{"id":3416,"date":"2025-02-12T11:31:12","date_gmt":"2025-02-12T04:31:12","guid":{"rendered":"https:\/\/vietgiaminh.com.vn\/?p=3416"},"modified":"2025-03-20T14:22:04","modified_gmt":"2025-03-20T07:22:04","slug":"4-yeu-to-de-cay-sau-rieng-ra-hoa-manh","status":"publish","type":"post","link":"https:\/\/vietgiaminh.com.vn\/en\/4-yeu-to-de-cay-sau-rieng-ra-hoa-manh\/","title":{"rendered":"4 Y\u1ebeU T\u1ed0 \u0110\u1ec2 C\u00c2Y S\u1ea6U RI\u00caNG RA HOA M\u1ea0NH"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_72 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed9i dung ch\u00ednh<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/vietgiaminh.com.vn\/en\/4-yeu-to-de-cay-sau-rieng-ra-hoa-manh\/#LUC_CAY_SUC_CAY\" title=\"L\u1ef0C C\u00c2Y, S\u1ee8C C\u00c2Y\">L\u1ef0C C\u00c2Y, S\u1ee8C C\u00c2Y<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/vietgiaminh.com.vn\/en\/4-yeu-to-de-cay-sau-rieng-ra-hoa-manh\/#TAO_KHO_HAN\" title=\"T\u1ea0O KH\u00d4 H\u1ea0N\">T\u1ea0O KH\u00d4 H\u1ea0N<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/vietgiaminh.com.vn\/en\/4-yeu-to-de-cay-sau-rieng-ra-hoa-manh\/#DINH_DUONG\" title=\"DINH D\u01af\u1ee0NG\">DINH D\u01af\u1ee0NG<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/vietgiaminh.com.vn\/en\/4-yeu-to-de-cay-sau-rieng-ra-hoa-manh\/#CHAM_SOC_GIAI_DOAN_RA_HOA_DAU_TRAI\" title=\"CH\u0102M S\u00d3C GIAI \u0110O\u1ea0N RA HOA, \u0110\u1eacU TR\u00c1I\">CH\u0102M S\u00d3C GIAI \u0110O\u1ea0N RA HOA, \u0110\u1eacU TR\u00c1I<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/vietgiaminh.com.vn\/en\/4-yeu-to-de-cay-sau-rieng-ra-hoa-manh\/#KET_LUAN\" title=\"K\u1ebeT LU\u1eacN\">K\u1ebeT LU\u1eacN<\/a><\/li><\/ul><\/nav><\/div>\n<p data-pm-slice=\"1 1 []\"><span style=\"color: #000000;\">S\u1ea7u ri\u00eang l\u00e0 lo\u1ea1i c\u00e2y \u0103n tr\u00e1i mang l\u1ea1i gi\u00e1 tr\u1ecb kinh t\u1ebf cao. Tuy nhi\u00ean, \u0111\u1ec3 c\u00e2y s\u1ea7u ri\u00eang ra hoa<\/span><span style=\"color: #000000;\"> m\u1ea1nh, \u0111\u1eadu tr\u00e1i t\u1ed1t, nh\u00e0 v\u01b0\u1eddn c\u1ea7n ch\u00fa tr\u1ecdng \u0111\u1ebfn nhi\u1ec1u y\u1ebfu t\u1ed1 quan tr\u1ecdng. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 c\u00e1c y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh s\u1ef1 ra b\u00f4ng c\u1ee7a s\u1ea7u ri\u00eang v\u00e0 c\u00e1ch \u00e1p d\u1ee5ng hi\u1ec7u qu\u1ea3.