N\u00f3i \u0111\u1ebfn nh\u00e2n s\u00e2m, ng\u01b0\u1eddi ta l\u1ea1i ngh\u0129 ngay \u0111\u1ebfn c\u00e2u n\u00f3i \u201c\u0110\u00f4ng B\u1eafc c\u00f3 tam b\u1ea3o: nh\u00e2n s\u00e2m, da ch\u1ed3n, \u00f4 l\u1ea1p th\u1ea3o\u201d. Qu\u1ea3 th\u1ef1c, nh\u00e2n s\u00e2m l\u00e0 th\u1ef1c v\u1eadt l\u00e0m thu\u1ed1c n\u1ed5i ti\u1ebfng trong ngo\u00e0i n\u01b0\u1edbc, l\u00e0 \u0111\u1eb7c s\u1ea3n c\u1ee7a Trung Qu\u1ed1c. Nh\u00e2n s\u00e2m ch\u1ee7 y\u1ebfu m\u1ecdc \u1edf v\u00f9ng \u0110\u00f4ng Nam d\u00e3y n\u00fai Ti\u1ec3u H\u01b0ng An L\u0129nh, Tr\u01b0\u1eddng B\u1ea1ch S\u01a1n v\u00e0 v\u00f9ng \u0110\u00f4ng B\u1eafc t\u1ec9nh Li\u00eau Ninh.<\/p>\n\n\n\n
T\u1ea1i sao nh\u00e2n s\u00e2m ch\u1ee7 y\u1ebfu m\u1ecdc \u1edf \u0110\u00f4ng B\u1eafc Trung Qu\u1ed1c?<\/p>\n\n\n\n
Nh\u00e2n s\u00e2m l\u00e0 th\u1ef1c v\u1eadt th\u00e2n th\u1ea3o sinh tr\u01b0\u1edfng nhi\u1ec1u n\u0103m thu\u1ed9c h\u1ecd ng\u0169 gia b\u00ec, ch\u00fang \u0111\u1eb7c bi\u1ec7t r\u1ea5t th\u00edch s\u1ed1ng trong nh\u1eefng c\u00e1nh r\u1eebng r\u1eadm r\u1ea1p xum xu\u00ea, nh\u01b0ng kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c c\u00e1nh r\u1eebng r\u1eadm r\u1ea1p nh\u00e2n s\u00e2m \u0111\u1ec1u c\u00f3 th\u1ec3 sinh tr\u01b0\u1edfng. Ngay t\u1eeb c\u00e1ch \u0111\u00e2y h\u01a1n 1.000 n\u0103m, d\u00e2n gian l\u01b0u truy\u1ec1n c\u00e2u v\u00e8:<\/p>\n\n\n\n
Tam nha ng\u0169 di\u1ec7p B\u1ed1i d\u01b0\u01a1ng h\u01b0\u1edbng \u00e2m, D\u1ee5c lai c\u1ea7u ng\u00e3,<\/p>\n\n\n\n
\u0110o\u1ea1n th\u1ef1c t\u01b0\u01a1ng t\u1ea7m<\/p>\n\n\n\n
Ngh\u0129a l\u00e0:<\/p>\n\n\n\n
C\u00e2y c\u00f3 ba ch\u1ea1c l\u00e1 c\u00f3 n\u0103m phi\u1ebfn,<\/p>\n\n\n\n
M\u1ecdc n\u01a1i b\u00f3ng r\u00e2m khu\u1ea5t \u00e1nh M\u1eb7t Tr\u1eddi,<\/p>\n\n\n\n
Mu\u1ed1n \u0111\u1ebfn t\u00ecm ta, th\u00ec \u0111\u1ebfn n\u01a1i c\u00f3 c\u00e2y \u0111o\u1ea1n – c\u00e2y tilia<\/p>\n\n\n\n
\u0110i\u1ec1u n\u00e0y cho th\u1ea5y khu r\u1eebng th\u00edch h\u1ee3p nh\u1ea5t \u0111\u1ed1i v\u1edbi s\u1ef1 sinh tr\u01b0\u1edfng c\u1ee7a nh\u00e2n s\u00e2m l\u00e0 r\u1eebng h\u1ed7n giao c\u00e2y l\u00e1 kim, c\u00e2y l\u00e1 phi\u1ebfn v\u00e0 r\u1eebng t\u1ea1p, trong \u0111\u00f3 r\u1eebng c\u00e2y l\u00e1 phi\u1ebfn c\u00f3 c\u00e2y g\u1ed7 \u0111o\u1ea1n l\u00e0 th\u00edch h\u1ee3p nh\u1ea5t. T\u1ea5t nhi\u00ean, ngo\u00e0i r\u1eebng c\u00e2y g\u1ed7 \u0111o\u1ea1n ra, trong r\u1eebng c\u00e2y l\u00e1 phi\u1ebfn c\u00f3 nhi\u1ec1u c\u00e2y t\u1ea1c (xylosma japonicum) v\u00e0 \u0111o\u1ea1n c\u0169ng c\u00f3 nh\u00e2n s\u00e2m sinh tr\u01b0\u1edfng. Nh\u00e2n s\u00e2m c\u0169ng c\u00f3 y\u00eau c\u1ea7u nh\u1ea5t \u0111\u1ecbnh \u0111\u1ed1i v\u1edbi \u0111\u1ea5t \u0111ai, ch\u00fang th\u00edch s\u1ed1ng \u1edf \u0111\u1ea5t r\u1eebng m\u00e0u n\u00e2u s\u1eabm, h\u01a1n n\u1eefa \u0111\u00f2i h\u1ecfi t\u01b0\u01a1ng \u0111\u1ed1i nhi\u1ec1u ch\u1ea5t m\u00f9n. Trong c\u00e1c khu r\u1eebng l\u00e1 phi\u1ebfn, do quanh n\u0103m c\u00e0nh kh\u00f4 l\u00e1 r\u1ee5ng ch\u1ea5t \u0111\u1ed1ng th\u1ed1i r\u1eefa, s\u1ea3n sinh ra nhi\u1ec1u ch\u1ea5t m\u00f9n, k\u1ebft c\u1ea5u \u0111\u1ea5t t\u01b0\u01a1ng \u0111\u1ed1i t\u01a1i x\u1ed1p, v\u00ec v\u1eady c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a nh\u00e2n s\u00e2m.<\/p>\n\n\n\n
Nh\u00e2n s\u00e2m l\u00e0 th\u1ef1c v\u1eadt th\u00edch r\u00e2m, th\u00edch \u00e1nh s\u00e1ng y\u1ebfu v\u00e0 t\u00e1n x\u1ea1, s\u1ee3 nh\u1ea5t \u00e1nh s\u00e1ng M\u1eb7t Tr\u1eddi gay g\u1eaft tr\u1ef1c ti\u1ebfp chi\u1ebfu v\u00e0o. M\u00e0 \u0111i\u1ec1u ki\u1ec7n sinh tr\u01b0\u1edfng nh\u01b0 v\u1eady, r\u1eebng c\u00e2y l\u00e1 phi\u1ebfn c\u1ee7a v\u00f9ng \u0110\u00f4ng B\u1eafc Trung Qu\u1ed1c l\u00e0 l\u00ed t\u01b0\u1edfng nh\u1ea5t.<\/p>\n\n\n\n
Nh\u00e2n s\u00e2m c\u0169ng l\u00e0 th\u1ef1c v\u1eadt ch\u1ecbu l\u1ea1nh, nhi\u1ec7t \u0111\u1ed9 kho\u1ea3ng 15 – 20oC, ch\u00fang sinh tr\u01b0\u1edfng ph\u00e1t d\u1ee5c c\u1ef1c t\u1ed1t, nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n 30oC s\u1ebd ng\u1eebng sinh tr\u01b0\u1edfng, nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n n\u1eefa s\u1ebd ch\u1ebft. Ng\u01b0\u1ee3c l\u1ea1i, nhi\u1ec7t \u0111\u1ed9 \u1edf -40oC kh\u00f4ng h\u1ec1 b\u1ecb ch\u1ebft c\u00f3ng, v\u1eabn duy tr\u00ec s\u1ee9c s\u1ed1ng, m\u00f9a xu\u00e2n n\u0103m sau l\u1ea1i c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c sinh tr\u01b0\u1edfng.<\/p>\n\n\n\n
