{"id":4960,"date":"2020-10-08T01:06:25","date_gmt":"2020-10-08T01:06:25","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=4960"},"modified":"2020-10-08T01:06:25","modified_gmt":"2020-10-08T01:06:25","slug":"understanding-soil-ph-and-how-to-raise-it","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/plant-science\/understanding-soil-ph-and-how-to-raise-it\/","title":{"rendered":"T\u0103ng \u0110\u1ed9 pH \u0110\u1ea5t: B\u00ed Quy\u1ebft Cho Khu V\u01b0\u1eddn S\u1ee9c S\u1ed1ng"},"content":{"rendered":"

Hi\u1ec3u v\u1ec1 \u0110\u1ed9 pH c\u1ee7a \u0110\u1ea5t v\u00e0 C\u00e1ch T\u0103ng \u0110\u1ed9 pH<\/h2>\n\n

\u0110\u1ed9 pH c\u1ee7a \u0110\u1ea5t v\u00e0 S\u1ef1 Ph\u00e1t Tri\u1ec3n c\u1ee7a C\u00e2y Tr\u1ed3ng<\/h3>\n\n

\u0110\u1ed9 pH c\u1ee7a \u0111\u1ea5t, th\u01b0\u1edbc \u0111o \u0111\u1ed9 chua hay \u0111\u1ed9 ki\u1ec1m, \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t cho s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e2y tr\u1ed3ng. H\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i c\u00e2y ph\u00e1t tri\u1ec3n t\u1ed1t trong \u0111\u1ea5t trung t\u00ednh \u0111\u1ebfn h\u01a1i chua (\u0111\u1ed9 pH t\u1eeb 5,8 \u0111\u1ebfn 6,5). Tuy nhi\u00ean, m\u1ed9t s\u1ed1 lo\u1ea1i c\u00e2y nh\u01b0 \u0111\u1ed7 quy\u00ean, hoa h\u1ed3ng v\u00e0 vi\u1ec7t qu\u1ea5t l\u1ea1i \u01b0a \u0111\u1ea5t chua (\u0111\u1ed9 pH t\u1eeb 5,0 \u0111\u1ebfn 5,5), trong khi nh\u1eefng lo\u1ea1i kh\u00e1c nh\u01b0 h\u1ecd c\u1ea3i v\u00e0 th\u01b0\u1ee3c d\u01b0\u1ee3c c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u1ef1ng \u0111\u01b0\u1ee3c \u0111\u1ea5t h\u01a1i ki\u1ec1m (\u0111\u1ed9 pH t\u1eeb 7,0 \u0111\u1ebfn 8,0).<\/p>\n\n

\u0110\u1ed9 Chua v\u00e0 \u0110\u1ed9 Ki\u1ec1m c\u1ee7a \u0110\u1ea5t<\/h3>\n\n

\u0110\u1ed9 chua c\u1ee7a \u0111\u1ea5t kh\u00f4ng ph\u1ea3i l\u00e0 gi\u00e1 tr\u1ecb c\u1ed1 \u0111\u1ecbnh v\u00e0 c\u00f3 th\u1ec3 thay \u0111\u1ed5i theo th\u1eddi gian do c\u00e1c y\u1ebfu t\u1ed1 t\u1ef1 nhi\u00ean ho\u1eb7c do con ng\u01b0\u1eddi g\u00e2y ra, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u01b0a nhi\u1ec1u, ph\u00e2n h\u1ee7y ch\u1ea5t h\u1eefu c\u01a1 v\u00e0 s\u1eed d\u1ee5ng ph\u00e2n b\u00f3n t\u1ed5ng h\u1ee3p c\u00f3 h\u00e0m l\u01b0\u1ee3ng nit\u01a1 cao. \u0110\u1ed9 chua c\u1ee7a \u0111\u1ea5t d\u01b0\u1edbi 5,0 c\u00f3 th\u1ec3 c\u1ea3n tr\u1edf s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e2y tr\u1ed3ng, \u0111\u00f2i h\u1ecfi ph\u1ea3i c\u00f3 bi\u1ec7n ph\u00e1p t\u0103ng \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t.<\/p>\n\n

Ki\u1ec3m Tra \u0110\u1ed9 pH c\u1ee7a \u0110\u1ea5t<\/h3>\n\n

Tr\u01b0\u1edbc khi thay \u0111\u1ed5i \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i ki\u1ec3m tra \u0111\u1ea5t b\u1eb1ng b\u1ed9 d\u1ee5ng c\u1ee5 ho\u1eb7c m\u00e1y \u0111o \u0111\u1ed9 pH. X\u00e9t nghi\u1ec7m n\u00e0y s\u1ebd x\u00e1c \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 pH hi\u1ec7n t\u1ea1i v\u00e0 h\u01b0\u1edbng d\u1eabn c\u00e1c bi\u1ec7n ph\u00e1p c\u1ea3i t\u1ea1o \u0111\u1ea5t ph\u00f9 h\u1ee3p c\u1ea7n th\u1ef1c hi\u1ec7n.<\/p>\n\n

