{"id":9396,"date":"2021-11-21T16:36:56","date_gmt":"2021-11-21T09:36:56","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=9396"},"modified":"2021-11-21T17:15:53","modified_gmt":"2021-11-21T10:15:53","slug":"vi-sao-noi-cay-mia-la-ve-si-bao-ve-moi-truong","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/vi-sao-noi-cay-mia-la-ve-si-bao-ve-moi-truong\/","title":{"rendered":"V\u00ec sao n\u00f3i c\u00e2y m\u00eda l\u00e0 v\u1ec7 s\u0129 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">M\u00eda ngo\u00e0i vi\u1ec7c h\u1ea5p th\u1ee5 m\u1ed9t s\u1ed1 kho\u00e1ng ch\u1ea5t trong \u0111\u1ea5t, ch\u1ee7 y\u1ebfu l\u00e0 h\u1ea5p th\u1ee5 kh\u00ed CO2 trong kh\u00f4ng kh\u00ed. M\u00eda h\u00e0ng ng\u00e0y c\u00f3 th\u1ec3 h\u1ea5p th\u1ee5 m\u1ed9t l\u01b0\u1ee3ng kh\u00ed CO2 cao g\u1ea5p \u0111\u00f4i so v\u1edbi c\u00e2y l\u00faa, h\u01a1n n\u1eefa n\u00f3 c\u00f3 th\u1ec3 h\u1ea5p th\u1ee5 CO2 \u1edf n\u1ed3ng \u0111\u1ed9 cao.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00ed CO2 trong kh\u00f4ng kh\u00ed trong \u0111i\u1ec1u ki\u1ec7n b\u00ecnh th\u01b0\u1eddng n\u1ed3ng \u0111\u1ed9 ch\u1ec9 kho\u1ea3ng 300 ppm, nh\u01b0ng c\u00e2y m\u00eda h\u1ea5p th\u1ee5 kh\u00ed CO2 r\u1ea5t m\u1ea1nh, hi\u1ec7u qu\u1ea3 s\u1eed d\u1ee5ng cao, m\u1eb7c d\u00f9 n\u1ed3ng \u0111\u1ed9 kh\u00ed CO2 xung quanh th\u1ea5p h\u01a1n 5 ppm \u2013 10 ppm n\u00f3 v\u1eabn c\u00f3 th\u1ec3 h\u1ea5p th\u1ee5 \u0111\u01b0\u1ee3c. C\u00f2n c\u00e2y l\u00faa khi n\u1ed3ng \u0111\u1ed9 CO2 th\u1ea5p h\u01a1n 50 ppm th\u00ec kh\u00f4ng th\u1ec3 h\u1ea5p th\u1ee5 \u0111\u01b0\u1ee3c. M\u00f9a h\u00e8 n\u00f3ng n\u1ef1c, c\u00e2y m\u00eda th\u1eadm ch\u00ed c\u00f3 th\u1ec3 h\u1ea5p th\u1ee5 kh\u00ed CO2 v\u1edbi n\u1ed3ng \u0111\u1ed9 m\u1ea5y ngh\u00ecn ppm. V\u00ec l\u01b0\u1ee3ng h\u00fat v\u00e0o l\u1edbn n\u00ean c\u00e2y m\u00eda ngo\u00e0i h\u1ea5p th\u1ee5 kh\u00ed CO2 do n\u00f3 th\u1ea3i ra, n\u00f3 c\u00f2n h\u1ea5p th\u1ee5 m\u1ed9t l\u01b0\u1ee3ng l\u1edbn kh\u00ed CO2 xung quanh \u0111\u1ec3 th\u1ecfa m\u00e3n nhu c\u1ea7u c\u1ee7a b\u1ea3n th\u00e2n, h\u01a1n n\u1eefa khi t\u1ef1 s\u1ea3n sinh ra \u201cth\u1ee9c \u0103n\u201d c\u1ea7n thi\u1ebft, n\u00f3 c\u00f2n gi\u1ea3i ph\u00f3ng ra kh\u00ed oxi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u00e1i \u0110\u1ea5t n\u1ebfu kh\u00f4ng c\u00f3 c\u00e2y c\u1ed1i th\u00ec s\u1ebd \u0111\u1ea7y kh\u00ed CO2 l\u00e0m cho con ng\u01b0\u1eddi ch\u1ebft ng\u1ea1t. H\u00e0m l\u01b0\u1ee3ng oxi trong kh\u00f4ng kh\u00ed c\u0169ng