V\u1edbi c\u00e1c \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng k\u1ec3 tr\u00ean, ch\u1ec9 c\u00f3 v\u00f9ng r\u1eebng \u0110\u00f4ng B\u1eafc Trung Qu\u1ed1c m\u1edbi c\u00f3. \u0110\u1eb7c bi\u1ec7t l\u00e0 khu n\u00fai Tr\u01b0\u1eddng B\u1ea1ch, d\u1ea3i r\u1eebng t\u1ea1p giao c\u00e2y l\u00e1 kim, c\u00e2y l\u00e1 phi\u1ebfn \u1edf \u0111\u1ed9 cao c\u00e1ch m\u1eb7t bi\u1ec3n 450 – 1.200 m. \u1ede \u0111\u00f3 m\u00f9a \u0111\u00f4ng l\u1ea1nh gi\u00e1, nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh th\u00e1ng m\u1ed9t l\u00e0 -17oC, th\u00e1ng 7 n\u00f3ng nh\u1ea5t nhi\u1ec7t \u0111\u1ed9 b\u00ecnh qu\u00e2n l\u00e0 22oC, h\u01a1n n\u1eefa \u0111\u1ea5t l\u00e0 \u0111\u1ea5t m\u00e0u n\u00e2u, c\u00e2y l\u00e1 phi\u1ebfn \u1edf trong r\u1eebng c\u00f3 c\u00e2y g\u1ed7 \u0111o\u1ea1n, c\u00e2y t\u1ea1c, c\u00e2y hoa (betula), c\u00e2y d\u01b0\u01a1ng\u2026 \u0111\u1ed9 chi\u1ebfu s\u00e1ng v\u1eeba ph\u1ea3i. Nh\u1eefng \u0111i\u1ec3m n\u00e0y \u0111\u1ec1u l\u00e0 nh\u1eefng \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng l\u00ed t\u01b0\u1edfng cho nh\u00e2n s\u00e2m sinh tr\u01b0\u1edfng. C\u00f2n trong c\u00e1c khu r\u1eebng \u1edf c\u00e1c t\u1ec9nh kh\u00e1c \u0111\u1ec1u kh\u00f4ng c\u00f3 \u0111\u1ee7 c\u00e1c \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng th\u00edch h\u1ee3p \u0111\u1ed1i v\u1edbi nh\u00e2n s\u00e2m. V\u00ec v\u1eady, nh\u00e2n s\u00e2m ch\u1ee7 y\u1ebfu m\u1ecdc \u1edf v\u00f9ng \u0110\u00f4ng B\u1eafc Trung Qu\u1ed1c c\u0169ng c\u00f3 th\u1ec3 l\u00ed gi\u1ea3i \u0111\u01b0\u1ee3c.<\/p>\n","protected":false},"excerpt":{"rendered":"
N\u00f3i \u0111\u1ebfn nh\u00e2n s\u00e2m, ng\u01b0\u1eddi ta l\u1ea1i ngh\u0129 ngay \u0111\u1ebfn c\u00e2u n\u00f3i \u201c\u0110\u00f4ng B\u1eafc c\u00f3 tam b\u1ea3o: nh\u00e2n s\u00e2m, da ch\u1ed3n, \u00f4 l\u1ea1p th\u1ea3o\u201d. Qu\u1ea3 th\u1ef1c, nh\u00e2n s\u00e2m l\u00e0 th\u1ef1c v\u1eadt l\u00e0m thu\u1ed1c n\u1ed5i ti\u1ebfng trong ngo\u00e0i n\u01b0\u1edbc, l\u00e0 \u0111\u1eb7c s\u1ea3n c\u1ee7a Trung Qu\u1ed1c. Nh\u00e2n s\u00e2m ch\u1ee7 y\u1ebfu m\u1ecdc \u1edf v\u00f9ng \u0110\u00f4ng Nam d\u00e3y n\u00fai […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15,19],"tags":[],"class_list":["post-9683","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-tu-nhien"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9683","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=9683"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9683\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=9683"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=9683"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=9683"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}