K\u1ebdm l\u00e0 vi ch\u1ea5t thi\u1ebft y\u1ebfu \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn r\u1ed9ng r\u00e3i \u0111\u1ed1i v\u1edbi c\u00e2y tr\u1ed3ng, v\u1edbi h\u00e0m l\u01b0\u1ee3ng th\u01b0\u1eddng d\u01b0\u1edbi 1\/1000 trong m\u00f4 th\u1ef1c v\u1eadt. M\u1eb7c d\u00f9 c\u00e2y tr\u1ed3ng c\u00f3 nhu c\u1ea7u th\u1ea5p \u0111\u1ed1i v\u1edbi c\u00e1c vi ch\u1ea5t nh\u01b0 k\u1ebdm, nh\u01b0ng ch\u00fang l\u1ea1i \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng kh\u00f4ng k\u00e9m c\u00e1c nguy\u00ean t\u1ed1 \u0111a l\u01b0\u1ee3ng trong qu\u00e1 tr\u00ecnh sinh tr\u01b0\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e2y. C\u00e2y ch\u1ee7 y\u1ebfu h\u1ea5p th\u1ee5 k\u1ebdm t\u1eeb \u0111\u1ea5t, v\u00e0 vi\u1ec7c b\u00f3n ph\u00e2n c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n ho\u1eb7c duy tr\u00ec h\u00e0m l\u01b0\u1ee3ng k\u1ebdm trong \u0111\u1ea5t v\u00e0 c\u00e2y tr\u1ed3ng.<\/p>\n
K\u1ebdm c\u00f3 kh\u1ea3 n\u0103ng th\u00fac \u0111\u1ea9y s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e2y tr\u1ed3ng v\u00e0 t\u0103ng n\u0103ng su\u1ea5t; n\u00e2ng cao s\u1ee9c ch\u1ed1ng ch\u1ecbu c\u1ee7a c\u00e2y tr\u01b0\u1edbc c\u00e1c stress phi sinh h\u1ecdc nh\u01b0 h\u1ea1n h\u00e1n v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao; c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng kh\u00e1ng b\u1ec7nh v\u00e0 s\u00e2u h\u1ea1i; \u0111\u1ed3ng th\u1eddi t\u0103ng c\u01b0\u1eddng ch\u1ea5t l\u01b0\u1ee3ng dinh d\u01b0\u1ee1ng c\u1ee7a c\u00e2y tr\u1ed3ng. Khi c\u00e2y thi\u1ebfu k\u1ebdm, k\u1ebdm t\u1eeb l\u00e1 gi\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chuy\u1ec3n sang l\u00e1 non, nh\u01b0ng t\u1ed1c \u0111\u1ed9 chuy\u1ec3n giao t\u01b0\u01a1ng \u0111\u1ed1i th\u1ea5p. Do \u0111\u00f3, tri\u1ec7u ch\u1ee9ng thi\u1ebfu k\u1ebdm ch\u1ee7 y\u1ebfu xu\u1ea5t hi\u1ec7n \u1edf ng\u1ecdn ch\u1ed3i v\u00e0 l\u00e1 non. C\u00e1c bi\u1ec3u hi\u1ec7n ch\u00ednh bao g\u1ed3m: c\u00e2y c\u00f2i c\u1ecdc, \u0111\u1ed1t th\u00e2n ng\u1eafn l\u1ea1i, th\u1eddi k\u1ef3 sinh tr\u01b0\u1edfng b\u1ecb tr\u00ec ho\u00e3n; l\u00e1 nh\u1ecf v\u00e0 m\u1ecdc th\u00e0nh c\u1ee5m; t\u00ecnh tr\u1ea1ng m\u1ea5t m\u00e0u gi\u1eefa c\u00e1c g\u00e2n l\u00e1 \u1edf nh\u1eefng l\u00e1 gi\u1eefa v\u00e0 l\u00e1 d\u01b0\u1edbi. Nh\u1eefng lo\u1ea1i c\u00e2y nh\u1ea1y c\u1ea3m v\u1edbi thi\u1ebfu k\u1ebdm bao g\u1ed3m c\u00e2y h\u1ecd \u0111\u1eadu, cam qu\u00fdt, l\u00faa, ng\u00f4, c\u00e2y \u0103n qu\u1ea3, c\u00e2y cao l\u01b0\u01a1ng, v.v. L\u00faa thi\u1ebfu k\u1ebdm s\u1ebd m\u1eafc b\u1ec7nh l\u00f9n, ng\u00f4 b\u1ecb b\u1ec7nh m\u1ea1 tr\u1eafng, c\u00f2n c\u00e2y t\u00e1o s\u1ebd xu\u1ea5t hi\u1ec7n b\u1ec7nh l\u00e1 nh\u1ecf v\u00e0 hi\u1ec7n t\u01b0\u1ee3ng m\u1ecdc rosette.<\/p>\n
Tuy nhi\u00ean, vi\u1ec7c b\u00f3n qu\u00e1 nhi\u1ec1u vi ch\u1ea5t c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn ng\u1ed9 \u0111\u1ed9c cho c\u00e2y tr\u1ed3ng. C\u00e2y b\u1ecb ng\u1ed9 \u0111\u1ed9c k\u1ebdm s\u1ebd xu\u1ea5t hi\u1ec7n hi\u1ec7n t\u01b0\u1ee3ng v\u00e0ng l\u00e1 v\u00e0 \u0111\u1ed1m n\u00e2u tr\u00ean l\u00e1.<\/p>\n
