C\u00e2y teck (Tectona grandis), ngu\u1ed3n g\u1ed1c t\u1eeb \u1ea5n \u0110\u1ed9, Myanmar, Thailand v\u00e0 L\u00e0o, l\u00e0 lo\u00e0i c\u00e2y g\u1ed7 t\u1ea1o t\u00e1c \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 c\u00f4ng nghi\u1ec7p \u0111\u00e1nh gi\u00e1 cao. Di\u1ec7n t\u00edch ph\u00e2n b\u1ed1 t\u1ef1 nhi\u00ean c\u1ee7a c\u00e2y teck kho\u1ea3ng 25 tri\u1ec7u ha v\u00e0 nh\u00ecn chung th\u01b0\u1eddng m\u1ecdc h\u1ed7n giao v\u1edbi c\u00e1c lo\u00e0i c\u00e2y kh\u00e1c. C\u00e2y teck \u0111\u1ef1\u1ee3c khai th\u00e1c r\u1ed9ng r\u00e3i t\u1eeb 3 th\u1ebf k\u1ef7 nay \u0111\u1ec3 kh\u00f4ng c\u00f2n tho\u1ea3 m\u00e3n nhu c\u1ea7u c\u1ee7a th\u1ebf gi\u1edbi, nhi\u1ec1u d\u1ef1 \u00e1n tr\u1ed3ng c\u00e2y teck \u0111\u00e3 \u0111\u01b0\u1ee3c b\u1eaft \u0111\u1ea7u \u1edf nhi\u1ec1u d\u1ea3i ch\u00ed tuy\u1ebfn.<\/p>\n
V\u00e0o th\u1ebf k\u1ef7 14, c\u00e2y teck \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o \u0111\u1ea3o Java (Indonesia) b\u1eb1ng h\u1ea1t gi\u1ed1ng c\u1ee7a \u1ea5n \u0110\u1ed9. C\u1ea3nh quan \u1edf \u0111\u00e2y c\u00f3 nhi\u1ec1u \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho s\u1ef1 sinh tr\u01b0\u1edfng v\u00e0 nh\u00e2n gi\u1ed1ng t\u1ef1 nhi\u00ean c\u00e2y teck, b\u1edfi v\u1eady hi\u1ec7n nay \u0111\u1ea3o Java l\u00e0 n\u01a1i c\u00f3 qu\u1ea7n th\u1ec3 r\u1eebng Teck nh\u00e2n t\u1ea1o l\u1edbn nh\u1ea5t th\u1ebf gi\u1edbi (kho\u1ea3ng 1 tri\u1ec7u ha).<\/p>\n
T\u1eeb th\u1ebf k\u1ef7 19, nhi\u1ec1u n\u01a1i \u0111\u00e3 quy\u1ebft \u0111\u1ecbnh tr\u1ed3ng c\u00e2y teck b\u1edfi ch\u1ea5t l\u01b0\u1ee3ng r\u1ea5t t\u1ed1t c\u1ee7a g\u1ed7, c\u00e2y sinh tr\u01b0\u1edfng nhanh, gi\u00e1 b\u00e1n cao h\u01a1n m\u1ed9t s\u1ed1 l\u1edbn c\u00e1c lo\u00e0i c\u00e2y kh\u00e1c. Lo\u00e0i c\u00e2y teck n\u00e0y \u0111\u1eb7c bi\u1ec7t ph\u00e1t tri\u1ec3n t\u1ed1t tr\u00ean c\u00e1c t\u1ea7ng \u0111\u1ea5t s\u00e2u,. c\u00f3 v\u00f4i, \u0111\u1ed9 pH trung t\u00ednh, ti\u00eau n\u01b0\u1edbc t\u1ed1t, l\u01b0\u1ee3ng m\u01b0a trung b\u00ecnh h\u00e0ng n\u0103m 900 – 1200mm\/n\u0103m v\u00e0 c\u00f3 m\u1ed9t m\u00f9a kh\u00f4 r\u00f5 r\u1ec7t. Ng\u01b0\u1eddi ta c\u0169ng th\u1ea5y c\u00e2y teck ph\u00e1t tri\u1ec3n trong nh\u1eefng \u0111i\u1ec1u ki\u1ec7n c\u1ef1c \u0111i\u1ec3m v\u1edbi l\u01b0\u1ee3ng m\u01b0a h\u00e0ng n\u0103m t\u1eeb 600mm\/n\u0103m ho\u1eb7c t\u1eeb 3000mm\/n\u0103m. Hi\u1ec7n nay r\u1eebng tr\u1ed3ng teck che ph\u1ee7 g\u1ea7n 3 tri\u1ec7u ha tr\u00ean th\u1ebf gi\u1edbi v\u00e0 ph\u00e2n b\u1ed1 tr\u00ean 50 n\u01b0\u1edbc.<\/p>\n
