{"id":8782,"date":"2009-03-24T04:27:49","date_gmt":"2009-03-23T21:27:49","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2009\/03\/chuyen-hoa-rung-trong-keo-lai-nguyen-lieu-giay-thanh-rung-go-cong-nghiep-bang-phuong-phap-tia-thua\/"},"modified":"2019-09-24T11:01:09","modified_gmt":"2019-09-24T04:01:09","slug":"chuyen-hoa-rung-trong-keo-lai-nguyen-lieu-giay-thanh-rung-go-cong-nghiep-bang-phuong-phap-tia-thua","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/chuyen-hoa-rung-trong-keo-lai-nguyen-lieu-giay-thanh-rung-go-cong-nghiep-bang-phuong-phap-tia-thua\/","title":{"rendered":"CHUY\u1ec2N H\u00d3A R\u1eeaNG TR\u1ed2NG KEO LAI NGUY\u00caN LI\u1ec6U GI\u1ea4Y TH\u00c0NH R\u1eeaNG G\u1ed6 C\u00d4NG NGHI\u1ec6P B\u1eb0NG PH\u01af\u01a0NG PH\u00c1P T\u1ec8A TH\u01afA"},"content":{"rendered":"

Nguy\u1ec5n Thanh Minh<\/em><\/strong><\/p>\n

Trung t\u00e2m KH&SX L\u00e2m nghi\u1ec7p \u0110.N.B\u1ed9<\/em><\/h6>\n

Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t <\/em>Nam<\/em><\/p>\n

Keo lai (Acacia hybrid<\/em>) l\u00e0 c\u00e2y lai gi\u1eefa Keo tai t\u01b0\u1ee3ng (Acacia mangium<\/em>) v\u00e0 Keo l\u00e1 tr\u00e0m (Acacia auriculiformis<\/em>). Keo lai mang nhi\u1ec1u \u0111\u1eb7c t\u00ednh \u01b0u tr\u1ed9i nh\u01b0 sinh tr\u01b0\u1edfng nhanh, bi\u00ean \u0111\u1ed9 sinh th\u00e1i r\u1ed9ng, c\u1ea3i thi\u1ec7n \u0111\u01b0\u1ee3c t\u00ednh ch\u1ea5t c\u1ee7a \u0111\u1ea5t…\u0110\u1eb7c bi\u1ec7t g\u1ed7 Keo lai r\u1ea5t ph\u00f9 h\u1ee3p cho nguy\u00ean li\u1ec7u gi\u1ea5y, v\u00e1n nh\u00e2n t\u1ea1o… \u1ede n\u01b0\u1edbc ta th\u1eddi gian qua \u0111\u00e3 tr\u1ed3ng r\u1ea5t nhi\u1ec1u r\u1eebng Keo lai \u1edf h\u1ea7u h\u1ebft c\u00e1c t\u1ec9nh t\u1eeb \u0110\u00f4ng Nam B\u1ed9, T\u00e2y Nguy\u00ean, mi\u1ec1n Trung v\u00e0 c\u1ea3 mi\u1ec1n B\u1eafc v\u1edbi m\u1ee5c \u0111\u00edch l\u00e0m nguy\u00ean li\u1ec7u cho c\u00f4ng nghi\u1ec7p s\u1ea3n xu\u1ea5t gi\u1ea5y.<\/p>\n

Trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, gi\u00e1 tr\u1ecb c\u00e1c s\u1ea3n ph\u1ea9m ch\u1ebf bi\u1ebfn g\u1ed7 \u1edf n\u01b0\u1edbc ta t\u0103ng m\u1ea1nh, t\u1eeb 320 tri\u1ec7u USD n\u0103m 2000 l\u00ean \u0111\u1ebfn g\u1ea7n 1 t\u1ef7 USD n\u0103m 2004 v\u00e0 c\u00f3 nhi\u1ec1u tri\u1ec3n v\u1ecdng s\u1ebd gia t\u0103ng trong nh\u1eefng n\u0103m ti\u1ebfp theo. Tuy nhi\u00ean do vi\u1ec7c khai th\u00e1c r\u1eebng t\u1ef1 nhi\u00ean r\u1ea5t h\u1ea1n ch\u1ebf n\u00ean ng\u00e0nh c\u00f4ng nghi\u1ec7p ch\u1ebf bi\u1ebfn g\u1ed7 xu\u1ea5t kh\u1ea9u n\u01b0\u1edbc ta thi\u1ebfu nguy\u00ean li\u1ec7u tr\u1ea7m tr\u1ecdng, h\u00e0ng n\u0103m ph\u1ea3i nh\u1eadp kh\u1ea9u t\u1eeb 75 v\u1ea1n \u0111\u1ebfn 1 tri\u1ec7u m\u00e9t kh\u1ed1i g\u1ed7 c\u00e1c lo\u1ea1i. Do thi\u1ebfu nguy\u00ean li\u1ec7u n\u00ean g\u1ed7 r\u1eebng tr\u1ed3ng \u0111\u00e3 \u0111\u01b0\u1ee3c t\u1eadn d\u1ee5ng \u0111\u01b0a v\u00e0o ch\u1ebf bi\u1ebfn xu\u1ea5t kh\u1ea9u. Hi\u1ec7n nay t\u1ea1i th\u1ecb tr\u01b0\u1eddng v\u00f9ng \u0110\u00f4ng Nam B\u1ed9, g\u1ed7 Keo lai ho\u1eb7c Keo l\u00e1 tr\u00e0m c\u00f3 \u0111\u01b0\u1eddng k\u00ednh t\u1eeb 18cm tr\u1edf l\u00ean c\u00f3 gi\u00e1 t\u1eeb 1,2 tri\u1ec7u \u0111\u1ebfn 1,5 tri\u1ec7u \u0111\u1ed3ng\/m3<\/sup>, cao g\u1ea7n g\u1ea5p 3 l\u1ea7n so v\u1edbi g\u1ed7 nguy\u00ean li\u1ec7u gi\u1ea5y.<\/p>\n

