N\u01b0\u1edbc l\u00e0 m\u1ed9t lo\u1ea1i dung m\u00f4i. Trong c\u00e1c lo\u1ea1i dung d\u1ecbch n\u01b0\u1edbc \u0111\u1ec1u h\u00e0m ch\u1ee9a m\u1ed9t ph\u1ea7n mu\u1ed1i (kho\u00e1ng ch\u1ea5t). Ch\u00fang ta g\u1ecdi n\u01b0\u1edbc m\u00e0 h\u00e0m l\u01b0\u1ee3ng mu\u1ed1i chi\u1ebfm 0,3% l\u00e0 n\u01b0\u1edbc ng\u1ecdt. L\u00e0 n\u01b0\u1edbc l\u1ee3 khi l\u01b0\u1ee3ng mu\u1ed1i chi\u1ebfm 0,3~2,47%, g\u1ecdi l\u00e0 n\u01b0\u1edbc m\u1eb7n khi n\u01b0\u1edbc \u1edf h\u1ed3 c\u00f3 h\u00e0m l\u01b0\u1ee3ng mu\u1ed1i v\u01b0\u1ee3t qu\u00e1 2,47%.<\/p>\n\n\n\n
V\u1eady th\u00ec, t\u1ea1i sao l\u1ea1i c\u00f3 h\u1ed3 n\u01b0\u1edbc ng\u1ecdt, h\u1ed3 n\u01b0\u1edbc m\u1eb7n?<\/p>\n\n\n\n
Tr\u01b0\u1edbc \u0111\u00e2y, ph\u1ea7n l\u1edbn n\u01b0\u1edbc trong ao h\u1ed3 \u0111\u1ec1u l\u00e0 do n\u01b0\u1edbc s\u00f4ng \u0111\u1ed5 v\u00e0o. C\u00e1c d\u00f2ng s\u00f4ng trong qu\u00e1 tr\u00ecnh l\u01b0u th\u00f4ng \u0111\u00e3 h\u00f2a tan m\u1ed9t ph\u1ea7n th\u1ed5 nh\u01b0\u1ee1ng v\u00e0 nham th\u1ea1ch \u1edf khu v\u1ef1c m\u00e0 n\u00f3 \u0111i qua, ngo\u00e0i ra m\u1ed9t l\u01b0\u1ee3ng mu\u1ed1i c\u0169ng \u0111\u01b0\u1ee3c \u0111\u1ec3 l\u1ea1i trong c\u00e1c d\u00f2ng n\u01b0\u1edbc ng\u1ea7m khi c\u00e1c d\u00f2ng s\u00f4ng chay qua \u0111\u1ea5y. Khi c\u00e1c d\u00f2ng s\u00f4ng ch\u1ea3y qua ao h\u1ed3 l\u1ea1i \u0111\u1ec3 l\u1ea1i cho ao h\u1ed3 m\u1ed9t l\u01b0\u1ee3ng mu\u1ed1i. N\u1ebfu nh\u01b0 n\u01b0\u1edbc h\u1ed3 ti\u1ebfp t\u1ee5c ch\u1ea3y qua ch\u1ed7 kh\u00e1c th\u00ec l\u01b0\u1ee3ng mu\u1ed1i c\u0169ng theo \u0111\u00f3 m\u00e0 ch\u1ea3y theo. T \u1ea1i nh\u1eefng h\u1ed3 m\u00e0 d\u00f2ng n\u01b0\u1edbc ch\u1ea3y c\u1ef1c k\u1ef3 thu\u1eadn l\u1ee3i th\u00ec l\u01b0\u1ee3ng mu\u1ed1i r\u1ea5t kh\u00f3 c\u00f3 th\u1ec3 t\u1eadp trung \u0111\u01b0\u1ee3c. L\u1ea5y hai h\u1ed3 l\u1edbn nh\u1ea5t T rung Qu\u1ed1c l\u00e0 h\u1ed3 Ph\u1ed3n D\u01b0\u01a1ng v\u00e0 h\u1ed3 \u0110\u1ed9ng \u0110\u00ecnh l\u00e0m v\u00ed d\u1ee5, r\u1ea5t nhi\u1ec1u con s\u00f4ng l\u1edbn c\u1ee7a t\u1ec9nh Giang T \u00e2y v\u00e0 H\u1ed3 Nam \u0111\u1ec1u ch\u1ea3y qua hai h\u1ed3 n\u00e0y r\u1ed3i cu\u1ed1i c\u00f9ng n\u01b0\u1edbc c\u1ee7a hai h\u1ed3 n\u00e0y \u0111\u1ec1u \u0111\u1ed5 v\u1ec1 s\u00f4ng T r\u01b0\u1eddng Giang. Do \u0111\u00f3 c\u00e1c h\u1ed3 l\u1edbn nh\u01b0 h\u1ed3 Ph\u1ed3n D\u01b0\u01a1ng, \u0110\u1ed9ng \u0110\u00ecnh \u0111\u1ec1u l\u00e0 h\u1ed3 n\u01b0\u1edbc ng\u1ecdt.<\/p>\n\n\n\n