<\/span><\/p>\n<p><span style=\"color: #000000;\">\u0110\u1ec3 <a href=\"https:\/\/vietgiaminh.com.vn\/en\/4-yeu-to-de-cay-sau-rieng-ra-hoa-manh\/\">c\u00e2y s\u1ea7u ri\u00eang ra hoa m\u1ea1nh<\/a> c\u1ea7n 4 y\u1ebfu t\u1ed1 sau:<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"LUC_CAY_SUC_CAY\"><\/span><span style=\"font-size: 18pt; color: #000000;\">L\u1ef0C C\u00c2Y, S\u1ee8C C\u00c2Y<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"color: #000000;\"><mark class=\"result__para__0 suggestion_paragraphs\" data-para=\"result__para__0\">Tr\u01b0\u1edbc khi b\u01b0\u1edbc v\u00e0o giai \u0111o\u1ea1n\u00a0k\u00edch\u00a0th\u00edch\u00a0ra hoa\u00a0cho c\u00e2y s\u1ea7u ri\u00eang, b\u00e0 con c\u1ea7n chu\u1ea9n b\u1ecb\u00a0cho\u00a0c\u00e2y\u00a0c\u00f3 l\u1ef1c\u00a0t\u1ed1t, c\u00e0nh\u00a0v\u00e0\u00a0l\u00e1 kh\u1ecfe\u00a0m\u1ea1nh,\u00a0v\u00e0\u00a0\u0111\u1eb7c bi\u1ec7t ph\u1ea3i \u0111\u1ea3m b\u1ea3o c\u00e2y kh\u00f4ng b\u1ecb\u00a0b\u1ec7nh.<\/mark>\u00a0<mark class=\"result__para__2 suggestion_paragraphs\" data-para=\"result__para__2\">Ng\u01b0\u1eddi\u00a0tr\u1ed3ng\u00a0c\u1ea7n\u00a0l\u01b0u\u00a0\u00fd\u00a0kh\u00f4ng\u00a0n\u00ean\u00a0k\u00edch th\u00edch c\u00e2y ra\u00a0hoa\u00a0khi c\u00e2y \u0111ang trong giai \u0111o\u1ea1n ph\u00e1t tri\u1ec3n \u0111\u1ecdt,\u00a0v\u00ec\u00a0\u0111i\u1ec1u n\u00e0y r\u1ea5t d\u1ec5 d\u1eabn \u0111\u1ebfn\u00a0s\u1ef1\u00a0c\u1ea1nh tranh\u00a0v\u1ec1\u00a0dinh d\u01b0\u1ee1ng,\u00a0khi\u1ebfn\u00a0c\u00e2y ph\u00e1t tri\u1ec3n kh\u00f4ng\u00a0\u0111\u1ed3ng\u00a0\u0111\u1ec1u, b\u00f4ng\u00a0c\u00f3 th\u1ec3\u00a0kh\u00f3 ra ho\u1eb7c kh\u00f4ng\u00a0\u0111\u1ea1t y\u00eau c\u1ea7u.<\/mark>\u00a0<\/span><\/p>\n<p><span style=\"color: #000000;\"><mark class=\"result__para__4 suggestion_paragraphs\" data-para=\"result__para__4\">Ch\u1ec9 n\u00ean\u00a0th\u1ef1c\u00a0s\u1ef1\u00a0ti\u1ebfn\u00a0h\u00e0nh\u00a0k\u00edch th\u00edch ra hoa\u00a0khi c\u00e2y\u00a0\u0111\u00e3\u00a0\u0111\u1ea1t \u0111\u1ee7 2 &#8211; 3 c\u01a1i \u0111\u1ecdt \u0111\u1ed1i v\u1edbi\u00a0nh\u1eefng\u00a0v\u01b0\u1eddn \u0111\u00e3 cho thu ho\u1ea1ch,\u00a0c\u00f2n\u00a0\u0111\u1ed1i v\u1edbi\u00a0c\u00e1c\u00a0v\u01b0\u1eddn\u00a0non\u00a0th\u00ec c\u1ea7n\u00a0\u0111\u1ea3m b\u1ea3o\u00a0c\u00f3 \u0111\u1ee7 s\u1ed1 c\u00e0nh mang tr\u00e1i v\u00e0 b\u1ed9 l\u00e1 kh\u1ecfe\u00a0m\u1ea1nh.<\/mark><\/span><\/p>\n<p><span style=\"color: #000000;\"><mark class=\"result__para__0 suggestion_paragraphs\" data-para=\"result__para__0\">\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e2y tr\u1ed3ng ph\u00e1t tri\u1ec3n kh\u1ecfe m\u1ea1nh v\u00e0 \u0111\u1ea7y s\u1ee9c s\u1ed1ng, b\u00e0 con c\u1ea7n th\u1ef1c hi\u1ec7n nh\u1eefng c\u00f4ng vi\u1ec7c ch\u0103m s\u00f3c tr\u01b0\u1edbc khi c\u00e2y s\u1ea7u ri\u00eang ra hoa.<\/mark>\u00a0<mark class=\"result__para__2 suggestion_paragraphs\" data-para=\"result__para__2\">D\u01b0\u1edbi\u00a0\u0111\u00e2y\u00a0l\u00e0\u00a0c\u00e1c b\u01b0\u1edbc\u00a0tham kh\u1ea3o:<\/mark><\/span><\/p>\n<p data-pm-slice=\"1 3 []\"><span style=\"color: #000000;\">\u0110i\u1ec1u Ki\u1ec7n Kh\u00ed H\u1eadu V\u00e0 Th\u1eddi Ti\u1ebft<\/span><\/p>\n<ul data-spread=\"false\">\n<li><span style=\"color: #000000;\">S\u1ea7u ri\u00eang th\u00edch h\u1ee3p v\u1edbi kh\u00ed h\u1eadu nhi\u1ec7t \u0111\u1edbi, c\u00f3 m\u00f9a kh\u00f4 r\u00f5 r\u1ec7t.