u1edbng d\u1eabn k\u0129 thu\u1eadt v\u00e0 t\u1ed5ng k\u1ebf \u0111\u1ec1 t\u00e0i.<\/p>\n

2.3. Ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u.<\/b><\/p>\n

+ Ph\u1ea1m vi nghi\u00ean c\u1ee9u:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/b><\/p>\n

Xu\u1ea5t ph\u00e1t t\u1eeb m\u1ee5c ti\u00eau, \u0111\u1eb7c \u0111i\u1ec3m t\u1ef1 nhi\u00ean v\u00e0 kinh t\u1ebf-x\u00e3 h\u1ed9i, \u0111i\u1ec1u ki\u1ec7n l\u1eadp \u0111\u1ecba v\u00e0 lo\u00e0i c\u00e2y tr\u1ed3ng t\u1ea1i T\u00e2y nguy\u00ean nh\u01b0\u00a0 \u0111\u00e3 n\u00eau, ph\u1ea1m vi nghi\u00ean c\u1ee9u c\u1ee7a \u0111\u1ec1 t\u00e0i l\u00e0:<\/p>\n

Kh\u1ea3o nghi\u1ec7m v\u00e0 x\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh tr\u1ed3ng r\u1eebng l\u1ea5y g\u1ed7 m\u1ed9t s\u1ed1 d\u00f2ng Keo lai, B\u1ea1ch \u0111\u00e0n, Th\u00f4ng caribea, Xoan t\u1ea1i T\u00e2y nguy\u00ean.<\/p>\n

+ Ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u:<\/b><\/p>\n

– Ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng qu\u00e1t:<\/p>\n

Nghi\u00ean c\u1ee9u \u1ee9ng d\u1ee5ng c\u00e1c ti\u1ebfn b\u1ed9 k\u0129 thu\u1eadt v\u1ec1 gi\u1ed1ng tr\u1ed3ng r\u1eebng, k\u0129 thu\u1eadt th\u00e2m canh, k\u1ebf th\u1eeba c\u00f3 ch\u1ecdn l\u1ecdc t\u1eeb c\u00e1c nghi\u00ean c\u1ee9u th\u00ed, nghi\u1ec7m \u0111\u00e3 c\u00f3 trong v\u00f9ng nghi\u00ean c\u1ee9u.<\/p>\n

– Ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u c\u1ee5 th\u1ec3:<\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p k\u1ebf th\u1eeba: K\u1ebf th\u1eeba v\u00e0 s\u1eed d\u1ee5ng c\u00e1c t\u00e0i li\u1ec7u, th\u00f4ng tin, m\u00f4 h\u00ecnh tr\u1ed3ng r\u1eebng kh\u1ea3o nghi\u1ec7m v\u00e0 tr\u1ed3ng r\u1eebng s\u1ea3n xu\u1ea5t \u0111\u00e3 c\u00f3 \u0111\u1ec3 ph\u00e2n t\u00edch l\u1ef1a ch\u1ecdn. Kh\u1ea3o s\u00e1t, t\u1ed5ng h\u1ee3p, ph\u00e2n t\u00edch c\u00e1c y\u1ebfu t\u1ed1 t\u1ef1 nhi\u00ean, t\u00ecnh h\u00ecnh sinh tr\u01b0\u1edfng v\u00e0 k\u1ebft c\u1ea5u b\u1ec1n v\u1eefng c\u1ee7a r\u1eebng tr\u1ed3ng, \u0111\u1eb7c \u0111i\u1ec3m sinh th\u00e1i lo\u00e0i c\u00e2y tr\u1ed3ng nh\u1eb1m x\u00e2y d\u1ef1ng v\u00e0 ho\u00e0n thi\u1ec7n bi\u1ec7n ph\u00e1p k\u0129 thu\u1eadt.<\/p>\n

\u1ee8ng d\u1ee5ng ti\u1ebfn b\u1ed9 k\u0129 thu\u1eadt v\u1ec1 gi\u1ed1ng, k\u1ef9 thu\u1eadt th\u00e2m canh r\u1eebng tr\u1ed3ng ti\u00ean ti\u1ebfn \u0111\u1ec3 ti\u1ebfn h\u00e0nh c\u00e1c nghi\u00ean c\u1ee9u, th\u00ed nghi\u1ec7m, d\u1ef1ng m\u00f4 h\u00ecnh kh\u1ea3o nghi\u1ec7m tr\u00ean th\u1ef1c \u0111\u1ecba.<\/p>\n

Thu th\u1eadp s\u1ed1 li\u1ec7u t\u0103ng tr\u01b0\u1edfng theo \u00f4 ti\u00eau chu\u1ea9n, dung l\u01b0\u1ee3ng 35 c\u00e2y\/\u00f4.<\/p>\n

T\u1ed5ng h\u1ee3p ph\u00e2n t\u00edch, \u0111\u00e1nh gi\u00e1 k\u1ebft qu\u1ea3 theo c\u00e1c ti\u00eau chu\u1ea9n th\u1ed1ng k\u00ea tr\u00ean m\u00e1y vi t\u00ednh..<\/p>\n

