D\u00f9ng n\u01b0\u1edbc th\u1ea3i \u0111\u1ec3 t\u01b0\u1edbi ru\u1ed9ng \u0111\u00e3 c\u00f3 m\u1ed9t l\u1ecbch s\u1eed l\u00e2u \u0111\u1eddi. Th\u1eddi k\u1ef3 tr\u01b0\u1edbc C\u00f4ng nguy\u00ean, Trung Qu\u1ed1c c\u1ed5 \u0111\u1ea1i \u0111\u00e3 t\u1eebng d\u00f9ng n\u01b0\u1edbc th\u1ea3i \u0111\u1ec3 t\u01b0\u1edbi ru\u1ed9ng. V\u1ec1 sau d\u00f9ng n\u01b0\u1edbc th\u1ea3i t\u01b0\u1edbi ru\u1ed9ng d\u1ea7n d\u1ea7n ph\u00e1t tri\u1ec3n th\u00e0nh bi\u1ec7n ph\u00e1p v\u1eeba l\u00e0 \u0111\u1ec3 x\u1eed l\u00ed n\u01b0\u1edbc th\u1ea3i v\u1eeba k\u1ebft h\u1ee3p l\u1ee3i d\u1ee5ng ch\u00fang. V\u00ec trong n\u01b0\u1edbc th\u1ea3i c\u1ee7a th\u00e0nh ph\u1ed1 n\u00f3i chung ch\u1ee9a nhi\u1ec1u ch\u1ea5t dinh d\u01b0\u1ee1ng r\u1ea5t c\u1ea7n thi\u1ebft cho s\u1ef1 tr\u01b0\u1edfng th\u00e0nh c\u1ee7a c\u00e2y c\u1ed1i, nh\u01b0 trung b\u00ecnh c\u1ee9 1 lit n\u01b0\u1edbc th\u1ea3i c\u00f3 15 \u2013 60 mg nit\u01a1, 10 \u2013 30 mg ca\u0111imi, 9 \u2013 18 mg photpho v\u00e0 c\u00f2n nhi\u1ec1u nguy\u00ean t\u1ed1 vi l\u01b0\u1ee3ng kh\u00e1c. Do \u0111\u00f3 d\u00f9ng n\u01b0\u1edbc th\u1ea3i \u0111\u1ec3 t\u01b0\u1edbi ru\u1ed9ng v\u1eeba c\u00f3 th\u1ec3 t\u1eadn d\u1ee5ng ngu\u1ed3n n\u01b0\u1edbc, ti\u1ebft ki\u1ec7m n\u01b0\u1edbc d\u00f9ng cho n\u00f4ng nghi\u1ec7p l\u1ea1i v\u1eeba c\u00f3 th\u1ec3 h\u1ea5p thu nh\u1eefng ch\u1ea5t dinh d\u01b0\u1ee1ng trong \u0111\u00f3, l\u00e0m cho c\u00e2y c\u1ed1i ph\u00e1t tri\u1ec3n. \u0110\u1ed3ng th\u1eddi n\u00f3 c\u00f2n l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00ed n\u01b0\u1edbc th\u1ea3i kinh t\u1ebf v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng.<\/p>\n\n\n\n
D\u00f9ng n\u01b0\u1edbc th\u1ea3i t\u01b0\u1edbi ru\u1ed9ng c\u00f3 nhi\u1ec1u l\u1ee3i \u00edch nh\u01b0 v\u1eady. Nh\u01b0ng t\u1ea1i sao ng\u01b0\u1eddi ta l\u1ea1i kh\u00f4ng khuy\u1ebfn kh\u00edch d\u00f9ng n\u01b0\u1edbc th\u1ea3i \u0111\u1ec3 t\u01b0\u1edbi ru\u1ed9ng n\u1eefa? B\u1ea5t c\u1ee9 s\u1ef1 v\u1eadt, s\u1ef1 vi\u1ec7c g\u00ec \u0111\u1ec1u c\u00f3 hai m\u1eb7t l\u1ee3i v\u00e0 h\u1ea1i. Tr\u01b0\u1edbc \u0111\u00e2y do nh\u1eadn th\u1ee9c c\u00f2n h\u1ea1n ch\u1ebf, ng\u01b0\u1eddi ta th\u01b0\u1eddng ch\u1ec9 th\u1ea5y m\u1eb7t l\u1ee3i \u00edch xem nh\u1eb9 m\u1ed1i nguy h\u1ea1i r\u1ea5t l\u1edbn cho con ng\u01b0\u1eddi do d\u00f9ng n\u01b0\u1edbc th\u1ea3i. D\u00f9ng n\u01b0\u1edbc th\u1ea3i \u0111\u1ec3 t\u01b0\u1edbi ru\u1ed9ng t\u1ea5t nhi\u00ean c\u00f3 nhi\u1ec1u \u01b0u \u0111i\u1ec3m, nh\u01b0ng \u0111i\u1ec1u \u0111\u00f3 ph\u1ea3i b\u1ea3o \u0111\u1ea3m m\u1ed9t ti\u1ec1n \u0111\u1ec1, \u0111\u00f3 l\u00e0 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a n\u01b0\u1edbc th\u1ea3i ph\u1ea3i \u0111\u1ea1t m\u1ed9t ti\u00eau chu\u1ea9n nh\u1ea5t \u0111\u1ecbnh, v\u00ec n\u0103ng l\u1ef1c l\u00e0m s\u1ea1ch c\u1ee7a \u0111\u1ea5t l\u00e0 c\u00f3 h\u1ea1n. V\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n n\u00e0y s\u1ebd b\u1ecb n\u01b0\u1edbc th\u1ea3i l\u00e0m bi\u1ebfn ch\u1ea5t. N\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t c\u00f3 th\u1ec3 ch\u1ee9a nh\u1eefng vi khu\u1ea9n g\u00e2y b\u1ec7nh nh\u01b0 n\u01b0\u1edbc th\u1ea3i c\u1ee7a b\u1ec7nh vi\u1ec7n v\u00e0 m\u1ed9t s\u1ed1 nh\u00e0 m\u00e1y ch\u1ebf t\u1ea1o c\u00e1c s\u1ea3n ph\u1ea9m sinh v\u1eadt. Trong n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p c\u00f3 th\u1ec3 ch\u1ee9a nhi\u1ec1u lo\u1ea1i \u0111\u1ed9c t\u1ed1, nhi\u1ec1u ch\u1ea5t c\u00f3 h\u1ea1i, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00f3 th\u1ec3 ch\u1ee9a nh\u1eefng kim lo\u1ea1i n\u1eb7ng c\u00f3 h\u1ea1i m\u00e0 c\u00e1c sinh v\u1eadt kh\u00f4ng th\u1ec3 ph\u00e2n gi\u1ea3i \u0111\u01b0\u1ee3c ch\u00fang. C\u00f3 m\u1ed9t s\u1ed1 ch\u1ea5t \u0111\u1ed9c h\u00f3a h\u1ecdc r\u1ea5t \u1ed5n \u0111\u1ecbnh, nh\u01b0 lo\u1ea1i ch\u1ea5t c\u00f3 g\u1ed1c clo, sinh v\u1eadt kh\u00f4ng th\u1ec3 ph\u00e2n gi\u1ea3i \u0111\u01b0\u1ee3c. Cho n\u00ean n\u1ebfu kh\u00f4ng th\u00f4ng qua nh\u1eefng x\u1eed l\u00ed th\u00edch h\u1ee3p m\u00e0 tr\u1ef1c ti\u1ebfp d\u00f9ng n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p ho\u1eb7c n\u01b0\u1edbc th\u1ea3i \u0111\u00f4 th\u1ecb \u0111\u1ec3 t\u01b0\u1edbi ru\u1ed9ng s\u1ebd khi\u1ebfn v\u1ec7 sinh m\u00f4i tr\u01b0\u1eddng x\u1ea5u \u0111i, ho\u1eb7c lan truy\u1ec1n r\u1ed9ng r\u00e3i c\u00e1c b\u1ec7nh truy\u1ec1n nhi\u1ec5m v\u00e0 c\u00e1c b\u1ec7nh k\u00ed sinh tr\u00f9ng. Nh\u1eefng v\u00ed d\u1ee5 v\u1ec1 m\u1eb7t n\u00e0y r\u1ea5t nhi\u1ec1u.<\/p>\n\n\n\n