N\u1ebfu m\u1ed9t s\u1ed1 ao h\u1ed3 c\u00f3 h\u1ec7 th\u1ed1ng tho\u00e1t n\u01b0\u1edbc kh\u00f4ng thu\u1eadn l\u1ee3i nh\u01b0ng do kh\u00ed h\u1eadu kh\u00f4, khi\u1ebfn n\u01b0\u1edbc b\u1ed1c h\u01a1i v\u00e0 l\u00e0m ti\u00eau hao m\u1ed9t l\u01b0\u1ee3ng n\u01b0\u1edbc \u0111\u00e1ng k\u1ec3, h\u00e0m l\u01b0\u1ee3ng mu\u1ed1i th\u00ec c\u00e0ng ng\u00e0y c\u00e0ng cao, n\u01b0\u1edbc h\u1ed3 th\u00ec c\u00e0ng ng\u00e0y c\u00e0ng m\u1eb7n, \u0111i\u1ec1u \u0111\u00f3 h\u00ecnh th\u00e0nh n\u00ean h\u1ed3 n\u01b0\u1edbc m\u1eb7n. T \u1ea1i nh\u1eefng cao nguy\u00ean l\u1edbn v\u00e0 v\u00f9ng \u0111\u1ecba \u0111\u1edbi hoang m\u1ea1c, do m\u1ef1c n\u01b0\u1edbc th\u1ea5p, b\u1ed1c h\u01a1i n\u01b0\u1edbc l\u1ea1i m\u1ea1nh, \u0111\u1ecba h\u00ecnh b\u1eb1ng ph\u1eb3ng, tho\u00e1t n\u01b0\u1edbc kh\u00f4ng d\u1ec5 d\u00e0ng th\u00ec h\u1ed3 n\u01b0\u1edbc m\u1eb7n th\u01b0\u1eddng ph\u00e2n b\u1ed1 t\u01b0\u01a1ng \u0111\u1ed1i nhi\u1ec1u, nh\u1eefng h\u1ed3 n\u01b0\u1edbc m\u1eb7n nh\u01b0 T r\u00e0 Ca hay h\u1ed3 S\u00e1t Nh\u0129 H\u00e3n \u1edf trong khu v\u1ef1c b\u1ed3n \u0111\u1ecba S\u00e0i \u0110\u1ea1t M\u1ed9c thu\u1ed9c t\u1ec9nh T hanh H\u1ea3i l\u00e0 nh\u1eefng h\u1ed3 n\u01b0\u1edbc m\u1eb7n n\u1ed5i ti\u1ebfng nh\u1ea5t th\u1ebf gi\u1edbi. Nh\u01b0ng c\u00f2n c\u00f3 ng\u01b0\u1eddi cho r\u1eb1ng h\u1ed3 n\u01b0\u1edbc m\u1eb7n trong ni\u00ean \u0111\u1ea1i \u0111\u1ecba ch\u1ea5t v\u1ed1n l\u00e0 m\u1ed9t b\u1ed9 ph\u1eadn c\u1ee7a bi\u1ec3n. Sau khi n\u01b0\u1edbc bi\u1ec3n r\u00fat, t\u1ea1i nh\u1eefng v\u00f9ng tr\u0169ng th\u1ea5p c\u00f3 m\u1ed9t ph\u1ea7n n\u01b0\u1edbc bi\u1ec3n \u0111\u01b0\u1ee3c l\u01b0u l\u1ea1i n\u00ean h\u00ecnh th\u00e0nh h\u1ed3 nh\u01b0 ng\u00e0y nay. Do \u0111\u00f3 n\u01b0\u1edbc trong h\u1ed3 c\u00f2n gi\u1eef l\u1ea1i m\u1ed9t l\u01b0\u1ee3ng mu\u1ed1i r\u1ea5t l\u1edbn. L\u1ea1i c\u00f3 ng\u01b0\u1eddi cho r\u1eb1ng, h\u1ed3 n\u01b0\u1edbc m\u1eb7n l\u00e0 do k\u1ebft tinh c\u1ee7a nham th\u1ea1ch trong qu\u00e1 tr\u00ecnh phong h\u00f3a. T \u1ea1o th\u00e0nh do c\u00e1c nguy\u00ean nh\u00e2n nh\u01b0 m\u1ed9t ph\u1ea7n mu\u1ed1i \u0111\u01b0\u1ee3c ph\u00f3ng ra ho\u1eb7c do m\u1ed9t l\u01b0\u1ee3ng mu\u1ed1i trong qu\u00e1 tr\u00ecnh t\u00edch t\u1ee5 c\u1ee7a m\u1ea1ch n\u01b0\u1edbc ng\u1ea7m th\u1eddi c\u1ed5 \u0111\u1ea1i sau khi \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng \u0111\u00e3 h\u00f2a v\u00e0o n\u01b0\u1edbc h\u1ed3.<\/p>\n\n\n\n