\u00a0<\/b><\/p>\n

III. K\u1ebeT QU\u1ea2 NGHI\u00caN C\u1ee8U V\u00c0 TH\u1ea2O LU\u1eacN<\/b><\/p>\n

3.1. K\u1ebft qu\u1ea3 kh\u1ea3o s\u00e1t th\u1ef1c \u0111\u1ecba.<\/b><\/p>\n

T\u00e2y Nguy\u00ean c\u00f3 ti\u1ec1m n\u0103ng \u0111\u1ea5t \u0111ai r\u1ed9ng l\u1edbn, nh\u00e2n l\u1ef1c d\u1ed3i d\u00e0o \u0111\u00e3 v\u00e0 \u0111ang tr\u1edf th\u00e0nh v\u00f9ng kinh t\u1ebf tr\u1ecdng \u0111i\u1ec3m ph\u00e1t tri\u1ec3n r\u1eebng tr\u1ed3ng cung c\u1ea5p g\u1ed7 hi\u1ec7n nay \u1edf n\u01b0\u1edbc ta. T\u1eadp \u0111o\u00e0n c\u00e2y tr\u1ed3ng r\u1eebng ch\u00ednh l\u00e0 c\u00e1c lo\u00e0i c\u00e2y m\u1ecdc nhanh l\u1ea5y g\u1ed7 nguy\u00ean li\u1ec7u nh\u01b0: Th\u00f4ng 3 l\u00e1, Th\u00f4ng caribea, Keo l\u00e1 tr\u00e0m, Keo lai, Keo tai t\u01b0\u1ee3ng, B\u1ea1ch \u0111\u00e0n v\u00e0 m\u1ed9t s\u1ed1 lo\u00e0i c\u00e2y b\u1ea3n \u0111\u1ecba cung c\u1ea5p g\u1ed7 l\u1edbn. T\u00ednh \u0111\u1ebfn nay 5 t\u1ec9nh T\u00e2y nguy\u00ean \u0111\u00e3 tr\u1ed3ng \u0111\u01b0\u1ee3c 150 ng\u00e0n ha, tr\u1eef l\u01b0\u1ee3ng \u01b0\u1edbc t\u00ednh kho\u1ea3ng 3 tri\u1ec7u m3, v\u1edbi m\u1ee5c ti\u00eau ch\u1ee7 y\u1ebfu l\u00e0 cung c\u1ea5p g\u1ed7 nguy\u00ean li\u1ec7u c\u00f4ng nghi\u1ec7p. Do \u0111\u1eb7c \u0111i\u1ec3m kh\u00ed h\u1eadu kh\u00f4 n\u00f3ng, m\u00f9a kh\u00f4 k\u00e9o d\u00e0i tr\u00ean 6 th\u00e1ng v\u00e0 r\u1ea5t kh\u1eafc nghi\u1ec7t, \u0111\u1ea5t \u0111ai canh t\u00e1c l\u00e2u ng\u00e0y tr\u1edf n\u00ean x\u00f3i m\u00f2n, tho\u00e1i h\u00f3a, bi\u1ebfn ch\u1ea5t ngh\u00e8o dinh d\u01b0\u1ee1ng n\u00ean n\u0103ng su\u1ea5t c\u00e2y tr\u1ed3ng r\u1ea5t th\u1ea5p, vi\u1ec7c tr\u1ed3ng r\u1eebng mang l\u1ea1i hi\u1ec7u qu\u1ea3 kinh t\u1ebf ch\u01b0a cao.<\/p>\n

R\u1eebng tr\u1ed3ng t\u1eeb n\u0103m 2000 tr\u1edf v\u1ec1 tr\u01b0\u1edbc, h\u1ea7u h\u1ebft l\u00e0 Keo l\u00e1 tr\u00e0m, Th\u00f4ng ba l\u00e1, B\u1ea1ch \u0111\u00e0n tr\u1eafng nh\u01b0ng \u0111\u00e3 gi\u00e0 c\u1ed7i, th\u01b0a th\u1edbt, c\u00e2y tr\u1ed3ng sinh tr\u01b0\u1edfng r\u1ea5t k\u00e9m, n\u0103ng su\u1ea5t th\u1ea5p ch\u1ec9 \u0111\u1ea1t 6-8m3\/ha\/n\u0103m.<\/p>\n

R\u1eebng tr\u1ed3ng t\u1eeb n\u0103m 2001 l\u1ea1i \u0111\u00e2y, ch\u1ee7 y\u1ebfu l\u00e0 Keo lai, Keo l\u00e1 tr\u00e0m, Keo tai t\u01b0\u1ee3ng, B\u1ea1ch \u0111\u00e0n v\u00e0 m\u1ed9t \u00edt Th\u00f4ng 3 l\u00e1 n\u0103ng su\u1ea5t \u0111\u1ea1t 10-12m3\/ha.<\/p>\n

B\u00ean c\u1ea1nh nh\u1eefng k\u1ebft qu\u1ea3 \u0111\u1ea1t \u0111\u01b0\u1ee3c, v\u1ea5n \u0111\u1ec1 tr\u1ed3ng r\u1eebng hi\u1ec7n nay c\u00f2n c\u00f3 nhi\u1ec1u b\u1ea5t c\u1eadp, di\u1ec7n t\u00edch v\u00e0 lo\u00e0i c\u00e2y tr\u1ed3ng \u0111ang ph\u00e1t tri\u1ec3n theo h\u01b0\u1edbng t\u1ef1 ph\u00e1t, ch\u01b0a c\u00f3 quy ho\u1ea1ch t\u1ed5ng th\u1ec3 v\u00e0 qu\u1ea3n l\u00ed ch\u1eb7t ch\u1ebd, c\u0169ng nh\u01b0 thi\u1ebfu s\u1ef1 h\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt v\u00e0 chuy\u1ec3n giao c\u00f4ng ngh\u1ec7 m\u1edbi cho nh\u00e2n d\u00e2n trong v\u00f9ng, nh\u1ea5t l\u00e0 v\u00f9ng \u0111\u1ed3ng b\u00e0o c\u00e1c d\u00e2n t\u1ed9c \u00edt ng\u01b0\u1eddi. Tuy nhi\u00ean vi\u1ec7c tr\u1ed3ng r\u1eebng t\u1ea1i T\u00e2y nguy\u00ean c\u0169ng \u0111\u1ea1t \u0111\u01b0\u1ee3c nh\u1eefng k\u1ebft qu\u1ea3 nh\u1ea5t \u0111\u1ecbnh, b\u01b0\u1edbc \u0111\u1ea7u \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c m\u1ed9t ph\u1ea7n v\u1ec1 nhu c\u1ea7u g\u1ed7 nguy\u00ean li\u1ec7u t\u1ea1i ch\u1ed5, h\u1ea1n ch\u1ebf nh\u1eadp kh\u1ea9u, ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c ngo\u1ea1i t\u1ec7, t\u1ea1o th\u00eam vi\u1ec7c l\u00e0m, t\u0103ng thu nh\u1eadp v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u01b0\u1ee3c \u0111\u1eddi s\u1ed1ng nh\u00e2n d\u00e2n trong v\u00f9ng. B\u00ean c\u1ea1nh \u0111\u00f3 c\u0169ng ph\u00e1t sinh nhi\u1ec1u m\u1eb7t ti\u00eau c\u1ef1c kh\u00e1c nh\u01b0: ch\u1eb7t ph\u00e1 r\u1eebng t\u1ef1 nhi\u00ean \u0111\u1ec3 l\u1ea5y \u0111\u1ea5t tr\u1ed3ng r\u1eebng, tr\u1ed3ng c\u00e2y c\u00f4ng nghi\u1ec7p kh\u00e1c Cao su, C\u00e0 ph\u00ea, x\u00e2y d\u1ef1ng th\u1ee7y \u0111i\u1ec7n, \u0111\u01b0\u1eddng s\u00e1 … l\u00e0m cho di\u1ec7n t\u00edch r\u1eebng t\u1ef1 nhi\u00ean b\u1ecb thu h\u1eb9p, m\u00f4i tr\u01b0\u1eddng s\u1ed1ng b\u1ecb t\u00e0n ph\u00e1\u2026 thi\u00ean tai l\u0169 l\u1ee5t gia t\u0103ng.<\/p>\n