Ch\u00e2u \u00e1 chi\u1ebfm 90% r\u1eebng tr\u1ed3ng teck t\u1ef1 nhi\u00ean, trong \u0111\u00f3 c\u00f3 Indonesia, c\u0169ng ph\u1ea3i k\u1ec3 \u0111\u1ebfn c\u00e1c n\u01b0\u1edbc kh\u00e1c nh\u01b0: Srilanca, Bangladesh, Philippines v\u00e0 Vi\u1ec7t Nam. \u1edf ch\u00e2u Phi, nh\u1eefng r\u1eebng tr\u1ed3ng teck b\u1eaft \u0111\u1ea7u c\u00f3 t\u1eeb cu\u1ed1i th\u1ebf k\u1ef7 19, sau m\u1ed9t th\u1eddi k\u1ef3 ti\u1ebfn tri\u1ec3n ch\u1eadm ch\u1ea1p, c\u00e2y teck tr\u1edf n\u00ean m\u1ed9t lo\u00e0i c\u00e2y \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 cao, nh\u1ea5t l\u00e0 \u1edf Nigeria, B\u1edd bi\u1ec3n Ng\u00e0, Tandania, Benanh, Xudang. T\u1ed5ng di\u1ec7n t\u00edch \u0111\u01b0\u1ee3c tr\u1ed3ng \u1edf ch\u00e2u Phi l\u00ean t\u1edbi 160.000 ha. \u1edf ch\u00e2u M\u1ef9 la tinh, n\u01a1i m\u00e0 c\u00e1c r\u1eebng tr\u1ed3ng teck m\u1edbi \u0111\u01b0\u1ee3c tr\u1ed3ng l\u1ea1i r\u1ea5t g\u1ea7n \u0111\u00e2y, m\u1ed9t tr\u00e0o l\u01b0u h\u00e2m m\u1ed9 m\u1edbi \u0111\u1ed1i v\u1edbi lo\u00e0i c\u00e2y n\u00e0y \u0111ang ph\u00e1t tri\u1ec3n, nh\u1ea5t l\u00e0 \u1edf Costarica, Brazin, Panama, Colombia, Xanvado.<\/p>\n
Mai Th\u00e0nh bi\u00ean d\u1ecbch t\u1eeb “Bois et for\u00eats des Tropiques”, No 262, 1999<\/i><\/p>\n","protected":false},"excerpt":{"rendered":"
C\u00e2y teck (Tectona grandis), ngu\u1ed3n g\u1ed1c t\u1eeb \u1ea5n \u0110\u1ed9, Myanmar, Thailand v\u00e0 L\u00e0o, l\u00e0 lo\u00e0i c\u00e2y g\u1ed7 t\u1ea1o t\u00e1c \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 c\u00f4ng nghi\u1ec7p \u0111\u00e1nh gi\u00e1 cao. Di\u1ec7n t\u00edch ph\u00e2n b\u1ed1 t\u1ef1 nhi\u00ean c\u1ee7a c\u00e2y teck kho\u1ea3ng 25 tri\u1ec7u ha v\u00e0 nh\u00ecn chung th\u01b0\u1eddng m\u1ecdc h\u1ed7n giao v\u1edbi c\u00e1c lo\u00e0i c\u00e2y kh\u00e1c. C\u00e2y teck \u0111\u1ef1\u1ee3c khai th\u00e1c r\u1ed9ng r\u00e3i t\u1eeb 3 th\u1ebf k\u1ef7 nay \u0111\u1ec3 kh\u00f4ng c\u00f2n tho\u1ea3 m\u00e3n nhu c\u1ea7u c\u1ee7a th\u1ebf gi\u1edbi, nhi\u1ec1u d\u1ef1 \u00e1n tr\u1ed3ng c\u00e2y teck \u0111\u00e3 \u0111\u01b0\u1ee3c b\u1eaft \u0111\u1ea7u \u1edf nhi\u1ec1u d\u1ea3i ch\u00ed tuy\u1ebfn.<\/p>\n","protected":false},"author":2,"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\/284"}],"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=284"}],"version-history":[{"count":3,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/284\/revisions"}],"predecessor-version":[{"id":19380,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/284\/revisions\/19380"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=284"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=284"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=284"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}