Con ng\u01b0\u1eddi trong qu\u00e1 tr\u00ecnh duy tr\u00ec s\u1ef1 s\u1ed1ng \u0111\u1ec1u ph\u1ea3i h\u00edt kh\u00ed oxi v\u00e0 th\u1ea3i kh\u00ed cacbonic. Khi n\u1ed3ng \u0111\u1ed9 cacbonic trong kh\u00f4ng kh\u00ed qu\u00e1 cao, s\u1ef1 h\u00f4 h\u1ea5p c\u1ee7a con ng\u01b0\u1eddi s\u1ebd g\u1eb7p kh\u00f3 kh\u0103n ho\u1eb7c kh\u00f4ng tho\u1ea3i m\u00e1i, th\u1eadm ch\u00ed c\u00f3 th\u1ec3 tr\u00fang \u0111\u1ed9c. Th\u1ef1c v\u1eadt xanh l\u00e0 nh\u00e0 s\u00e1ng t\u1ea1o duy nh\u1ea5t c\u00f3 th\u1ec3 d\u00f9ng \u00e1nh n\u1eafng m\u00f4i tr\u01b0\u1eddng quang h\u1ee3p th\u00e0nh ch\u1ea5t h\u1eefu c\u01a1 v\u00e0 l\u1ea1i l\u00e0 nh\u00e0 m\u00e1y ch\u1ebf t\u1ea1o oxi h\u1ea5p th\u1ee5 kh\u00ed cacbonic tr\u00ean Tr\u00e1i \u0110\u1ea5t. Th\u1ef1c v\u1eadt ngo\u00e0i t\u00e1c d\u1ee5ng h\u1ea5p th\u1ee5 kh\u00ed cacbonic trong kh\u00f4ng kh\u00ed th\u00ec \u0111\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 ch\u1ea5t kh\u00ed c\u00f3 h\u1ea1i nh\u01b0 sunfua\u0111ioxit, clo v\u00e0 hi\u0111ric Flo (HF) c\u0169ng c\u00f3 kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 t\u00edch l\u0169y nh\u1ea5t \u0111\u1ecbnh. V\u00ed d\u1ee5 nh\u01b0 m\u1ed9t hecta r\u1eebng li\u1ec5u sam (c\u00e2y sam), m\u1ed7i n\u0103m h\u1ea5p th\u1ee5 720 kg sunfua \u0111ioxit (SO2); 259 km2 c\u1ecf linh l\u0103ng hoa t\u00edm th\u00ec m\u1ed7i n\u0103m c\u00f3 th\u1ec3 gi\u1ea3m h\u01a1n 600 t\u1ea5n SO2 trong kh\u00f4ng kh\u00ed; m\u1ed9t hecta r\u1eebng ng\u00e2n hoa, m\u1ed7i n\u0103m c\u00f3 th\u1ec3 h\u1ea5p th\u1ee5 11,8 kg flo hi\u0111ric (HF), m\u1ed9t hecta r\u1eebng c\u00e2y h\u00f2e gai, m\u1ed7i n\u0103m c\u00f3 th\u1ec3 h\u1ea5p th\u1ee5 42 kg kh\u00ed clo.<\/p>\n\n\n\n
Th\u1ef1c v\u1eadt \u0111\u1ed1i v\u1edbi c\u00e1c ch\u1ea5t ph\u00f3ng x\u1ea1 kh\u00f4ng nh\u1eefng c\u00f3 t\u00e1c d\u1ee5ng c\u1ee7a s\u1ef1 lan truy\u1ec1n c\u1ee7a n\u00f3 m\u00e0 c\u00f2n c\u00f3 t\u00e1c d\u1ee5ng l\u1ecdc v\u00e0 h\u1ea5p th\u1ee5. V\u00ed d\u1ee5 \u1edf M\u1ef9, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 t\u1eebng d\u00f9ng c\u00e1c n\u01a1t\u01a1r\u00f4ng v\u00e0 tia \u03b3 li\u1ec1u l\u01b0\u1ee3ng kh\u00e1c nhau \u0111\u1ec3 ph\u00f3ng h\u1ed7n h\u1ee3p v\u00e0o 5 kho\u1ea3nh r\u1eebng c\u00e2y l\u1ecbch, th\u1ea5y c\u00e2y c\u1ed1i c\u00f3 th\u1ec3 h\u1ea5p th\u1ee5 l\u01b0\u1ee3ng ch\u1ea5t ph\u00f3ng x\u1ea1 nh\u1ea5t \u0111\u1ecbnh m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng t\u1edbi s\u1ef1 sinh tr\u01b0\u1edfng c\u1ee7a ch\u00fang, t\u1eeb \u0111\u00f3 c\u00f3 th\u1ec3 l\u00e0m s\u1ea1ch kh\u00f4ng kh\u00ed.<\/p>\n\n\n\n