3.2.\u00a0 K\u1ebft qu\u1ea3 kh\u1ea3o nghi\u1ec7m:<\/b><\/p>\n

+ \u00a0\u0110\u1ecba \u0111i\u1ec3m: t\u1ea1i Pleiku – Gia lai v\u00e0 t\u1ea1i M\u2019Drak- Daklak.<\/p>\n

+ \u0110\u1eb7c \u0111i\u1ec3m l\u1eadp \u0111\u1ecba:<\/p>\n

– Pleiku – Gia lai, thu\u1ed9c v\u00f9ng kh\u00ed h\u1eadu nhi\u1ec7t \u0111\u1edbi kh\u00f4 n\u00f3ng T\u00e2y tr\u01b0\u1eddng s\u01a1n, c\u00f3 m\u00f9a kh\u00f4 k\u00e9o d\u00e0i t\u1eeb th\u00e1ng 12 \u0111\u1ebfn th\u00e1ng 5 n\u0103m sau r\u1ea5t kh\u1eafc nghi\u1ec7t, l\u01b0\u1ee3ng m\u01b0a 2000-2500mm\/n\u0103m, t\u1eadp trung ch\u1ee7 y\u1ebfu v\u00e0o th\u00e1ng 7-8- 9.\u00a0 \u0110\u1ea5t Feralis \u0111\u1ecf n\u00e2u, t\u1eebng d\u1ea7y tr\u00ean 1m ph\u00e1t tri\u1ec3n tr\u00ean \u0111\u00e1 ba zan, \u0111\u00e3 b\u1ecb tho\u00e1i h\u00f3a sau canh t\u00e1c k\u00e9o d\u00e0i, th\u1ef1c b\u00ec c\u1ecf tranh c\u00e2y b\u1ee5i.<\/p>\n

– M\u2019drak – \u0110\u0103k l\u0103k, thu\u1ed9c v\u00f9ng kh\u00ed h\u1eadu nhi\u1ec7t \u0111\u1edbi t\u01b0\u01a1ng \u0111\u1ed1i \u00f4n h\u00f2a \u0110\u00f4ng tr\u01b0\u1eddng s\u01a1n, m\u00f9a kh\u00f4 \u00edt kh\u1eafc nghi\u1ec7t h\u01a1n, l\u01b0\u1ee3ng m\u01b0a 2000-3000mm\/n\u0103m. \u0110\u1ea5t Feralis x\u00e1m v\u00e0ng t\u1ea7ng m\u1ecfng 50cm, ph\u00e1t tri\u1ec3n tr\u00ean \u0111\u00e1 Granis, th\u1ef1c b\u00ec c\u1ecf tranh, c\u00e2y b\u1ee5i th\u1ea5p.<\/p>\n

+ Ngu\u1ed3n gi\u1ed1ng:<\/p>\n

– Keo lai gi\u00e2m hom (6 d\u00f2ng) BV33, BV32, BV10, TB11, TB6, TB3;<\/p>\n

– B\u1ea1ch \u0111\u00e0n m\u00f4 (2 d\u00f2ng): U6, PN14;<\/p>\n

– \u00a0Th\u00f4ng Caribaea v\u00e0 Xoan gieo \u01b0\u01a1m t\u1eeb h\u1ea1t.<\/p>\n

+ K\u0129 thu\u1eadt \u00e1p d\u1ee5ng:<\/p>\n

– L\u00e0m \u0111\u1ea5t b\u1eb1ng c\u01a1 gi\u1edbi c\u00e0y ng\u1ea7m theo r\u1ea1ch + th\u1ee7 c\u00f4ng cu\u1ed1c h\u1ed1 tr\u00ean r\u1ea1ch \u0111\u00e3 c\u00e0y.<\/p>\n

– Ph\u00e2n b\u00f3n: B\u00f3n th\u00fac b\u1eb1ng h\u1ed7n h\u1ee3p vi sinh s\u00f4ng gianh 0.3kg\/g\u1ed1c + NPK (16-16-8) 150g\/g\u1ed1c, b\u00f3n th\u00fac b\u1eb1ng NPK(16-16-8) 100g\/g\u1ed1c\/n\u0103m.<\/p>\n

– Ch\u0103m s\u00f3c ph\u00e1t quang th\u1ef1c b\u00ec to\u00e0n di\u1ec7n, d\u1eaby c\u1ecf vun g\u1ed1c, t\u1ec9a c\u00e0nh, t\u1ec9a th\u01b0a c\u00e1c c\u00e2y x\u1ea5u, n\u01a1i m\u1eadt \u0111\u1ed9 qu\u00e1 d\u00e0y v\u00e0o n\u0103m th\u1ee9 2.<\/p>\n

+ Quy m\u00f4, s\u1ed1 l\u01b0\u1ee3ng m\u00f4 h\u00ecnh: Pleiku – Gia lai 10 ha; M\u2019Drak – Daklak 3 ha<\/p>\n

– B\u1ed1 tr\u00ed th\u00ed nghi\u1ec7m: Lo\u00e0i c\u00e2y\u00a0 x\u00a0 3 m\u1eadt \u0111\u1ed9\u00a0 x 2 khu v\u1ef1c kh\u00ed h\u1eadu\u00a0 x 3 l\u1ea7n l\u1eb7p.<\/p>\n

Bi\u1ec3u 1: K\u1ebft c\u1ea5u kh\u1ed1i th\u00ed nghi\u1ec7m \u00a0v\u00e0 di\u1ec7n t\u00edch m\u00f4 h\u00ecnh tr\u00ean th\u1ef1c \u0111\u1ecba<\/i><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\n

