\u0110\u1ea5t \u0111\u1ecf \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed1 t\u1ea1i ph\u00eda nam s\u00f4ng T r\u01b0\u1eddng Giang T rung Qu\u1ed1c, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c t\u1ec9nh khu v\u1ef1c nam b\u1ed9 nh\u01b0 H\u1ed3 B\u1eafc, mi\u1ec1n nam t\u1ec9nh An Huy, t\u1ec9nh Ph\u00fac Ki\u1ebfn, mi\u1ec1n trung t\u1ec9nh Chi\u1ebft Giang, Giang T \u00e2y, H\u1ed3 Nam. \u0110\u1ee9ng trong c\u00e1c thung l\u0169ng n\u00e0y nh\u00ecn xu\u1ed1ng s\u1ebd th\u1ea5y nh\u1eefng g\u00f2, \u0111\u1ed3i \u0111\u1ea5t \u0111\u1ecf n\u1ed1i ti\u1ebfp nhau. Cho d\u00f9 \u1edf \u0111\u00e2y th\u1ec9nh tho\u1ea3ng c\u0169ng \u0111\u01b0\u1ee3c \u0111i\u1ec3m xuy\u1ebft b\u1eb1ng nh\u1eefng h\u00e0ng c\u00e2y xanh, hoa c\u1ecf nh\u01b0ng c\u0169ng kh\u00f4ng th\u1ec3 so s\u00e1nh v\u1edbi c\u00e1c c\u00e1nh \u0111\u1ed3ng ph\u00ec nhi\u00eau c\u1ee7a v\u00f9ng \u0111\u1ed3ng b\u1eb1ng, ch\u00fang ta d\u1ec5 d\u00e0ng th\u1ea5y r\u00f5 \u0111\u1ed9 c\u1eb1n c\u1ed7i c\u1ee7a c\u00e1c v\u00f9ng \u0111\u1ea5t tr\u00ean.<\/p>\n\n\n\n
Vi\u1ec7c \u0111\u1ea5t \u0111\u1ecf ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed1 t\u1ea1i ph\u00eda nam, kh\u00f4ng ph\u1ea3i kh\u00f4ng c\u00f3 l\u00ed do. Nham th\u1ea1ch trong m\u1ed9t th\u1eddi gian d\u00e0i b\u1ecb phong h\u00f3a d\u1ea7n d\u1ea7n b\u1ecb v\u1ee1 v\u1ee5n v\u00e0 tr\u1edf th\u00e0nh l\u1edbp v\u1ecf phong h\u00f3a, d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng v\u00e0 s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a vi sinh v\u1eadt s\u1ebd tr\u1edf th\u00e0nh \u0111\u1ea5t. L\u1edbp v\u1ecf phong h\u00f3a \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed1 trong c\u00e1c thung l\u0169ng c\u1ee7a nh\u1eefng nh\u00e1nh s\u00f4ng l\u1edbn nh\u01b0: T r\u01b0\u1eddng Giang, T \u01b0\u01a1ng Giang,<\/p>\n\n\n\n
Nguy\u00ean Giang, C\u00e1n Giang, s\u00f4ng T i\u1ec1n \u0110\u01b0\u1eddng v.v.. \u0110\u1ea1i b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh v\u00e0o th\u1ebf k\u1ef7 th\u1ee9 3 k\u1ef7 ph\u1ea5n tr\u1eafng c\u00e1ch \u0111\u00e2y 80~140 tri\u1ec7u n\u0103m tr\u01b0\u1edbc, \u0111\u1ea5t s\u00e9t, \u0111\u1ea5t b\u00f9n, sa th\u1ea1ch \u0111\u1ecf l\u00e0 th\u00e0nh ph\u1ea7n ch\u1ee7 y\u1ebfu \u0111\u1ec3 h\u00ecnh th\u00e0nh n\u00ean \u201cH\u1ec7 th\u1ed1ng \u0111\u00e1 \u0111\u1ecf\u201d, n\u00f3 c\u00f2n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi b\u1ed9 ph\u1eadn \u201cH\u1ec7 th\u1ed1ng n\u00fai \u0111\u00e1 H\u1ecfa S\u01a1n\u201d \u0111\u00e1 \u0111\u1ecf c\u00f3 t\u00ednh axit, \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh t\u1eeb k\u1ec9 Jura t\u1edbi k\u1ec9 ph\u1ea5n tr\u1eafng c\u00e1ch \u0111\u00e2y kho\u1ea3ng 140~195 tri\u1ec7u n\u0103m tr\u01b0\u1edbc, v\u00e0 ch\u1ee9a m\u1ed9t h\u00e0m l\u01b0\u1ee3ng kho\u00e1ng s\u1ea3n s\u1eaft cao. Do mi\u1ec1n Nam thu\u1ed9c \u0111\u1edbi kh\u00ed h\u1eadu \u00e1 nhi\u1ec7t \u0111\u1edbi, \u0111i\u1ec1u ki\u1ec7n kh\u00ed h\u1eadu \u1edf \u0111\u00e2y c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m l\u00e0 nhi\u1ec7t \u0111\u1ed9 cao, m\u01b0a nhi\u1ec1u, c\u00e1c nguy\u00ean t\u1ed1 linh ho\u1ea1t c\u00f3 trong l\u1edbp v\u1ecf phong h\u00f3a nh\u01b0: kali, magie, canxi, natri\u2026 r\u1ea5t d\u1ec5 b\u1ecb n\u01b0\u1edbc m\u01b0a h\u00f2a tan v\u00e0 cu\u1ed1n tr\u00f4i \u0111i, c\u00f2n l\u1ea1i nh\u1eefng nguy\u00ean t\u1ed1 kh\u00f4ng b\u1ecb h\u00f2a