Do \u0111\u00f3, \u0111\u01b0a nhanh g\u1ed7 r\u1eebng tr\u1ed3ng ph\u1ee5c v\u1ee5 cung c\u1ea5p nguy\u00ean li\u1ec7u cho c\u00f4ng nghi\u1ec7p ch\u1ebf bi\u1ebfn g\u1ed7 xu\u1ea5t kh\u1ea9u hi\u1ec7n nay l\u00e0 v\u1ea5n \u0111\u1ec1 b\u1ee9c thi\u1ebft v\u00e0 c\u00f3 \u00fd ngh\u0129a. Gi\u1ea3i ph\u00e1p chuy\u1ec3n h\u00f3a m\u1ed9t s\u1ed1 di\u1ec7n t\u00edch r\u1eebng tr\u1ed3ng Keo lai nguy\u00ean li\u1ec7u gi\u1ea5y th\u00e0nh r\u1eebng g\u1ed7 c\u00f4ng nghi\u1ec7p l\u00e0 ph\u00f9 h\u1ee3p trong \u0111i\u1ec1u ki\u1ec7n hi\u1ec7n nay. v\u00ec v\u1eady, th\u1ef1c hi\u1ec7n th\u1eed nghi\u1ec7m t\u1ec9a th\u01b0a r\u1eebng tr\u1ed3ng Keo lai nguy\u00ean li\u1ec7u gi\u1ea5y \u0111\u1ec3 chuy\u1ec3n h\u00f3a th\u00e0nh r\u1eebng g\u1ed7 nguy\u00ean li\u1ec7u c\u00f4ng nghi\u1ec7p l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u t\u00ecm c\u01a1 s\u1edf k\u1ef9 thu\u1eadt cho gi\u1ea3i ph\u00e1p tr\u00ean.<\/p>\n

M\u1ee5c ti\u00eau th\u00ed nghi\u1ec7m t\u1ec9a th\u01b0a v\u1edbi c\u00e1c c\u01b0\u1eddng \u0111\u1ed9 kh\u00e1c nhau c\u1ee7a r\u1eebng tr\u1ed3ng Keo lai l\u00e0 \u0111\u1ec3 xem x\u00e9t t\u1ed1c \u0111\u1ed9 sinh tr\u01b0\u1edfng v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a r\u1eebng Keo lai sau t\u1ec9a th\u01b0a. T\u1eeb \u0111\u00f3 \u0111\u00e1nh gi\u00e1 ti\u1ec1m n\u0103ng kinh doanh g\u1ed7 r\u1eebng tr\u1ed3ng t\u1ea1i v\u00f9ng \u0110\u00f4ng Nam B\u1ed9.<\/p>\n

1. \u0110\u1ed1i t\u01b0\u1ee3ng v\u00e0 ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u<\/strong><\/p>\n

1.1.<\/em><\/strong>\u0110\u1ed1i t\u01b0\u1ee3ng nghi\u00ean c\u1ee9u<\/em><\/strong><\/p>\n

\u0110\u1ed1i t\u01b0\u1ee3ng nghi\u00ean c\u1ee9u l\u00e0 l\u00e2m ph\u1ea7n Keo lai tr\u1ed3ng b\u1eb1ng c\u00e2y hom thu\u1ea7n lo\u1ea1i, \u0111\u1ed3ng tu\u1ed5i, m\u1eadt \u0111\u1ed9 tr\u1ed3ng 1660 c\u00e2y\/ha (2x3m), tr\u1ed3ng n\u0103m 8\/1998 tr\u00ean \u0111\u1ea5t x\u00e1m ph\u00f9 sa c\u1ed5 b\u1ea1c m\u00e0u \u1edf B\u00e0u B\u00e0ng \u2014 B\u00ecnh D\u01b0\u01a1ng<\/p>\n

1.2.Ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u.<\/em><\/strong><\/p>\n

