{"id":8773,"date":"2009-03-24T04:26:46","date_gmt":"2009-03-23T21:26:46","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2009\/03\/buoc-dau-tim-hieu-anh-huong-cua-mot-so-yeu-to-khi-tuong-den-kha-nang-chay-dich-nhua-rung-thong-nhua\/"},"modified":"2019-09-24T11:01:44","modified_gmt":"2019-09-24T04:01:44","slug":"buoc-dau-tim-hieu-anh-huong-cua-mot-so-yeu-to-khi-tuong-den-kha-nang-chay-dich-nhua-rung-thong-nhua","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/buoc-dau-tim-hieu-anh-huong-cua-mot-so-yeu-to-khi-tuong-den-kha-nang-chay-dich-nhua-rung-thong-nhua\/","title":{"rendered":"B\u01b0\u1edbc \u0111\u1ea7u t\u00ecm hi\u1ec3u \u1ea3nh h\u01b0\u1edfng c\u1ee7a m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 kh\u00ed t\u01b0\u1ee3ng \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ea3y d\u1ecbch nh\u1ef1a r\u1eebng Th\u00f4ng nh\u1ef1a."},"content":{"rendered":"

C\u00e1c y\u1ebfu t\u1ed1 kh\u00ed t\u01b0\u1ee3ng nh\u01b0 nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng kh\u00ed, \u0111\u1ed9 \u1ea9m kh\u00f4ng kh\u00ed v\u00e0 l\u01b0\u1ee3ng m\u01b0a l\u00e0 nh\u1eefng nh\u00e2n t\u1ed1 sinh th\u00e1i quan tr\u1ecdng \u0111\u1ed1i v\u1edbi ph\u00e2n b\u1ed1, sinh tr\u01b0\u1edfng, ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e2y r\u1eebng. Nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng kh\u00ed th\u1ea5p c\u00e2y c\u00f3 th\u1ec3 ng\u1eebng sinh tr\u01b0\u1edfng ho\u1eb7c kh\u00f4ng t\u1ed3n t\u1ea1i (\u0111\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 lo\u00e0i c\u00e2y), nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng kh\u00ed qu\u00e1 cao c\u00e2y r\u1eebng c\u0169ng c\u00f3 th\u1ec3 b\u1ecb ch\u1ebft ho\u1eb7c ch\u1ec9 t\u1ed3n t\u1ea1i \u0111\u01b0\u1ee3cm\u1ed9t s\u1ed1 lo\u00e0i c\u00e2y mang t\u00ednh ch\u1ec9 th\u1ecb ho\u1eb7c \u0111\u1eb7c tr\u01b0ng. L\u01b0\u1ee3ng m\u01b0a l\u00e0m t\u0103ng \u0111\u1ed9 \u1ea9m kh\u00f4ng kh\u00ed, ng\u01b0\u1ee3c l\u1ea1i \u0111\u1ed9 \u1ea9m kh\u00f4ng kh\u00ed c\u00e0ng cao hay tr\u1ea1ng th\u00e1i b\u00e3o ho\u00e0 th\u00ec c\u0169ng l\u00e0 nh\u00e2n t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn l\u01b0\u1ee3ng m\u01b0a. M\u01b0a l\u00e0m t\u0103ng l\u01b0\u1ee3ng n\u1ee9\u01a1c t\u1ef1 do trong \u0111\u1ea5t t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3icho c\u00e2y h\u00fat n\u01b0\u1edbc, c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng \u0111\u1ec3 quang h\u1ee3p v\u00e0 t\u00edch lu\u1ef9 c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 cho c\u00e2y\u2026<\/p>\n