C\u00e1c Ph\u01b0\u01a1ng Ph\u00e1p T\u0103ng \u0110\u1ed9 pH c\u1ee7a \u0110\u1ea5t<\/h3>\n\n

\u0110\u00e1 V\u00f4i<\/h2>\n\n

\u0110\u00e1 v\u00f4i hay v\u00f4i v\u01b0\u1eddn l\u00e0 bi\u1ec7n ph\u00e1p c\u1ea3i t\u1ea1o \u0111\u1ea5t ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u1ea3m \u0111\u1ed9 chua c\u1ee7a \u0111\u1ea5t. \u0110\u00e2y l\u00e0 \u0111\u00e1 v\u00f4i nghi\u1ec1n c\u00f3 nhi\u1ec1u d\u1ea1ng kh\u00e1c nhau, bao g\u1ed3m d\u1ea1ng b\u1ed9t, d\u1ea1ng h\u1ea1t, d\u1ea1ng vi\u00ean v\u00e0 d\u1ea1ng ng\u1eadm n\u01b0\u1edbc. V\u00f4i b\u1ed9t c\u00f3 t\u00e1c d\u1ee5ng nhanh nh\u1ea5t nh\u01b0ng c\u00f3 th\u1ec3 g\u00e2y t\u1eafc ngh\u1ebdn, trong khi v\u00f4i d\u1ea1ng h\u1ea1t v\u00e0 d\u1ea1ng vi\u00ean \u00edt g\u00e2y t\u1eafc ngh\u1ebdn h\u01a1n. V\u00f4i ng\u1eadm n\u01b0\u1edbc l\u00e0m t\u0103ng \u0111\u1ed9 pH nhanh ch\u00f3ng nh\u01b0ng c\u1ea7n ph\u1ea3i x\u1eed l\u00fd c\u1ea9n th\u1eadn do t\u00ednh ph\u1ea3n \u1ee9ng c\u1ee7a n\u00f3.<\/p>\n\n

\u0110\u00e1 Dolomit<\/h2>\n\n

\u0110\u00e1 dolomit ch\u1ee9a c\u1ea3 canxi v\u00e0 magi\u00ea, kh\u00f4ng gi\u1ed1ng nh\u01b0 \u0111\u00e1 v\u00f4i canxi ch\u1ec9 ch\u1ee9a canxi. C\u1ea3 hai lo\u1ea1i \u0111\u00e1 v\u00f4i n\u00e0y \u0111\u1ec1u trung h\u00f2a \u0111\u1ed9 chua c\u1ee7a \u0111\u1ea5t nh\u01b0 nhau, nh\u01b0ng \u0111\u00e1 dolomit th\u01b0\u1eddng \u0111\u01b0\u1ee3c b\u00e1n \u1edf d\u1ea1ng vi\u00ean.<\/p>\n\n

Th\u1eddi \u0110i\u1ec3m C\u1ea3i T\u1ea1o \u0110\u1ed9 pH c\u1ee7a \u0110\u1ea5t<\/h3>\n\n

\u0110\u1ed1i v\u1edbi v\u01b0\u1eddn rau, n\u00ean c\u1ea3i t\u1ea1o \u0111\u1ea5t v\u00e0o m\u00f9a thu ho\u1eb7c m\u00f9a \u0111\u00f4ng tr\u01b0\u1edbc khi tr\u1ed3ng v\u00e0o m\u00f9a xu\u00e2n. \u0110\u1ed1i v\u1edbi c\u00e2y \u0111\u00e3 tr\u01b0\u1edfng th\u00e0nh nh\u01b0 c\u00e2y t\u00fa c\u1ea7u, c\u00f3 th\u1ec3 th\u00eam v\u00f4i v\u00e0o \u0111\u1ea7u m\u00f9a xu\u00e2n, cu\u1ed1i m\u00f9a xu\u00e2n ho\u1eb7c m\u00f9a thu. Tr\u00e1nh r\u1ea3i v\u00f4i v\u00e0o nh\u1eefng m\u00f9a h\u00e8 \u1ea9m \u01b0\u1edbt v\u00ec v\u00f4i c\u1ea7n n\u01b0\u1edbc \u0111\u1ec3 ph\u1ea3n \u1ee9ng v\u00e0 m\u1ea5t th\u1eddi gian \u0111\u1ec3 thay \u0111\u1ed5i \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t.<\/p>\n\n

C\u00e1c Y\u1ebfu T\u1ed1 \u1ea2nh H\u01b0\u1edfng \u0111\u1ebfn \u0110\u1ed9 pH c\u1ee7a \u0110\u1ea5t<\/h3>\n\n