TT<\/p>\n<\/td>\n

\u0110\u1ecba \u0111i\u1ec3m\/Lo\u00e0i c\u00e2y<\/td>\n\n

T\u1ea1i Pleiku<\/p>\n<\/td>\n

\n

T\u1ea1i M\u2019drak<\/p>\n<\/td>\n<\/tr>\n

\n

K\u1ebft c\u1ea5u kh\u1ed1i<\/p>\n<\/td>\n

\n

Di\u1ec7n t\u00edch<\/p>\n<\/td>\n

\n

K\u1ebft c\u1ea5u kh\u1ed1i<\/p>\n<\/td>\n

\n

Di\u1ec7n t\u00edch<\/p>\n<\/td>\n<\/tr>\n

\n

M\u1eadt \u0111\u1ed9<\/p>\n<\/td>\n

\n

L\u1ea7n l\u1eb7p<\/p>\n<\/td>\n

<\/td>\n\n

M\u1eadt \u0111\u1ed9<\/p>\n<\/td>\n

\n

L\u1ea7n l\u1eb7p<\/p>\n<\/td>\n

<\/td>\n<\/tr>\n
\n

1<\/b><\/p>\n<\/td>\n

Keo Lai<\/b><\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
\n

–<\/p>\n<\/td>\n

Keo lai TB1<\/td>\n\n

3<\/p>\n<\/td>\n

\n

3<\/p>\n<\/td>\n

\n

1ha<\/p>\n<\/td>\n

\n

3<\/p>\n<\/td>\n

\n

3<\/p>\n<\/td>\n

\n

0.33ha<\/p>\n<\/td>\n<\/tr>\n

\n

–<\/p>\n<\/td>\n

Keo lai TB 3<\/td>\n\n

3<\/p>\n<\/td>\n

\n

3<\/p>\n<\/td>\n

\n

1ha<\/p>\n<\/td>\n

\n

3<\/p>\n<\/td>\n

\n

3<\/p>\n<\/td>\n

\n

0.33ha<\/p>\n<\/td>\n<\/tr>\n

\n

–<\/p>\n<\/td>\n

Keo lai TB11<\/td>\n\n

3<\/p>\n<\/td>\n

\n

3<\/p>\n<\/td>\n

\n

1ha<\/p>\n<\/td>\n

\n

3<\/p>\n<\/td>\n

\n

3<\/p>\n<\/td>\n

\n

0.33ha<\/p>\n<\/td>\n<\/tr>\n

\n

–<\/p>\n<\/td>\n

Keo lai\u00a0 BV32<\/td>\n\n

3<\/p>\n<\/td>\n

\n

3<\/p>\n<\/td>\n

\n

1ha<\/p>\n<\/td>\n

\n

3<\/p>\n<\/td>\n

\n

3<\/p>\n<\/td>\n

\n

0.33ha<\/p>\n<\/td>\n<\/tr>\n

\n

–<\/p>\n<\/td>\n

Keo lai\u00a0 VB33<\/td>\n\n

3<\/p>\n<\/td>\n

\n

3<\/p>\n<\/td>\n

\n

1ha<\/p>\n<\/td>\n

\n

3<\/p>\n<\/td>\n

\n

3<\/p>\n<\/td>\n

\n

0.33ha<\/p>\n<\/td>\n<\/tr>\n

\n

–<\/p>\n<\/td>\n

Keo lai\u00a0 BV10<\/td>\n\n

3<\/p>\n<\/td>\n

\n

3<\/p>\n<\/td>\n

\n

1ha<\/p>\n<\/td>\n

\n

3<\/p>\n<\/td>\n

\n

3<\/p>\n<\/td>\n

\n

0.33ha<\/p>\n<\/td>\n<\/tr>\n

\n

2<\/b><\/p>\n<\/td>\n

B\u1ea1ch \u0111\u00e0n<\/b><\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
\n

–<\/p>\n<\/td>\n

B\u1ea1ch \u0111\u00e0n U6<\/td>\n\n

3<\/p>\n<\/td>\n

\n

3<\/p>\n<\/td>\n

\n

1ha<\/p>\n<\/td>\n

\n

3<\/p>\n<\/td>\n

\n

3<\/p>\n<\/td>\n

\n

0.25ha<\/p>\n<\/td>\n<\/tr>\n

\n

–<\/p>\n<\/td>\n

B\u1ea1ch \u0111\u00e0n PN14<\/td>\n\n

3<\/p>\n<\/td>\n

\n

3<\/p>\n<\/td>\n

\n

1ha<\/p>\n<\/td>\n

\n

3<\/p>\n<\/td>\n

\n

3<\/p>\n<\/td>\n

\n

0.25ha<\/p>\n<\/td>\n<\/tr>\n

\n

3<\/b><\/p>\n<\/td>\n

Xoan ta<\/b><\/td>\n\n

3<\/p>\n<\/td>\n

\n

3<\/p>\n<\/td>\n

\n

1ha<\/p>\n<\/td>\n

\n

3<\/p>\n<\/td>\n

\n

3<\/p>\n<\/td>\n

\n

0.25ha<\/p>\n<\/td>\n<\/tr>\n

\n

4<\/b><\/p>\n<\/td>\n

Th\u00f4ng caribea<\/b><\/td>\n\n

3<\/p>\n<\/td>\n

\n

3<\/p>\n<\/td>\n

\n

1ha<\/p>\n<\/td>\n

\n

3<\/p>\n<\/td>\n

\n

3<\/p>\n<\/td>\n

\n

0.25ha<\/p>\n<\/td>\n<\/tr>\n

\n

\u00a0<\/b><\/p>\n<\/td>\n

C\u1ed9ng<\/b><\/td>\n\n

\u00a0<\/b><\/p>\n<\/td>\n

\n

\u00a0<\/b><\/p>\n<\/td>\n

\n

10ha<\/b><\/p>\n<\/td>\n

\n

\u00a0<\/b><\/p>\n<\/td>\n

\n

\u00a0<\/b><\/p>\n<\/td>\n

\n

3ha.<\/b><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

+ K\u1ebft qu\u1ea3 th\u00ed nghi\u1ec7m<\/p>\n

– L\u01b0\u1ee3ng t\u0103ng tr\u01b0\u1edfng \u0111\u01b0\u1eddng k\u00ednh v\u00e0 chi\u1ec1u cao r\u1eebng tr\u1ed3ng h\u00e0ng n\u0103m c\u1ee5 th\u1ec3 nh\u01b0 nh\u01b0 sau:<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\n