Nghi\u00ean c\u1ee9u t\u01b0\u01a1ng quan gi\u1eefa nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng kh\u00ed, \u0111\u1ed9 \u1ea9m kh\u00f4ng kh\u00ed v\u00e0 l\u01b0\u1ee3ng m\u01b0a \u0111\u1ebfn kh\u1ea3 n\u0103ng cho nh\u1ef1a c\u1ee7a r\u1eebng Th\u00f4ng nh\u1ef1a nh\u1eb1m t\u1ea1o ra nh\u1eefng \u0111i\u1ec1u ki\u1ec7n ho\u00e0n c\u1ea3nh c\u00f3 l\u1ee3i cho c\u00e2y Th\u00f4ng nh\u1ef1a t\u00edch lu\u1ef9 \u0111\u01b0\u1ee3c nhi\u1ec1u nh\u1ef1a v\u00e0 t\u1ea1o \u0111\u01b0\u1ee3c c\u00e1c khu r\u1eebng chuy\u00ean doanh khai th\u00e1c nh\u1ef1a c\u00f3 n\u0103ng su\u1ea5t cao v\u00e0 \u1ed5n \u0111\u1ecbnh.<\/p>\n

1.<\/strong>M\u1ee5c ti\u00eau<\/strong><\/p>\n

X\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c h\u1ec7 s\u1ed1 t\u01b0\u01a1ng quan (r) gi\u1eefa l\u01b0\u1ee3ng nh\u1ef1a vi ch\u00edch v\u00e0 m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 kh\u00ed t\u01b0\u1ee3ng (nhi\u1ec7t, \u1ea9m v\u00e0 l\u01b0\u1ee3ng m\u01b0a) t\u1eeb \u0111\u00f3 c\u00f3 th\u1ec3 t\u1ea1o ra nh\u1eefng \u0111i\u1ec1u ki\u1ec7n ho\u00e0n c\u1ea3nh thu\u1eadn l\u1ee3i h\u01a1n cho Th\u00f4ng Nh\u1ef1a t\u00edch lu\u1ef9, ti\u1ebft nh\u1ef1a nhi\u1ec1u v\u00e0 \u1ed5n \u0111\u1ecbnh.<\/p>\n

2.<\/strong>N\u1ed9i dung v\u00e0 ph\u01b0\u01a1ng ph\u00e1p<\/strong><\/p>\n

2.1<\/em>N\u1ed9i dung <\/em><\/p>\n

Nghi\u00ean c\u1ee9u bi\u1ebfn \u0111\u1ed9ng kh\u1ea3 n\u0103ng ch\u1ea3y d\u1ecbch nh\u1ef1a theo th\u00e1ng trong \u1ed1ng vi ch\u00edch c\u1ee7a r\u1eebng Th\u00f4ng nh\u1ef1a \u1edf m\u1ed9t s\u1ed1 c\u1ea5p tu\u1ed5i v\u00e0 \u1ea3nh h\u01b0\u1edfng c\u1ee7a m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 kh\u00ed t\u01b0\u1ee3ng (nhi\u1ec7t, \u1ea9m) \u0111\u1ebfn l\u01b0\u1ee3ng ti\u1ebft nh\u1ef1a t\u1ea1i khu v\u1ef1c nghi\u00ean c\u1ee9u.<\/p>\n

2.2 Ph\u01b0\u01a1ng ph\u00e1p <\/em><\/p>\n

– Vi ch\u00edch l\u01b0\u1ee3ng nh\u1ef1a c\u1ee7a 30 c\u00e2y Th\u00f4ng nh\u1ef1a v\u00e0o ng\u00e0y 15 ho\u1eb7c 16 h\u00e0ng th\u00e1ng, 12 th\u00e1ng\/n\u0103m, th\u1eddi gian vi ch\u00edch 8 gi\u1edd\/ng\u00e0y, m\u1ed7i c\u00e2y vi ch\u00edch 3 d\u00e2y, theo c\u00f9ng 1 h\u01b0\u1edbng. L\u01b0\u1ee3ng nh\u1ef1a \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng chi\u1ec1u d\u00e0i (cm) \u0111o tr\u00ean \u1ed1ng vi ch\u00edch. B\u1ed9 vi ch\u00edch l\u00e0 b\u1ed9 d\u00e2y truy\u1ec1n huy\u1ebft thanh d\u00f9ng trong y t\u1ebf v\u00e0 khoan g\u1ed7 c\u00f3 \u0111\u01b0\u1eddng k\u00ednh 4mm, khi vi ch\u00edch d\u00f9ng khoan g\u1ed7 khoan s\u00e2u v\u00e0o th\u00e2n c\u00e2y t\u1eeb 2,5-3,5cm, sau \u0111\u00f3 l\u00e0m s\u1ea1ch ph\u00f4i khoan v\u00e0 c\u1eafm \u1ed1ng.<\/p>\n