N\u01b0\u1edbc trong h\u1ed3 n\u01b0\u1edbc m\u1eb7n m\u1eb7c d\u00f9 kh\u00f4ng th\u1ec3 u\u1ed1ng nh\u01b0ng c\u00f3 r\u1ea5t nhi\u1ec1u lo\u1ea1i kh\u00e1c nhau. V\u00ed d\u1ee5 c\u00f3 nh\u1eefng lo\u1ea1i mu\u1ed1i nh\u01b0: mu\u1ed1i \u0103n, mu\u1ed1i magi\u00ea, l\u01b0u hu\u1ef3nh, mu\u1ed1i kali, th\u1ea1ch cao, \u0111\u1ec1u l\u00e0 nh\u1eefng nguy\u00ean li\u1ec7u h\u00f3a c\u00f4ng nghi\u1ec7p quan tr\u1ecdng.<\/p>\n\n\n\n
C\u00f2n c\u00f3 m\u1ed9t s\u1ed1 ao h\u1ed3, v\u00ed d\u1ee5 nh\u01b0 h\u1ed3 Ba Nh\u0129 Ca T h\u1eadp, n\u1eeda b\u1ed9 ph\u1eadn ph\u00eda t\u00e2y c\u1ee7a h\u1ed3 l\u00e0 h\u1ed3 n\u01b0\u1edbc ng\u1ecdt, n\u1eeda ph\u00eda \u0111\u00f4ng l\u00e0 h\u1ed3 n\u01b0\u1edbc m\u1eb7n. B\u1ea1n c\u00f3 c\u1ea3m th\u1ea5y k\u1ef3 l\u1ea1 kh\u00f4ng?<\/p>\n\n\n\n
Tr\u01b0\u1edbc \u0111\u00e2y v\u1ecb tr\u00ed c\u1ee7a h\u1ed3 Ba Nh\u0129 Ca Th\u1eadp n\u1eb1m \u1edf khu v\u1ef1c T rung \u00c1, h\u1ed3 kh\u00f4ng c\u00f3 \u0111\u01b0\u1eddng \u0111\u1ec3 n\u01b0\u1edbc bi\u1ec3n ch\u1ea3y qua, c\u0169ng kh\u00f4ng c\u00f3 ch\u1ed7 n\u00e0o \u0111\u1ec3 n\u01b0\u1edbc c\u00f3 th\u1ec3 tho\u00e1t ra ngo\u00e0i. T \u1ea1i \u0111\u00f3 kh\u00ed h\u1eadu r\u1ea5t kh\u00f4 h\u1ea1n, h\u01a1i n\u01b0\u1edbc b\u1ed1c m\u1ea1nh khi\u1ebfn l\u01b0\u1ee3ng mu\u1ed1i l\u01b0u l\u1ea1i trong h\u1ed3 c\u00e0ng nhi\u1ec1u h\u01a1n, cho n\u00ean n\u01b0\u1edbc c\u1ee7a h\u1ed3 c\u00f3 v\u1ecb m\u1eb7n. Nh\u01b0ng \u1edf n\u1eeda h\u1ed3 ph\u00eda t\u00e2y c\u00f3 s\u00f4ng Y L\u00ea ch\u1ea3y qua, s\u00f4ng Y L\u00ea ch\u1ea3y t\u1eeb khu v\u1ef1c T \u1ef1 S\u01a1n, mang l\u01b0\u1ee3ng n\u01b0\u1edbc ng\u1ecdt c\u1ee7a nh\u1eefng t\u1ea3ng b\u0103ng tuy\u1ebft b\u1ecb tan ch\u1ea3y, do \u0111\u00f3 h\u00f2a tan \u0111\u01b0\u1ee3c v\u1edbi l\u01b0\u1ee3ng n\u01b0\u1edbc ng\u1ecdt \u1edf n\u1eeda ph\u00eda t\u00e2y c\u1ee7a h\u1ed3 Ba Nh\u0129 Ca T h\u1eadp, cho n\u00ean h\u1ed3 ph\u00eda t\u00e2y l\u00e0 h\u1ed3 n\u01b0\u1edbc ng\u1ecdt.<\/p>\n\n\n\n