C\u00f3 b\u1ed1n ph\u01b0\u01a1ng ph\u00e1p b\u00f3n ph\u00e2n k\u1ebdm. Ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ea7u ti\u00ean v\u00e0 c\u0169ng l\u00e0 ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 phun tr\u1ef1c ti\u1ebfp. Ph\u01b0\u01a1ng ph\u00e1p th\u1ee9 hai l\u00e0 b\u00f3n v\u00e0o \u0111\u1ea5t, bao g\u1ed3m r\u1ea3i \u0111\u1ec1u, b\u00f3n theo b\u0103ng v\u00e0 b\u00f3n v\u00e0o t\u1eebng h\u1ed1c. Ph\u01b0\u01a1ng ph\u00e1p th\u1ee9 ba l\u00e0 x\u1eed l\u00fd h\u1ea1t gi\u1ed1ng, ch\u1eb3ng h\u1ea1n nh\u01b0 ng\u00e2m h\u1ea1t, tr\u1ed9n thu\u1ed1c b\u1ea3o v\u1ec7 h\u1ea1t gi\u1ed1ng v\u00e0 ph\u1ee7 l\u1edbp b\u1ea3o v\u1ec7 l\u00ean h\u1ea1t. Cu\u1ed1i c\u00f9ng l\u00e0 ph\u01b0\u01a1ng ph\u00e1p nh\u00fang g\u1ed1c d\u00e0nh cho c\u00e2y tr\u1ed3ng \u0111\u00e3 \u0111\u01b0\u1ee3c chuy\u1ec3n ra kh\u1ecfi v\u01b0\u1eddn \u01b0\u01a1m.<\/p>\n
C\u00e1c lo\u1ea1i ph\u00e2n b\u00f3n k\u1ebdm th\u00f4ng d\u1ee5ng hi\u1ec7n nay tr\u00ean th\u1ecb tr\u01b0\u1eddng bao g\u1ed3m k\u1ebdm sunfat, k\u1ebdm oxit, k\u1ebdm nitrat, k\u1ebdm cacbonat v\u00e0 nhi\u1ec1u lo\u1ea1i ph\u00e2n b\u00f3n l\u00e1 t\u1ed5ng h\u1ee3p kh\u00e1c.<\/p>\n
<\/p>","protected":false},"excerpt":{"rendered":"
K\u1ebdm l\u00e0 m\u1ed9t vi ch\u1ea5t thi\u1ebft y\u1ebfu \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn r\u1ed9ng r\u00e3i cho c\u00e2y tr\u1ed3ng, v\u1edbi h\u00e0m l\u01b0\u1ee3ng th\u01b0\u1eddng d\u01b0\u1edbi 1\/1000 trong c\u00e1c m\u00f4 th\u1ef1c v\u1eadt. M\u1eb7c d\u00f9 c\u00e2y tr\u1ed3ng c\u00f3 nhu c\u1ea7u th\u1ea5p \u0111\u1ed1i v\u1edbi c\u00e1c vi ch\u1ea5t nh\u01b0 k\u1ebdm, nh\u01b0ng ch\u00fang l\u1ea1i \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng kh\u00f4ng k\u00e9m c\u00e1c \u0111a l\u01b0\u1ee3ng trong qu\u00e1 tr\u00ecnh sinh tr\u01b0\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e2y tr\u1ed3ng. C\u00e2y tr\u1ed3ng ch\u1ee7 y\u1ebfu h\u1ea5p th\u1ee5 k\u1ebdm t\u1eeb \u0111\u1ea5t, v\u00e0 ph\u00e2n b\u00f3n c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n ho\u1eb7c duy tr\u00ec h\u00e0m l\u01b0\u1ee3ng k\u1ebdm [\u2026]<\/p>","protected":false},"author":4,"featured_media":1076,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1054","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-overview"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.daoanchemical.com\/vi\/wp-json\/wp\/v2\/posts\/1054","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.daoanchemical.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.daoanchemical.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.daoanchemical.com\/vi\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.daoanchemical.com\/vi\/wp-json\/wp\/v2\/comments?post=1054"}],"version-history":[{"count":0,"href":"https:\/\/www.daoanchemical.com\/vi\/wp-json\/wp\/v2\/posts\/1054\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.daoanchemical.com\/vi\/wp-json\/wp\/v2\/media\/1076"}],"wp:attachment":[{"href":"https:\/\/www.daoanchemical.com\/vi\/wp-json\/wp\/v2\/media?parent=1054"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.daoanchemical.com\/vi\/wp-json\/wp\/v2\/categories?post=1054"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.daoanchemical.com\/vi\/wp-json\/wp\/v2\/tags?post=1054"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}