V\u00ed d\u1ee5 n\u0103m 1955 \u1edf Nh\u1eadt B\u1ea3n \u0111\u00e3 t\u1eebng ph\u00e1t sinh \u201cb\u1ec7nh \u0111au nh\u1ee9c\u201d, \u0111\u00f3 l\u00e0 v\u00ec c\u1ea3 m\u1ed9t th\u1eddi gian d\u00e0i d\u00f9ng n\u01b0\u1edbc th\u1ea3i c\u1ee7a c\u00e1c nh\u00e0 m\u00e1y luy\u1ec7n ch\u00ec v\u00e0 k\u1ebdm \u0111\u1ec3 t\u01b0\u1edbi ru\u1ed9ng khi\u1ebfn cho \u0111\u1ea5t \u0111ai v\u00e0 l\u00faa t\u0103ng h\u00e0m l\u01b0\u1ee3ng cadimi, sau khi ng\u01b0\u1eddi \u0103n ph\u1ea3i \u0111\u00e3 b\u1ecb ng\u1ed9 \u0111\u1ed9c v\u00e0 g\u00e2y b\u1ec7nh. Do \u0111\u00f3 \u0111\u1ec3 tr\u00e1nh cho \u0111\u1ea5t \u0111ai, n\u00f4ng s\u1ea3n v\u00e0 s\u1ee9c kh\u1ecfe c\u1ee7a con ng\u01b0\u1eddi b\u1ecb \u1ea3nh h\u01b0\u1edfng, ng\u01b0\u1eddi ta \u0111\u00e3 kh\u00f4ng \u0111\u1ec1 x\u01b0\u1edbng bi\u1ec7n ph\u00e1p d\u00f9ng n\u01b0\u1edbc th\u1ea3i \u0111\u1ec3 t\u01b0\u1edbi ru\u1ed9ng.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: N\u01b0\u1edbc th\u1ea3i \u0111\u00f4 th\u1ecb; N\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p.<\/p>\n","protected":false},"excerpt":{"rendered":"
D\u00f9ng n\u01b0\u1edbc th\u1ea3i \u0111\u1ec3 t\u01b0\u1edbi ru\u1ed9ng \u0111\u00e3 c\u00f3 m\u1ed9t l\u1ecbch s\u1eed l\u00e2u \u0111\u1eddi. Th\u1eddi k\u1ef3 tr\u01b0\u1edbc C\u00f4ng nguy\u00ean, Trung Qu\u1ed1c c\u1ed5 \u0111\u1ea1i \u0111\u00e3 t\u1eebng d\u00f9ng n\u01b0\u1edbc th\u1ea3i \u0111\u1ec3 t\u01b0\u1edbi ru\u1ed9ng. V\u1ec1 sau d\u00f9ng n\u01b0\u1edbc th\u1ea3i t\u01b0\u1edbi ru\u1ed9ng d\u1ea7n d\u1ea7n ph\u00e1t tri\u1ec3n th\u00e0nh bi\u1ec7n ph\u00e1p v\u1eeba l\u00e0 \u0111\u1ec3 x\u1eed l\u00ed n\u01b0\u1edbc th\u1ea3i v\u1eeba k\u1ebft h\u1ee3p l\u1ee3i […]<\/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-9304","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\/9304","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=9304"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9304\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=9304"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=9304"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=9304"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}