– Thu th\u1eadp c\u00e1c y\u1ebfu t\u1ed1 kh\u00ed t\u01b0\u1ee3ng v\u00e0o c\u00e1c ng\u00e0y \u0111i\u1ec1u tra, \u0111\u1ed3ng th\u1eddi t\u1ed5ng h\u1ee3p c\u00e1c y\u1ebfu t\u1ed1 kh\u00ed t\u01b0\u1ee3ng n\u00f3i tr\u00ean t\u1eeb tr\u1ea1m quan tr\u1eafc kh\u00ed t\u01b0\u1ee3ng g\u1ea7n nh\u1ea5t.<\/p>\n

– C\u00e1c s\u1ed1 li\u1ec7u t\u00ednh to\u00e1n \u0111\u01b0\u1ee3c s\u1eed l\u00ed tr\u00ean m\u00e1y vi t\u00ednh b\u1eb1ng c\u00e1c ph\u1ea7n m\u1ec1m EXCEL.<\/p>\n","protected":false},"excerpt":{"rendered":"

Các y\u1ebfu t\u1ed1 khí t\u01b0\u1ee3ng nh\u01b0 nhi\u1ec7t \u0111\u1ed9 không khí, \u0111\u1ed9 \u1ea9m không khí và l\u01b0\u1ee3ng m\u01b0a là nh\u1eefng nhân t\u1ed1 sinh thái quan tr\u1ecdng \u0111\u1ed1i v\u1edbi phân b\u1ed1, sinh tr\u01b0\u1edfng, phát tri\u1ec3n c\u1ee7a cây r\u1eebng. Nhi\u1ec7t \u0111\u1ed9 không khí th\u1ea5p cây có th\u1ec3 ng\u1eebng sinh tr\u01b0\u1edfng ho\u1eb7c không t\u1ed3n t\u1ea1i (\u0111\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 loài cây), nhi\u1ec7t \u0111\u1ed9 không khí quá cao cây r\u1eebng c\u0169ng có th\u1ec3 b\u1ecb ch\u1ebft ho\u1eb7c ch\u1ec9 t\u1ed3n t\u1ea1i \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 loài cây mang tính ch\u1ec9 th\u1ecb ho\u1eb7c \u0111\u1eb7c tr\u01b0ng. L\u01b0\u1ee3ng m\u01b0a làm t\u0103ng \u0111\u1ed9 \u1ea9m không khí, ng\u01b0\u1ee3c l\u1ea1i \u0111\u1ed9 \u1ea9m không khí càng cao hay tr\u1ea1ng thái bão hoà thì c\u0169ng là nhân t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn l\u01b0\u1ee3ng m\u01b0a. M\u01b0a làm t\u0103ng l\u01b0\u1ee3ng n\u1ee9\u01a1c t\u1ef1 do trong \u0111\u1ea5t t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho cây hút n\u01b0\u1edbc, các ch\u1ea5t dinh d\u01b0\u1ee1ng \u0111\u1ec3 quang h\u1ee3p và tích lu\u1ef9 các ch\u1ea5t h\u1eefu c\u01a1 cho cây…<\/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\/8773"}],"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=8773"}],"version-history":[{"count":2,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/8773\/revisions"}],"predecessor-version":[{"id":19087,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/8773\/revisions\/19087"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=8773"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=8773"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=8773"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}