C\u00e1t b\u1ee5i l\u00e0 ch\u1ea5t \u00f4 nhi\u1ec5m ch\u1ee7 y\u1ebfu trong kh\u00f4ng kh\u00ed, th\u1ec3 t\u00edch v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a n\u00f3 r\u1ea5t nh\u1ecf, bay kh\u1eafp n\u01a1i. Trong b\u1ee5i \u0111\u1ea5t, ngo\u00e0i b\u1ee5i c\u00e1t v\u00e0 b\u1ee5i b\u1eb7m ra c\u00f2n c\u00f3 nh\u1eefng h\u1ea1t kim lo\u1ea1i nh\u01b0 th\u1ee7y ng\u00e2n, photpho v\u00e0 c\u00e1c b\u1ee5i than kh\u00f3i d\u1ea7u, nh\u1eefng ch\u1ea5t n\u00e0y th\u01b0\u1eddng g\u00e2y b\u1ec7nh v\u1ec1 \u0111\u01b0\u1eddng h\u00f4 h\u1ea5p cho con ng\u01b0\u1eddi. Th\u1ef1c v\u1eadt \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1edf nh\u1eefng khu r\u1eebng v\u00e0nh \u0111ai do c\u00e2y c\u1ed1i t\u1ea1o th\u00e0nh c\u00f3 nhi\u1ec1u t\u1ea7ng l\u00e1 r\u1eadm r\u1ea1p v\u00e0 t\u00e1n r\u1eebng, do c\u00e1c c\u00e0nh c\u00e2y nh\u1ecf t\u1ea1o ra, gi\u1ed1ng nh\u01b0 m\u1ed9t chi\u1ebfc l\u1ed3ng d\u00e0y s\u00edt, c\u00f3 t\u00e1c d\u1ee5ng l\u1ecdc \u00f4 nhi\u1ec5m \u0111\u1ea5t b\u1ee5i trong kh\u00f4ng kh\u00ed g\u00e2y c\u1ea3n tr\u1edf ng\u01b0ng \u0111\u1ecdng v\u00e0 h\u1ea5p th\u1ee5, t\u1eeb \u0111\u00f3 l\u00e0m s\u1ea1ch m\u00f4i tr\u01b0\u1eddng.<\/p>\n\n\n\n
Theo t\u00ednh to\u00e1n, l\u01b0\u1ee3ng b\u1ee5i trong kh\u00f4ng kh\u00ed \u1edf khu xanh h\u00f3a v\u00e0 khu ch\u01b0a xanh h\u00f3a ch\u00eanh l\u1ec7ch nhau 10% – 15%; h\u00e0m l\u01b0\u1ee3ng b\u1ee5i trong kh\u00f4ng kh\u00ed tr\u00ean \u0111\u01b0\u1eddng ph\u1ed1 so v\u1edbi n\u01a1i c\u00f3 nhi\u1ec1u c\u00e2y r\u1eadm r\u1ea1p nh\u01b0 c\u00f4ng vi\u00ean s\u1ebd h\u01a1n 1\/3 ho\u1eb7c 2\/3. Tuy nhi\u00ean, t\u00f9y lo\u1ea1i c\u00e2y kh\u1ea3 n\u0103ng h\u00fat b\u1ee5i c\u0169ng kh\u00e1c nhau, k\u1ebft qu\u1ea3 th\u1ef1c nghi\u1ec7m ch\u1ee9ng minh: kh\u1ea3 n\u0103ng gi\u1ea3m b\u1ee5i c\u1ee7a c\u00e2y l\u00e1 r\u1ed9ng cao h\u01a1n so v\u1edbi c\u00e2y l\u00e1 kim, 1 hecta r\u1eebng v\u00e2n sam m\u1ed7i n\u0103m gi\u1ea3m 32 t\u1ea5n b\u1ee5i, c\u00e2y t\u00f9ng gi\u1ea3m 34,4 t\u1ea5n b\u1ee5i, c\u00e2y th\u1ee7y thanh gi\u1ea3m 68 t\u1ea5n b\u1ee5i\u2026<\/p>\n\n\n\n