Lo\u1ea1i \u0110\u00e1:<\/strong> \u0110\u00e1 granit c\u00f3 t\u00ednh axit g\u00f3p ph\u1ea7n l\u00e0m \u0111\u1ea5t chua, trong khi \u0111\u00e1 phi\u1ebfn ho\u1eb7c \u0111\u00e1 v\u00f4i c\u00f3 t\u00ednh ki\u1ec1m g\u00f3p ph\u1ea7n l\u00e0m \u0111\u1ea5t ki\u1ec1m.<\/p>\n\n

M\u01b0a:<\/strong> M\u01b0a th\u01b0\u1eddng xuy\u00ean v\u00e0 nhi\u1ec1u s\u1ebd r\u1eeda tr\u00f4i c\u00e1c nguy\u00ean t\u1ed1 ki\u1ec1m kh\u1ecfi \u0111\u1ea5t, khi\u1ebfn \u0111\u1ea5t chua h\u01a1n.<\/p>\n\n

Ch\u1ea5t H\u1eefu C\u01a1:<\/strong> L\u00e1 c\u00e2y t\u00edch t\u1ee5, l\u00e1 th\u00f4ng v\u00e0 c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 \u0111ang ph\u00e2n h\u1ee7y kh\u00e1c c\u0169ng c\u00f3 th\u1ec3 l\u00e0m t\u0103ng \u0111\u1ed9 chua c\u1ee7a \u0111\u1ea5t.<\/p>\n\n

C\u00e2u H\u1ecfi Th\u01b0\u1eddng G\u1eb7p<\/h3>\n\n

Baking soda c\u00f3 l\u00e0m t\u0103ng \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t kh\u00f4ng?<\/h2>\n\n

Baking soda c\u00f3 th\u1ec3 l\u00e0m t\u0103ng \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t t\u1ea1m th\u1eddi, nh\u01b0ng kh\u00f4ng ph\u1ea3i l\u00e0 gi\u1ea3i ph\u00e1p l\u00e2u d\u00e0i \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb v\u00ec c\u00f3 th\u1ec3 l\u00e0m ch\u00e1y c\u00e2y.<\/p>\n\n

Nh\u1eefng lo\u1ea1i c\u00e2y n\u00e0o \u01b0a \u0111\u1ea5t c\u00f3 \u0111\u1ed9 pH cao?<\/h2>\n\n

C\u00e2y redbud v\u00e0 c\u00e2y b\u1ed3 \u0111\u1ec1 l\u00e0 nh\u1eefng lo\u1ea1i c\u00e2y c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u1ef1ng ho\u1eb7c \u01b0a \u0111\u1ea5t ki\u1ec1m.<\/p>\n\n

\u0110i\u1ec1u g\u00ec x\u1ea3y ra n\u1ebfu t\u00f4i kh\u00f4ng t\u0103ng \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t?<\/h2>\n\n

T\u00f9y thu\u1ed9c v\u00e0o m\u1ee9c \u0111\u1ed9 chua c\u1ee7a \u0111\u1ea5t, s\u1ee9c kh\u1ecfe c\u1ee7a c\u00e2y c\u00f3 th\u1ec3 b\u1ecb \u1ea3nh h\u01b0\u1edfng. Tuy nhi\u00ean, n\u1ebfu \u0111\u1ea5t kh\u00f4ng qu\u00e1 chua, b\u1ea1n v\u1eabn c\u00f3 th\u1ec3 tr\u1ed3ng c\u00e1c lo\u1ea1i c\u00e2y \u01b0a \u0111\u1ea5t chua.<\/p>","protected":false},"excerpt":{"rendered":"

Hi\u1ec3u v\u1ec1 \u0110\u1ed9 pH c\u1ee7a \u0110\u1ea5t v\u00e0 C\u00e1ch T\u0103ng \u0110\u1ed9 pH \u0110\u1ed9 pH c\u1ee7a \u0110\u1ea5t v\u00e0 S\u1ef1 Ph\u00e1t Tri\u1ec3n c\u1ee7a C\u00e2y Tr\u1ed3ng \u0110\u1ed9 pH c\u1ee7a \u0111\u1ea5t, th\u01b0\u1edbc \u0111o \u0111\u1ed9 chua…<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7685],"tags":[8883,8884,8882,7389,8886,8885],"class_list":["post-4960","post","type-post","status-publish","format-standard","hentry","category-plant-science","tag-soil-amendment","tag-limestone","tag-soil-ph","tag-soil-science","tag-plant-growth","tag-dolomitic-lime"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/4960","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/comments?post=4960"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/4960\/revisions"}],"predecessor-version":[{"id":4961,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/4960\/revisions\/4961"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=4960"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=4960"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=4960"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}