Lo\u00e0i c\u00e2y\/ M\u1eadt \u0111\u1ed9<\/p>\n<\/td>\n

\n

V\u00f9ng Pleiku- Gia lai\/ 24 th\u00e1ng tu\u1ed5i<\/p>\n<\/td>\n

\n

M’drak-\u0110aklak\/ 12 th\u00e1ng tu\u1ed5i<\/p>\n<\/td>\n<\/tr>\n

\n

D (cm)<\/p>\n<\/td>\n

\n

H (m)<\/p>\n<\/td>\n

\n

T\u0103ng tr\u01b0\u1edfng \/n\u0103m<\/p>\n<\/td>\n

\n

D (cm)<\/p>\n<\/td>\n

\n

H (m)<\/p>\n<\/td>\n

\n

T\u0103ng tr\u01b0\u1edfng \/n\u0103m<\/p>\n<\/td>\n<\/tr>\n

\n

rD<\/p>\n<\/td>\n

\n

rH<\/p>\n<\/td>\n

\n

rD<\/p>\n<\/td>\n

\n

rH<\/p>\n<\/td>\n<\/tr>\n

TB11<\/td>\n\n

6.49<\/p>\n<\/td>\n

\n

6.41<\/p>\n<\/td>\n

\n

3.24<\/p>\n<\/td>\n

\n

3.20<\/p>\n<\/td>\n

\n

2.20<\/p>\n<\/td>\n

\n

2.18<\/p>\n<\/td>\n

\n

2.20<\/p>\n<\/td>\n

\n

2.18<\/p>\n<\/td>\n<\/tr>\n

TB3<\/td>\n\n

6.37<\/p>\n<\/td>\n

\n

6.60<\/p>\n<\/td>\n

\n

3.18<\/p>\n<\/td>\n

\n

3.30<\/p>\n<\/td>\n

\n

2.37<\/p>\n<\/td>\n

\n

2.27<\/p>\n<\/td>\n

\n

2.37<\/p>\n<\/td>\n

\n

2.27<\/p>\n<\/td>\n<\/tr>\n

TB1<\/td>\n\n

5.53<\/p>\n<\/td>\n

\n

5.67<\/p>\n<\/td>\n

\n

2.77<\/p>\n<\/td>\n

\n

2.83<\/p>\n<\/td>\n

\n

2.37<\/p>\n<\/td>\n

\n

2.25<\/p>\n<\/td>\n

\n

2.37<\/p>\n<\/td>\n

\n

2.25<\/p>\n<\/td>\n<\/tr>\n

BV 33<\/td>\n\n

4.37<\/p>\n<\/td>\n

\n

4.46<\/p>\n<\/td>\n

\n

2.18<\/p>\n<\/td>\n

\n

2.23<\/p>\n<\/td>\n

\n

2.43<\/p>\n<\/td>\n

\n

2.33<\/p>\n<\/td>\n

\n

2.43<\/p>\n<\/td>\n

\n

2.33<\/p>\n<\/td>\n<\/tr>\n

BV 32<\/td>\n\n

3.93<\/p>\n<\/td>\n

\n

4.27<\/p>\n<\/td>\n

\n

1.97<\/p>\n<\/td>\n

\n

2.13<\/p>\n<\/td>\n

\n

2.23<\/p>\n<\/td>\n

\n

2.12<\/p>\n<\/td>\n

\n

2.23<\/p>\n<\/td>\n

\n

2.12<\/p>\n<\/td>\n<\/tr>\n

BV 10<\/td>\n\n

3.77<\/p>\n<\/td>\n

\n

3.93<\/p>\n<\/td>\n

\n

1.88<\/p>\n<\/td>\n

\n

1.97<\/p>\n<\/td>\n

\n

2.20<\/p>\n<\/td>\n

\n

2.17<\/p>\n<\/td>\n

\n

2.20<\/p>\n<\/td>\n

\n

2.17<\/p>\n<\/td>\n<\/tr>\n

B\u0110 U6<\/td>\n\n

3.68<\/p>\n<\/td>\n

\n

3.49<\/p>\n<\/td>\n

\n

1.42<\/p>\n<\/td>\n

\n

1.55<\/p>\n<\/td>\n

\n

2.60<\/p>\n<\/td>\n

\n

2.24<\/p>\n<\/td>\n

\n

2.60<\/p>\n<\/td>\n

\n

2.24<\/p>\n<\/td>\n<\/tr>\n

B\u0110 PN14<\/td>\n\n

3.37<\/p>\n<\/td>\n

\n

3.39<\/p>\n<\/td>\n

\n

1.18<\/p>\n<\/td>\n

\n

1.36<\/p>\n<\/td>\n

\n

3.03<\/p>\n<\/td>\n

\n

2.60<\/p>\n<\/td>\n

\n

3.03<\/p>\n<\/td>\n

\n

2.60<\/p>\n<\/td>\n<\/tr>\n

T. caribeae<\/td>\n\n

4.08<\/p>\n<\/td>\n

\n

2.12<\/p>\n<\/td>\n

\n

1.40<\/p>\n<\/td>\n

\n

1.06<\/p>\n<\/td>\n

\n

2.10<\/p>\n<\/td>\n

\n

1.10<\/p>\n<\/td>\n

\n

2.10<\/p>\n<\/td>\n

\n

1.10<\/p>\n<\/td>\n<\/tr>\n

Xoan (12 th\u00e1ng)<\/td>\n\n

1.40<\/p>\n<\/td>\n

\n

1.33<\/p>\n<\/td>\n

\n

1.40<\/p>\n<\/td>\n

\n

1.33<\/p>\n<\/td>\n

\n

2.03<\/p>\n<\/td>\n

\n

1.75<\/p>\n<\/td>\n

\n

2.03<\/p>\n<\/td>\n

\n

1.75<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

\u00a0<\/b><\/p>\n

\u00a0<\/b><\/p>\n

\u00a0<\/b><\/p>\n

IV. K\u1ebeT LU\u1eacN V\u00c0 KI\u1ebeN NGH\u1eca.<\/b><\/p>\n

1. K\u1ebft lu\u1eadn:<\/b><\/p>\n

a\/ C\u0103n c\u1ee9 v\u00e0o \u0111\u01b0\u1eddng k\u00ednh, chi\u1ec1u d\u00e0i v\u00e0 ph\u1ea9m ch\u1ea5t g\u1ed7, c\u00e1c lo\u1ea1i g\u1ed7 r\u1eebng tr\u1ed3ng Keo, Th\u00f4ng caribeae, Xoan v\u00e0 B\u1ea1ch \u0111\u00e0n \u0111\u1ec1u \u0111\u1ea1t ti\u00eau chu\u1ea9n, quy c\u00e1ch g\u1ed7 l\u1edbn theo quy \u0111\u1ecbnh hi\u1ec7n h\u00e0nh.<\/p>\n