kh\u00f4ng th\u1ec3 t\u1eeb ban \u0111\u1ea7u l\u00e0 0,05% t\u0103ng \u0111\u1ebfn 21% nh\u01b0 ng\u00e0y nay, Tr\u00e1i \u0110\u1ea5t c\u0169ng kh\u00f4ng th\u1ec3 bi\u1ebfn th\u00e0nh m\u1ed9t h\u00e0nh tinh c\u00f3 s\u1ef1 s\u1ed1ng. \u0110i\u1ec1u \u0111\u00f3 c\u00f3 c\u00f4ng lao c\u1ee7a c\u00e2y m\u00eda \u0111\u00e3 \u201c\u0103n r\u1ea5t nhi\u1ec1u\u201d kh\u00ed CO2.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 ch\u1ea5t kh\u00ed c\u00f3 h\u1ea1i cho c\u01a1 th\u1ec3 ng\u01b0\u1eddi, nh\u01b0 florua hi\u0111ro Cacbon, kh\u00ed clo v\u00e0 clorua c\u00e2y m\u00eda c\u0169ng c\u00f3 t\u00ednh \u0111\u1ec1 kh\u00e1ng r\u1ea5t m\u1ea1nh. N\u00f3 c\u00f2n c\u00f3 th\u1ec3 t\u1eadn d\u1ee5ng n\u01b0\u1edbc th\u1ea3i c\u1ee7a nh\u00e0 m\u00e1y gi\u1ea5y l\u00e0m ph\u00e2n, t\u1eeb \u0111\u00f3 m\u00e0 gi\u1ea3m th\u1ea5p s\u1ef1 \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng do c\u00e1c nh\u00e0 m\u00e1y gi\u1ea5y g\u00e2y n\u00ean.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Qua \u0111\u00f3 c\u00f3 th\u1ec3 th\u1ea5y m\u00eda kh\u00f4ng nh\u1eefng l\u00e0 lo\u1ea1i hoa qu\u1ea3 \u01b0a th\u00edch c\u1ee7a con ng\u01b0\u1eddi m\u00e0 c\u00f2n l\u00e0 v\u1ec7 s\u0129 b\u1ea3o v\u1ec7 cho s\u1ef1 trong s\u1ea1ch c\u1ee7a m\u00f4i tr\u01b0\u1eddng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1eeb kho\u00e1: Kh\u00ed CO2; C\u00e2y m\u00eda.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>M\u00eda ngo\u00e0i vi\u1ec7c h\u1ea5p th\u1ee5 m\u1ed9t s\u1ed1 kho\u00e1ng ch\u1ea5t trong \u0111\u1ea5t, ch\u1ee7 y\u1ebfu l\u00e0 h\u1ea5p th\u1ee5 kh\u00ed CO2 trong kh\u00f4ng kh\u00ed. M\u00eda h\u00e0ng ng\u00e0y c\u00f3 th\u1ec3 h\u1ea5p th\u1ee5 m\u1ed9t l\u01b0\u1ee3ng kh\u00ed CO2 cao g\u1ea5p \u0111\u00f4i so v\u1edbi c\u00e2y l\u00faa, h\u01a1n n\u1eefa n\u00f3 c\u00f3 th\u1ec3 h\u1ea5p th\u1ee5 CO2 \u1edf n\u1ed3ng \u0111\u1ed9 cao. Kh\u00ed CO2 trong kh\u00f4ng [&hellip;]<\/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":[15,17],"tags":[],"class_list":["post-9396","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-moi-truong"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9396","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=9396"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9396\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=9396"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=9396"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=9396"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}