N\u01b0\u1edbc l\u00e0 dung m\u00f4i c\u00f3 th\u1ec3 l\u01b0u \u0111\u1ed9ng, v\u1eady t\u1ea1i sao trong m\u1ed9t h\u1ed3, \u1edf ph\u00eda t\u00e2y n\u01b0\u1edbc ng\u1ecdt m\u00e0 \u1edf ph\u00eda \u0111\u00f4ng n\u01b0\u1edbc l\u1ea1i m\u1eb7n? Ch\u00fang ta c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y tr\u00ean b\u1ea3n \u0111\u1ed3 h\u00ecnh d\u00e1ng c\u1ee7a h\u1ed3 Ba Nh\u0129 Ca T h\u1eadp d\u00e0i v\u00e0 h\u1eb9p, ph\u00eda \u0111\u00f4ng v\u01b0\u01a1n d\u00e0i h\u01a1n 60 v\u1ea1n m\u00e9t, nh\u01b0ng \u1edf ph\u00eda nam ch\u1ec9 h\u1eb9p h\u01a1n kho\u1ea3ng 8~70 v\u1ea1n m\u00e9t, \u1edf gi\u1eefa l\u1ea1i c\u00f3 h\u01b0\u1edbng gi\u1ed1ng h\u00ecnh con chim h\u01b0\u1edbng l\u00ean ph\u00eda b\u1eafc, g\u00e2y tr\u1edf ng\u1ea1i cho vi\u1ec7c l\u01b0u th\u00f4ng n\u01b0\u1edbc \u1edf h\u1ed3 ph\u00eda t\u00e2y. \u0110\u1ed3ng th\u1eddi h\u1ed3 c\u0169ng t\u01b0\u01a1ng \u0111\u1ed1i n\u00f4ng, b\u00ecnh qu\u00e2n ch\u1ed7 s\u00e2u nh\u1ea5t c\u0169ng ch\u1ec9 c\u00f3 6 m, m\u00e0 th\u1eddi k\u1ef3 \u0111\u00f3ng b\u0103ng c\u1ee7a h\u1ed3 k\u00e9o d\u00e0i 5 th\u00e1ng\/n\u0103m, \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 \u0111i\u1ec1u ki\u1ec7n kh\u00f4ng thu\u1eadn l\u1ee3i cho vi\u1ec7c l\u01b0u th\u00f4ng c\u1ee7a h\u1ed3 ph\u00eda t\u00e2y, v\u00ec th\u1ebf h\u1ed3 ph\u00eda \u0111\u00f4ng c\u00f3 th\u1ec3 duy tr\u00ec \u0111\u01b0\u1ee3c \u0111\u1ed9 m\u1eb7n m\u00e0 kh\u00f4ng tr\u1edf th\u00e0nh h\u1ed3 n\u01b0\u1edbc ng\u1ecdt nh\u01b0 \u1edf h\u1ed3 ph\u00eda t\u00e2y.<\/p>\n\n\n\n
T \u1eeb kho\u00e1: H\u1ed3 n\u01b0\u1edbc ng\u1ecdt.<\/p>\n","protected":false},"excerpt":{"rendered":"
N\u01b0\u1edbc l\u00e0 m\u1ed9t lo\u1ea1i dung m\u00f4i. Trong c\u00e1c lo\u1ea1i dung d\u1ecbch n\u01b0\u1edbc \u0111\u1ec1u h\u00e0m ch\u1ee9a m\u1ed9t ph\u1ea7n mu\u1ed1i (kho\u00e1ng ch\u1ea5t). Ch\u00fang ta g\u1ecdi n\u01b0\u1edbc m\u00e0 h\u00e0m l\u01b0\u1ee3ng mu\u1ed1i chi\u1ebfm 0,3% l\u00e0 n\u01b0\u1edbc ng\u1ecdt. L\u00e0 n\u01b0\u1edbc l\u1ee3 khi l\u01b0\u1ee3ng mu\u1ed1i chi\u1ebfm 0,3~2,47%, g\u1ecdi l\u00e0 n\u01b0\u1edbc m\u1eb7n khi n\u01b0\u1edbc \u1edf h\u1ed3 c\u00f3 h\u00e0m l\u01b0\u1ee3ng mu\u1ed1i v\u01b0\u1ee3t qu\u00e1 […]<\/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-10131","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\/10131","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=10131"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/10131\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=10131"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=10131"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=10131"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}