b\/ Keo lai, B\u1ea1ch \u0111\u00e0n, Th\u00f4ng caribaea, Xoan l\u00e0 nh\u1eefng lo\u00e0i c\u00e2y c\u00f3 bi\u00ean \u0111\u1ed9 sinh th\u00e1i r\u1ed9ng, tr\u1ed3ng \u0111\u01b0\u1ee3c tr\u00ean h\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i \u0111\u1ea5t v\u00e0 v\u00f9ng kh\u00ed h\u1eadu kh\u00e1c nhau \u1edf T\u00e2y Nguy\u00ean. V\u1edbi k\u0129 thu\u1eadt th\u00e2m canh h\u1ee3p l\u00ed, c\u00e2y tr\u1ed3ng sinh tr\u01b0\u1edfng nhanh cho n\u0103ng su\u1ea5t t\u01b0\u01a1ng \u0111\u1ed1i cao v\u00e0 \u1ed5n \u0111\u1ecbnh, s\u1ea3n l\u01b0\u1ee3ng b\u00ecnh qu\u00e2n \u01b0\u1edbc t\u00ednh \u0111\u1ea1t 15-25m3\/ha\/n\u0103m t\u00f9y theo lo\u00e0i, g\u1ed7 t\u01b0\u01a1ng \u0111\u1ed1i t\u1ed1t, th\u00edch h\u1ee3p v\u1edbi c\u00f4ng ngh\u1ec7 ch\u1ebf t\u1ea1o \u0111\u1ed3 m\u1ed9c gia d\u1ee5ng v\u00e0 \u0111\u01b0\u1ee3c th\u1ecb tr\u01b0\u1eddng ch\u1ea5p nh\u1eadn. Gi\u1eefa c\u00e1c lo\u00e0i c\u00e2y c\u00f3 s\u1ef1 kh\u00e1c nhau v\u1ec1 l\u01b0\u1ee3ng t\u0103ng tr\u01b0\u1edfng v\u00e0 chu k\u00ec kinh doanh, th\u1eddi \u0111i\u1ec3m khai th\u00e0nh th\u1ee5c c\u00f4ng ngh\u1ec7 c\u0169ng nh\u01b0 ch\u1ebf bi\u1ebfn s\u1eed d\u1ee5ng g\u1ed7.<\/p>\n

+ Th\u00f4ng caribaea t\u0103ng tr\u01b0\u1edfng nhanh, \u0111\u01b0\u1eddng k\u00ednh \u0111\u1ea1t 2-3cm\/n\u0103m; chi\u1ec1u cao 1,5-1,7cm\/n\u0103m, chu k\u00ec kinh doanh d\u00e0i tr\u00ean 20 n\u0103m, g\u1ed7 c\u00f3 v\u00e2n \u0111\u1eb9p, nhi\u1ec1u c\u00f4ng d\u1ee5ng. \u0110\u00e2y l\u00e0 lo\u00e0i c\u00e2y tr\u1ed3ng l\u1ea5y g\u1ed7 l\u1edbn r\u1ea5t c\u00f3 tri\u1ec3n v\u1ecdng nh\u1ea5t \u1edf T\u00e2y Nguy\u00ean hi\u1ec7n nay.<\/p>\n

+ C\u00e1c d\u00f2ng Keo lai \u0111\u1ec1u sinh tr\u01b0\u1edfng nhanh, n\u0103ng su\u1ea5t cao, t\u0103ng tr\u01b0\u1edfng \u0111\u01b0\u1eddng k\u00ednh \u0111\u1ea1t 2,0-3,3cm\/n\u0103m, chi\u1ec1u cao 2-3,3m\/n\u0103m, chu k\u00ec kinh doanh ng\u1eafn th\u01b0\u1eddng 8-12 n\u0103m, g\u1ed7 m\u00e0u s\u00e1ng \u0111\u1eb9p, l\u00e0m \u0111\u1ed3 m\u1ed9c v\u00e0 nguy\u00ean li\u1ec7u gi\u1ea5y. Trong 6 d\u00f2ng Keo lai \u0111\u01b0\u1ee3c kh\u1ea3o nghi\u1ec7m t\u1ea1i Pleiku c\u00e1c d\u00f2ng Keo TB sinh tr\u01b0\u1edfng nhanh v\u00e0 \u00edt b\u1ecb b\u1ec7nh h\u1ea1i h\u01a1n c\u00e1c d\u00f2ng Keo BV, \u0111\u1eb7c bi\u1ec7t d\u00f2ng TB3, TB11 sinh tr\u01b0\u1edfng r\u1ea5t t\u1ed1t t\u01b0ng tr\u01b0\u1edfng \u0111\u01b0\u1eddng k\u00ednh \u0111\u1ea1t 3.24cm\/n\u0103m v\u00e0 chi\u1ec1u cao \u0111\u1ea1t 3.3m\/n\u0103m; t\u1ea1i M\u2019drak k\u1ebft qu\u1ea3 cho th\u1ea5y gi\u1eefa c\u00e1c d\u00f2ng BV v\u00e0 TB ch\u01b0a c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t. C\u00f3 th\u1ec3 n\u00f3i \u0111\u00e2y l\u00e0 lo\u00e0i c\u00e2y d\u1ec5 tr\u1ed3ng th\u00edch h\u1ee3p v\u1edbi \u0111ai \u0111a s\u1ed1 c\u00e1c d\u1ea1ng l\u1eadp \u0111\u1ecba t\u1ea1i T\u00e2y Nguy\u00ean, cho n\u0103ng su\u1ea5t t\u01b0\u01a1ng \u0111\u1ed1i cao.<\/p>\n

+ C\u00e1c d\u00f2ng B\u1ea1ch \u0111\u00e0n U6 v\u00e0 PN14 sinh tr\u01b0\u1edfng r\u1ea5t kh\u00e1c nhau tr\u00ean c\u00e1c v\u00f9ng l\u1eadp \u0111\u1ecba, t\u0103ng tr\u01b0\u1edfng \u0111\u01b0\u1eddng k\u00ednh \u0111\u1ea1t 1,5-2,5cm\/n\u0103m, chi\u1ec1u cao \u0111\u1ea1t 1,5-2,5m\/n\u0103m.Qua kh\u1ea3o nghi\u1ec7m cho th\u1ea5y B\u1ea1ch \u0111\u00e0n sinh tr\u01b0\u1edfng nhanh tr\u00ean v\u00f9ng \u0111\u1ed3i n\u00fai th\u1ea5p d\u01b0\u1edbi 600m, kh\u00ed h\u1eadu t\u01b0\u01a1ng \u0111\u1ed1i \u00f4n h\u00f2a \u0110\u00f4ng tr\u01b0\u1eddng s\u01a1n, v\u00f9ng \u0111\u1ed9 cao tr\u00ean 800m, kh\u00ed h\u1eadu T\u00e2y tr\u01b0\u1eddng s\u01a1n qu\u00e1 kh\u1eafc nghi\u1ec7t B\u1ea1ch \u0111\u00e0n sinh tr\u01b0\u1edfng k\u00e9m.<\/p>\n