<\/span><\/li>\n<li><span style=\"color: #000000;\">Nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u01b0u t\u1eeb <strong>25-30\u00b0C<\/strong> gi\u00fap k\u00edch th\u00edch ra hoa m\u1ea1nh.<\/span><\/li>\n<li><span style=\"color: #000000;\">L\u01b0\u1ee3ng m\u01b0a v\u00e0 \u0111\u1ed9 \u1ea9m c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t \u0111\u1ec3 tr\u00e1nh \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn qu\u00e1 tr\u00ecnh ra b\u00f4ng.<\/span><\/li>\n<\/ul>\n<p><span style=\"color: #000000;\">Ch\u1ebf \u0110\u1ed9 T\u01b0\u1edbi N\u01b0\u1edbc H\u1ee3p L\u00fd<\/span><\/p>\n<ul data-spread=\"false\">\n<li><span style=\"color: #000000;\">Gi\u1ea3m t\u01b0\u1edbi n\u01b0\u1edbc d\u1ea7n t\u1eeb <strong>30-45 ng\u00e0y<\/strong> tr\u01b0\u1edbc khi c\u00e2y ra b\u00f4ng \u0111\u1ec3 k\u00edch th\u00edch qu\u00e1 tr\u00ecnh ph\u00e2n h\u00f3a m\u1ea7m hoa.<\/span><\/li>\n<li><span style=\"color: #000000;\">Khi c\u00e2y b\u1eaft \u0111\u1ea7u nh\u00fa b\u00f4ng, t\u01b0\u1edbi nh\u1eb9 \u0111\u1ec3 duy tr\u00ec \u0111\u1ed9 \u1ea9m ph\u00f9 h\u1ee3p.<\/span><\/li>\n<\/ul>\n<p><span style=\"color: #000000;\">C\u1eaft T\u1ec9a C\u00e0nh V\u00e0 T\u1ea1o T\u00e1n<\/span><\/p>\n<ul data-spread=\"false\">\n<li><span style=\"color: #000000;\">Lo\u1ea1i b\u1ecf c\u00e0nh gi\u00e0, c\u00e0nh s\u00e2u b\u1ec7nh \u0111\u1ec3 c\u00e2y t\u1eadp trung dinh d\u01b0\u1ee1ng nu\u00f4i b\u00f4ng.<\/span><\/li>\n<li><span style=\"color: #000000;\">T\u1ea1o t\u00e1n th\u00f4ng tho\u00e1ng gi\u00fap \u00e1nh s\u00e1ng ph\u00e2n b\u1ed1 \u0111\u1ec1u, t\u0103ng kh\u1ea3 n\u0103ng ra b\u00f4ng.<\/span><\/li>\n<\/ul>\n<p><span style=\"color: #000000;\">Ch\u1ebf \u0110\u1ed9 Ph\u00e2n B\u00f3n<\/span><\/p>\n<ul data-spread=\"false\">\n<li><span style=\"color: #000000;\"><strong>Giai \u0111o\u1ea1n tr\u01b0\u1edbc khi ra hoa<\/strong>: Gi\u1ea3m \u0111\u1ea1m, t\u0103ng kali v\u00e0 l\u00e2n \u0111\u1ec3 k\u00edch th\u00edch ph\u00e2n h\u00f3a m\u1ea7m hoa.<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>Giai \u0111o\u1ea1n c\u00e2y ra hoa<\/strong>: B\u00f3n ph\u00e2n gi\u00e0u canxi, magie v\u00e0 vi l\u01b0\u1ee3ng \u0111\u1ec3 gi\u00fap hoa b\u1ec1n, \u00edt r\u1ee5ng.<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>Giai \u0111o\u1ea1n nu\u00f4i tr\u00e1i<\/strong>: B\u1ed5 sung kali \u0111\u1ec3 tr\u00e1i ph\u00e1t tri\u1ec3n t\u1ed1t, ch\u1ea5t l\u01b0\u1ee3ng cao.