-Ph\u01b0\u01a1ng ph\u00e1p t\u1ec9a th\u01b0a: t\u1ec9a th\u01b0a t\u1ea7ng d\u01b0\u1edbi, m\u1ed9t l\u1ea7n. \u0110\u1ed1i t\u01b0\u1ee3ng ch\u1eb7t t\u1ec9a th\u01b0a l\u00e0 nh\u1eefng c\u00e2y sinh tr\u01b0\u1edfng k\u00e9m, cong queo, s\u00e2u b\u1ec7nh v\u00e0 \u0111\u01b0\u1eddng k\u00ednh nh\u1ecf.<\/p>\n

-X\u00e1c \u0111\u1ecbnh m\u1eadt \u0111\u1ed9 t\u1ed1i \u01b0u \u1edf th\u1eddi \u0111i\u1ec3m t\u1ec9a th\u01b0a theo c\u00f4ng th\u1ee9c:<\/p>\n","protected":false},"excerpt":{"rendered":"

Keo lai (Acacia hybrid) là cây lai gi\u1eefa Keo tai t\u01b0\u1ee3ng (Acacia mangium) và Keo lá tràm (Acacia auriculiformis). Keo lai mang nhi\u1ec1u \u0111\u1eb7c tính \u01b0u tr\u1ed9i nh\u01b0 sinh tr\u01b0\u1edfng nhanh, biên \u0111\u1ed9 sinh thái r\u1ed9ng, c\u1ea3i thi\u1ec7n \u0111\u01b0\u1ee3c tính ch\u1ea5t c\u1ee7a \u0111\u1ea5t…\u0110\u1eb7c bi\u1ec7t g\u1ed7 Keo lai r\u1ea5t phù h\u1ee3p cho nguyên li\u1ec7u gi\u1ea5y, ván nhân t\u1ea1o… \u1ede n\u01b0\u1edbc ta th\u1eddi gian qua \u0111ã tr\u1ed3ng r\u1ea5t nhi\u1ec1u r\u1eebng Keo lai \u1edf h\u1ea7u h\u1ebft các t\u1ec9nh t\u1eeb \u0110ông Nam B\u1ed9, Tây Nguyên, mi\u1ec1n Trung và c\u1ea3 mi\u1ec1n B\u1eafc v\u1edbi m\u1ee5c \u0111ích làm nguyên li\u1ec7u cho công nghi\u1ec7p s\u1ea3n xu\u1ea5t gi\u1ea5y. Trong nh\u1eefng n\u0103m g\u1ea7n \u0111ây, giá tr\u1ecb các s\u1ea3n ph\u1ea9m ch\u1ebf bi\u1ebfn g\u1ed7 \u1edf n\u01b0\u1edbc ta t\u0103ng m\u1ea1nh, t\u1eeb 320 tri\u1ec7u USD n\u0103m 2000 lên \u0111\u1ebfn g\u1ea7n 1 t\u1ef7 USD n\u0103m 2004 và có nhi\u1ec1u tri\u1ec3n v\u1ecdng s\u1ebd gia t\u0103ng trong nh\u1eefng n\u0103m ti\u1ebfp theo. Tuy nhiên do vi\u1ec7c khai thác r\u1eebng t\u1ef1 nhiên r\u1ea5t h\u1ea1n ch\u1ebf nên ngành công nghi\u1ec7p ch\u1ebf bi\u1ebfn g\u1ed7 xu\u1ea5t kh\u1ea9u n\u01b0\u1edbc ta thi\u1ebfu nguyên li\u1ec7u tr\u1ea7m tr\u1ecdng, hàng n\u0103m ph\u1ea3i nh\u1eadp kh\u1ea9u t\u1eeb 75 v\u1ea1n \u0111\u1ebfn 1 tri\u1ec7u mét kh\u1ed1i g\u1ed7 các lo\u1ea1i. Do thi\u1ebfu nguyên li\u1ec7u nên g\u1ed7 r\u1eebng tr\u1ed3ng \u0111ã \u0111\u01b0\u1ee3c t\u1eadn d\u1ee5ng \u0111\u01b0a vào ch\u1ebf bi\u1ebfn xu\u1ea5t kh\u1ea9u. Hi\u1ec7n nay t\u1ea1i th\u1ecb tr\u01b0\u1eddng vùng \u0110ông Nam B\u1ed9, g\u1ed7 Keo lai ho\u1eb7c Keo lá tràm có \u0111\u01b0\u1eddng kính t\u1eeb 18cm tr\u1edf lên có giá t\u1eeb 1,2 tri\u1ec7u \u0111\u1ebfn 1,5 tri\u1ec7u \u0111\u1ed3ng\/m3, cao g\u1ea7n g\u1ea5p 3 l\u1ea7n so v\u1edbi g\u1ed7 nguyên li\u1ec7u gi\u1ea5y. <\/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\/8782"}],"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=8782"}],"version-history":[{"count":2,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/8782\/revisions"}],"predecessor-version":[{"id":19083,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/8782\/revisions\/19083"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=8782"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=8782"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=8782"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}