+ Xoan tr\u1ed3ng r\u1eebng ch\u1ec9 sinh tr\u01b0\u1edfng t\u1ed1t tr\u00ean c\u00e1c l\u1eadp \u0111\u1ecba kh\u00ed h\u1eadu \u0110\u00f4ng tr\u01b0\u1eddng s\u01a1n, n\u01a1i \u0111\u1ea5t s\u00e2u t\u1ed1t, t\u1ea1i T\u00e2y tr\u01b0\u1eddng s\u01a1n c\u00e2y tr\u1ed3ng sinh tr\u01b0\u1edfng k\u00e9m, t\u0103ng tr\u01b0\u1edfng v\u1ec1 \u0111\u01b0\u1eddng k\u00ednh \u0111\u1ea1t 1-1,5cm\/n\u0103m, chi\u1ec1u cao \u0111\u1ea1t 1-2m\/n\u0103m, t\u1ea1i M\u2019drak t\u0103ng tr\u01b0\u1edfng nhanh h\u01a1n, \u0111\u01b0\u1eddng \u0111\u1ea1t 2-2,5cm\/n\u0103m, chi\u1ec1u cao \u0111\u1ea1t 1,8 – 2m\/n\u0103m. Xoan l\u00e0 c\u00e2y s\u1ed1ng l\u00e2u n\u0103m, \u0111\u01b0\u1eddng k\u00ednh t\u00e1n l\u1edbn n\u00ean kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi vi\u1ec7c tr\u1ed3ng r\u1eebng t\u1eadp trung c\u00f3 m\u1eadt \u0111\u1ed9 d\u00e0y; Xoan tr\u1ed3ng ph\u00e2n t\u00e1n quanh n\u01b0\u01a1ng r\u1eaby, khu d\u00e2n c\u01b0 sinh tr\u01b0\u1edfng nhanh g\u1ea5p 2 l\u1ea7n tr\u1ed3ng r\u1eebng t\u1eadp trung, \u0111\u01b0\u1eddng k\u00ednh \u0111\u1ea1t 3-4cm\/n\u0103m, chi\u1ec1u cao \u0111\u1ea1t 2-2,5m\/n\u0103m. G\u1ed7 b\u1ec1n \u0111\u1eb9p r\u1ea5t \u0111\u01b0\u1ee3c c\u00f3 nhi\u1ec1u c\u00f4ng d\u1ee5ng v\u00e0 gi\u00e1 tr\u1ecb th\u01b0\u01a1ng ph\u1ea9m cao.<\/p>\n

T\u00f3m l\u1ea1i: Keo lai, B\u1ea1ch \u0111\u00e0n, Th\u00f4ng caribaea, Xoan l\u00e0 nh\u1eefng lo\u00e0i c\u00e2y tr\u1ed3ng sinh tr\u01b0\u1edfng t\u1ed1t tr\u00ean nhi\u1ec1u lo\u1ea1i \u0111\u1ea5t v\u00e0 v\u00f9ng kh\u00ed h\u1eadu kh\u00e1c nhau \u1edf T\u00e2y Nguy\u00ean, \u0111\u00e1p \u1ee9ng m\u1ee5c ti\u00eau tr\u1ed3ng r\u1eebng s\u1ea3n xu\u1ea5t g\u1ed7 l\u1edbn v\u00e0 g\u1ed7 nguy\u00ean li\u1ec7u c\u00f4ng nghi\u1ec7p.<\/p>\n

2. Ki\u1ebfn ngh\u1ecb:<\/p>\n

T\u00e2y Nguy\u00ean c\u00f3 \u0111\u1ecba b\u00e0n r\u1ed9ng l\u1edbn, \u0111\u1ecba h\u00ecnh chia c\u1eaft r\u1ea5t ph\u1ee9c t\u1ea1p, t\u1eeb \u0111\u00f3 h\u00ecnh th\u00e0nh nhi\u1ec1u v\u00f9ng kh\u00ed h\u1eadu v\u00e0 \u0111\u1ea5t \u0111ai kh\u00e1c nhau; v\u1edbi ngu\u1ed3n kinh ph\u00ed v\u00e0 th\u1eddi gian h\u1ea1n ch\u1ebf, \u0111\u1ec1 t\u00e0i \u0111\u00e3 l\u1ef1a ch\u1ecdn tri\u1ec3n khai x\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh kh\u1ea3o nghi\u1ec7m tr\u00ean 2 v\u00f9ng sinh th\u00e1i, kh\u00ed h\u1eadu kh\u00e1c bi\u1ec7t c\u00f3 di\u1ec7n t\u00edch tr\u1ed3ng r\u1eebng ch\u1ee7 y\u1ebfu t\u1ea1i Gia Lai v\u00e0 \u0110\u0103k L\u0103k. T\u1eeb k\u1ebft qu\u1ea3 kh\u1ea3o s\u00e1t th\u1ef1c \u0111\u1ecba, m\u00f4 h\u00ecnh kh\u1ea3o nghi\u1ec7m v\u00e0 thu th\u1eadp th\u00f4ng tin t\u1eeb c\u00e1c ngu\u1ed3n t\u00e0i li\u1ec7u kh\u00e1c, b\u01b0\u1edbc \u0111\u1ea7u \u0111\u1ec1 t\u00e0i kh\u1eb3ng \u0111\u1ecbnh c\u00e1c lo\u00e0i Keo lai, Th\u00f4ng caribeae, Xoan v\u00e0 B\u1ea1ch \u0111\u00e0n, \u0111\u1ec1u \u0111\u00e1p \u1ee9ng m\u1ee5c ti\u00eau tr\u1ed3ng r\u1eebng cung c\u1ea5p g\u1ed7 l\u1edbn.<\/p>\n

Tuy nhi\u00ean m\u1ed7i lo\u00e0i c\u00e2y c\u00f3 \u0111\u1eb7c t\u00ednh sinh th\u00e1i kh\u00e1c nhau, \u0111\u00f2i h\u1ecfi l\u1eadp \u0111\u1ecba v\u00e0 gi\u1ea3i ph\u00e1p k\u0129 thu\u1eadt ri\u00eang, nh\u01b0ng nh\u00ecn chung \u0111\u1ec1u tr\u1ed3ng r\u1eebng \u0111\u01b0\u1ee3c tr\u00ean h\u1ea7u h\u1ebft c\u00e1c d\u1ea1ng l\u1eadp \u0111\u1ecba. V\u1edbi th\u1eddi gian c\u00f3 h\u1ea1n, c\u00e1c k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u kh\u00f4ng kh\u1ecfi c\u00f3 nh\u1eefng thi\u1ebfu s\u00f3t nh\u1ea5t \u0111\u1ecbnh. \u0110\u1ec1 ngh\u1ecb cho ti\u1ebfp t\u1ee5c ch\u0103m s\u00f3c theo d\u00f5i v\u00e0 m\u1edf r\u1ed9ng kh\u1ea3o nghi\u1ec7m th\u00eam c\u00e1c l\u1eadp \u0111\u1ecba kh\u00e1c.<\/p>\n