tan nh\u01b0: s\u1eaft v\u00e0 nh\u00f4m s\u1ebd b\u1ecb cu\u1ed1n theo d\u00f2ng n\u01b0\u1edbc v\u00e0 th\u1ea9m th\u1ea5u, k\u1ebft t\u1ee7a trong \u0111\u1ea5t s\u00e9t. Sau khi b\u1ecb oxy h\u00f3a, \u0111\u1ea5t s\u00e9t b\u1ecb ph\u1ee7 l\u00ean b\u1edfi m\u00e0u n\u00e2u c\u1ee7a oxit nh\u00f4m v\u00e0 m\u00e0u \u0111\u1ecf c\u1ee7a oxit s\u1eaft. Do h\u00e0m l\u01b0\u1ee3ng oxit s\u1eaft c\u00f3 trong \u0111\u1ea5t s\u00e9t l\u1edbn h\u01a1n l\u01b0\u1ee3ng oxit nh\u00f4m, cho n\u00ean \u0111\u1ea5t s\u00e9t s\u1ebd c\u00f3 nhi\u1ec1u m\u00e0u \u0111\u1ecf h\u01a1n nh\u01b0ng c\u0169ng do ph\u1ea3i ch\u1ecbu m\u1ed9t \u1ea3nh h\u01b0\u1edfng nh\u1ea5t \u0111\u1ecbnh c\u1ee7a oxit nh\u00f4m n\u00ean trong m\u00e0u \u0111\u1ecf v\u1eabn c\u00f3 m\u00e0u x\u00e1m tr\u1edf th\u00e0nh m\u00e0u \u0111\u1ecf g\u1ea1ch , \u0111\u1ea5t s\u00e9t c\u0169ng c\u00f3 th\u00eam m\u1ed9t c\u00e1i t\u00ean n\u1eefa l\u00e0 \u0111\u1ea5t \u0111\u1ecf.<\/p>\n\n\n\n
\u0110\u1ea5t \u0111\u1ecf l\u00e0 lo\u1ea1i \u0111\u1ea5t c\u00f3 t\u00ednh axit, c\u1eb1n c\u1ed7i v\u00e0 b\u1ea1c m\u00e0u, th\u00f4ng th\u01b0\u1eddng kh\u00f4ng th\u00edch h\u1ee3p \u0111\u1ec3 tr\u1ed3ng c\u00e1c c\u00e2y n\u00f4ng nghi\u1ec7p, b\u1eaft bu\u1ed9c ph\u1ea3i tr\u1ea3i qua qu\u00e1 tr\u00ecnh c\u1ea3i t\u1ea1o \u0111\u1ea5t, l\u00e0m t\u0103ng c\u00e1c nguy\u00ean t\u1ed1 c\u00f3 t\u00ednh ki\u1ec1m v\u00e0 c\u00e1c v\u1eadt ch\u1ea5t h\u1eefu c\u01a1 c\u00f3 trong \u0111\u1ea5t m\u1edbi c\u00f3 th\u1ec3 bi\u1ebfn \u0111\u1ea5t \u0111\u1ecf th\u00e0nh \u0111\u1ea5t canh t\u00e1c. Ngo\u00e0i ra c\u00f2n c\u00f3 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c, \u0111\u00e2y l\u00e0 vi\u1ec7c ch\u1ecdn l\u1ef1a c\u00f3 m\u1ee5c \u0111\u00edch mang t\u00ednh kinh t\u1ebf nh\u1ea5t \u0111\u1ecbnh, ti\u1ebfn h\u00e0nh tr\u1ed3ng nh\u1eefng lo\u1ea1i c\u00e2y c\u00f3 th\u1ec3 sinh tr\u01b0\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n trong m\u00f4i tr\u01b0\u1eddng \u0111\u1ea5t c\u00f3 t\u00ednh axit, v\u00ed d\u1ee5 nh\u01b0 tr\u1ed3ng ch\u00e8, c\u0169ng l\u00e0 m\u1ed9t c\u00e1ch \u0111\u1ec3 b\u00e0 con sinh s\u1ed1ng t\u1ea1i nh\u1eefng khu v\u1ef1c \u0111\u1ea5t \u0111\u1ecf c\u00f3 th\u1ec3 tho\u00e1t ngh\u00e8o v\u00e0 x\u00e2y d\u1ef1ng kinh t\u1ebf.<\/p>\n\n\n\n
T \u1eeb kho\u00e1: \u0110\u1ea5t \u0111\u1ecf; oxit s\u1eaft v\u00e0 oxit nh\u00f4m.<\/p>\n","protected":false},"excerpt":{"rendered":"
\u0110\u1ea5t \u0111\u1ecf \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed1 t\u1ea1i ph\u00eda nam s\u00f4ng T r\u01b0\u1eddng Giang T rung Qu\u1ed1c, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c t\u1ec9nh khu v\u1ef1c nam b\u1ed9 nh\u01b0 H\u1ed3 B\u1eafc, mi\u1ec1n nam t\u1ec9nh An Huy, t\u1ec9nh Ph\u00fac Ki\u1ebfn, mi\u1ec1n trung t\u1ec9nh Chi\u1ebft Giang, Giang T \u00e2y, H\u1ed3 Nam. \u0110\u1ee9ng trong c\u00e1c thung l\u0169ng n\u00e0y nh\u00ecn xu\u1ed1ng s\u1ebd th\u1ea5y […]<\/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-10111","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\/10111","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=10111"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/10111\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=10111"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=10111"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=10111"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}