S\u1ef1 s\u1ea1ch h\u00f3a kh\u00f4ng kh\u00ed c\u1ee7a th\u1ef1c v\u1eadt ch\u00ednh l\u00e0 t\u00e1c d\u1ee5ng v\u1eadt l\u00ed nh\u01b0 ch\u1ee9c n\u0103ng h\u1ea5p th\u1ee5 v\u00e0 c\u00f4ng n\u0103ng t\u00edch l\u0169y, ng\u0103n c\u1ea3n, ng\u01b0ng \u0111\u1ecdng, h\u1ea5p th\u1ee5 th\u00f4ng qua th\u1ef1c v\u1eadt, bi\u1ebfn kh\u00f4ng kh\u00ed \u00f4 nhi\u1ec5m th\u00e0nh kh\u00f4ng kh\u00ed trong l\u00e0nh kh\u00f4ng ch\u1ee9a ch\u1ea5t \u00f4 nhi\u1ec5m ho\u1eb7c ch\u1ee9a \u00edt ch\u1ea5t \u00f4 nhi\u1ec5m. Kh\u1ea3 n\u0103ng l\u00e0m s\u1ea1ch kh\u00f4ng kh\u00ed l\u1edbn nh\u1ecf \u0111\u1ec1u ph\u1ea3i d\u1ef1a v\u00e0o t\u00e1c d\u1ee5ng c\u1ee7a qu\u1ea7n th\u1ec3 th\u1ef1c v\u1eadt. V\u00ec v\u1eady, n\u00ean l\u00e0m s\u1ea1ch kh\u00f4ng kh\u00ed c\u1ee7a m\u1ed9t th\u00e0nh ph\u1ed1 ho\u1eb7c m\u1ed9t nh\u00e0 m\u00e1y, c\u00f3 l\u1ee3i cho cu\u1ed9c s\u1ed1ng v\u00e0 s\u1ee9c kh\u1ecfe c\u1ee7a con ng\u01b0\u1eddi. Ngo\u00e0i vi\u1ec7c c\u0103n c\u1ee9 v\u00e0o c\u00e1c ch\u1ea5t v\u00e0 n\u1ed3ng \u0111\u1ed9 kh\u00f4ng kh\u00ed \u00f4 nhi\u1ec5m c\u1ee7a nh\u00e0 m\u00e1y, th\u00e0nh ph\u1ed1 \u0111\u1ec3 ch\u1ecdn ch\u1ee7ng lo\u1ea1i c\u00e2y t\u1ea1o r\u1eebng xanh ho\u00e1 ra, c\u00f2n c\u1ea7n c\u00f3 t\u1ec9 l\u1ec7 di\u1ec7n t\u00edch \u0111\u1ea5t xanh nh\u1ea5t \u0111\u1ecbnh.<\/p>\n","protected":false},"excerpt":{"rendered":"
Con ng\u01b0\u1eddi trong qu\u00e1 tr\u00ecnh duy tr\u00ec s\u1ef1 s\u1ed1ng \u0111\u1ec1u ph\u1ea3i h\u00edt kh\u00ed oxi v\u00e0 th\u1ea3i kh\u00ed cacbonic. Khi n\u1ed3ng \u0111\u1ed9 cacbonic trong kh\u00f4ng kh\u00ed qu\u00e1 cao, s\u1ef1 h\u00f4 h\u1ea5p c\u1ee7a con ng\u01b0\u1eddi s\u1ebd g\u1eb7p kh\u00f3 kh\u0103n ho\u1eb7c kh\u00f4ng tho\u1ea3i m\u00e1i, th\u1eadm ch\u00ed c\u00f3 th\u1ec3 tr\u00fang \u0111\u1ed9c. Th\u1ef1c v\u1eadt xanh l\u00e0 nh\u00e0 s\u00e1ng t\u1ea1o duy […]<\/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-9726","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\/9726","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=9726"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9726\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=9726"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=9726"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=9726"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}