 <\/p>\n

V.\u00a0 T\u00c0I LI\u1ec6U THAM KH\u1ea2O<\/b><\/p>\n

– Ho\u00e0ng Li\u00ean S\u01a1n: \u0110\u00e1nh gi\u00e1 m\u1ed9t s\u1ed1 d\u1ef1 \u00e1n L\u00e2m nghi\u1ec7p v\u00f9ng T\u00e2y Nguy\u00ean giai \u0111o\u1ea1n 1995-2005 (Nh\u00e0 XBNN-2008)<\/p>\n

– H\u1ed3 \u0110\u1ee9c Soa: Bi\u1ec7n ph\u00e1p k\u0129 thu\u1eadt n\u00e2ng cao ng\u0103ng su\u1ea5t r\u1eebng tr\u1ed3ng tr\u00ean \u0111\u1ea5t Ba zan tho\u00e1i h\u00f3a (T\u1ed5ng k\u1ebft \u0111\u1ec1 t\u00e0i \u2013 2008)<\/p>\n

– L\u00ea \u0110\u00ecnh Kh\u1ea3: Nghi\u00ean c\u1ee9u t\u1ea1o gi\u1ed1ng, nh\u00e2n gi\u1ed1ng cho 1 s\u1ed1 lo\u00e0i c\u00e2y tr\u1ed3ng ch\u1ee7 y\u1ebfu (2001)<\/p>\n

– Ho\u00e0ng Xu\u00e2n T\u00fd: N\u00e2ng cao c\u00f4ng ngh\u1ec7 th\u00e2m canh r\u1eebng tr\u1ed3ng (B\u1ed3 \u0111\u1ec1, B\u1ea1ch \u0111\u00e0n, Keo) \u0111\u1ec3 c\u1ea3i t\u1ea1o \u0111\u1ea5t v\u00e0 n\u00e2ng cao s\u1ea3n l\u01b0\u1ee3ng (\u0110\u1ec1 t\u00e0i KN-03 13; 1995)<\/p>\n

– Tr\u1ea7n V\u0103n Con: Nghi\u00ean c\u1ee9u b\u1ed5 sung nh\u1eb1m x\u00e1c \u0111\u1ecbnh m\u1ed9t s\u1ed1 lo\u00e0i c\u00e2y tr\u1ed3ng ch\u00ednh ph\u1ee5c v\u1ee5 tr\u1ed3ng r\u1eebng v\u00f9ng B\u1eafc T\u00e2y Nguy\u00ean (2001).<\/p>\n

– Mai \u0110\u00ecnh H\u1ed3ng: Th\u00ed nghi\u1ec7m lo\u00e0i v\u00e0 xu\u1ea5t x\u1ee9 B\u1ea1ch \u0111\u00e0n Keo \u1edf MangYang-Gia\u00a0 Lai (1996)<\/p>\n

– Nguy\u1ec5n V\u0103n Chi\u1ec3n: T\u00e2y Nguy\u00ean – C\u00e1c v\u00f9ng t\u1ef1 nhi\u00ean (NXB KHKT, H\u00e0 n\u1ed9i 1986)<\/p>\n

– Nguy\u1ec5n Huy S\u01a1n: 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 (\u0110\u1ec1 t\u00e0i c\u1ea5p NN- KC.06.05.NN)<\/p>\n

– Nguy\u1ec5n \u0110\u1ee9c Minh, Nguy\u1ec5n Thu H\u01b0\u01a1ng: Nghi\u00ean c\u1ee9u x\u00e1c \u0111\u1ecbnh dinh d\u01b0\u1ee1ng kho\u00e1ng (NPK) v\u00e0 ch\u1ebf \u0111\u1ed9 n\u01b0\u1edbc cho m\u1ed9t s\u1ed1 d\u00f2ng Keo lai, B\u1ea1ch \u0111\u00e0n \u1edf giai \u0111o\u1ea1n v\u01b0\u1eddn \u01b0\u01a1m v\u00e0 r\u1eebng non (B\u00e1o c\u00e1o TK \u0110T)<\/p>\n

– Ph\u1ea1m Quang Thu, Nguy\u1ec5n Ho\u00e0ng Ngh\u0129a: Ch\u1ecdn gi\u1ed1ng b\u1ea1ch \u0111\u00e0n ch\u1ed1ng ch\u1ecbu b\u1ec7nh c\u00f3 n\u0103ng su\u1ea5t cao. (B\u00e1o c\u00e1o t\u1ed5ng k\u1ebft \u0111\u1ec1 t\u00e0i)<\/p>\n

– Ph\u1ea1m \u0110\u00ecnh Tam, L\u1ea1i Thanh H\u1ea3i: \u0110i\u1ec1u tra x\u00e1c \u0111\u1ecbnh t\u1eadp \u0111o\u00e0n c\u00e2y tr\u1ed3ng r\u1eebng s\u1ea3n xu\u1ea5t c\u00f3 hi\u1ec7u qu\u1ea3 tr\u00ean c\u00e1c d\u1ea1ng l\u1eadp \u0111\u1ecba ch\u1ee7 y\u1ebfu trong c\u00e1c v\u00f9ng kinh t\u1ebf to\u00e0n qu\u1ed1c (B\u00e1o TK\u0110T)<\/p>\n

– S\u1ed1 li\u1ec7u ki\u1ec3m k\u00ea r\u1eebng c\u1ee7a S\u1edf N\u00f4ng nghi\u1ec7p & PTNT c\u00e1c t\u1ec9nh Gia lai, Kon tum v\u00e0 Daklak, \u0110\u0103k n\u00f4ng, L\u00e2m \u0111\u1ed3ng.<\/p>\n

 <\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

H\u1ed3 \u0110\u1ee9c Soa I. \u0110\u1eb6T V\u1ea4N \u0110\u1ec0 R\u1eebng t\u1ef1 nhi\u00ean hi\u1ec7n nay \u0111\u00e3 b\u1ecb suy tho\u00e1i nghi\u00eam tr\u1ecdng, v\u00ec v\u1eady vi\u1ec7c cung c\u1ea5p g\u1ed7 v\u00e0 b\u1ea3o v\u1ec7 m\u00f4i sinh r\u1ea5t b\u1ecb h\u1ea1n ch\u1ebf. \u0110\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u v\u1ec1 g\u1ed7, nhi\u1ec1u n\u01b0\u1edbc tr\u00ean th\u1ebf gi\u1edbi \u0111ang nhanh ch\u00f3ng ph\u00e1t tri\u1ec3n tr\u1ed3ng r\u1eebng c\u1ea3 v\u1ec1 di\u1ec7n […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[21,72],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/14649"}],"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\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/comments?post=14649"}],"version-history":[{"count":3,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/14649\/revisions"}],"predecessor-version":[{"id":14656,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/14649\/revisions\/14656"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=14649"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=14649"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=14649"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}