<\/span><\/li>\n<\/ul>\n<p><span style=\"color: #000000;\">K\u00edch Th\u00edch Ra Hoa B\u1eb1ng Bi\u1ec7n Ph\u00e1p Sinh H\u1ecdc<\/span><\/p>\n<ul data-spread=\"false\">\n<li><span style=\"color: #000000;\">S\u1eed d\u1ee5ng <strong>ph\u00e2n b\u00f3n l\u00e1 ch\u1ee9a l\u00e2n (P)<\/strong> \u0111\u1ec3 h\u1ed7 tr\u1ee3 ph\u00e2n h\u00f3a m\u1ea7m hoa.<\/span><\/li>\n<li><span style=\"color: #000000;\">D\u00f9ng <strong>ch\u1ebf ph\u1ea9m sinh h\u1ecdc<\/strong> gi\u00fap c\u00e2y gi\u1ea3m stress, t\u0103ng kh\u1ea3 n\u0103ng ra b\u00f4ng.<\/span><\/li>\n<li><span style=\"color: #000000;\">Phun <strong>GA3<\/strong> (<a href=\"https:\/\/vi.wikipedia.org\/wiki\/Acid_gibberellic\" target=\"_blank\" rel=\"noopener\">Gibberellic Acid<\/a>) ho\u1eb7c <strong>KNO3<\/strong> \u0111\u1ec3 k\u00edch th\u00edch c\u00e2y ra hoa \u0111\u1ed3ng lo\u1ea1t.<\/span><\/li>\n<\/ul>\n<figure id=\"attachment_3484\" aria-describedby=\"caption-attachment-3484\" style=\"width: 565px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-3484 size-full\" src=\"https:\/\/vietgiaminh.com.vn\/wp-content\/uploads\/2025\/02\/4-YEU-TO-DE-CAY-SAU-RIENG-RA-HOA-MANH-4.png\" alt=\"\" width=\"565\" height=\"565\" srcset=\"https:\/\/vietgiaminh.com.vn\/wp-content\/uploads\/2025\/02\/4-YEU-TO-DE-CAY-SAU-RIENG-RA-HOA-MANH-4.png 565w, https:\/\/vietgiaminh.com.vn\/wp-content\/uploads\/2025\/02\/4-YEU-TO-DE-CAY-SAU-RIENG-RA-HOA-MANH-4-300x300.png 300w, https:\/\/vietgiaminh.com.vn\/wp-content\/uploads\/2025\/02\/4-YEU-TO-DE-CAY-SAU-RIENG-RA-HOA-MANH-4-150x150.png 150w, https:\/\/vietgiaminh.com.vn\/wp-content\/uploads\/2025\/02\/4-YEU-TO-DE-CAY-SAU-RIENG-RA-HOA-MANH-4-12x12.png 12w, https:\/\/vietgiaminh.com.vn\/wp-content\/uploads\/2025\/02\/4-YEU-TO-DE-CAY-SAU-RIENG-RA-HOA-MANH-4-100x100.png 100w\" sizes=\"(max-width: 565px) 100vw, 565px\" \/><figcaption id=\"caption-attachment-3484\" class=\"wp-caption-text\"><span style=\"color: #999999;\"><em>4 Y\u1ebeU T\u1ed0 \u0110\u1ec2 C\u00c2Y S\u1ea6U RI\u00caNG RA HOA M\u1ea0NH<\/em><\/span><\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"TAO_KHO_HAN\"><\/span><span style=\"color: #000000; font-size: 18pt;\">T\u1ea0O KH\u00d4 H\u1ea0N<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"color: #000000;\"><mark class=\"result__para__0 suggestion_paragraphs\" data-para=\"result__para__0\">Kh\u00f4 h\u1ea1n\u00a0\u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c\u00a0gi\u00fap nh\u1ef1a\u00a0c\u00e2y\u00a0\u0111\u1ea1t\u00a0\u0111\u01b0\u1ee3c t\u1ef7 l\u1ec7\u00a0C\/N c\u1ea7n thi\u1ebft.<\/mark>\u00a0<mark class=\"result__para__2 suggestion_paragraphs\" data-para=\"result__para__2\">Nh\u01b0 b\u00e0 con mi\u1ec1n\u00a0T\u00e2y\u00a0th\u01b0\u1eddng\u00a0th\u1ef1c\u00a0hi\u1ec7n,\u00a0h\u1ecd\u00a0c\u00f3 nh\u1eefng bi\u1ec7n ph\u00e1p \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 cho\u00a0c\u00e2y ra hoa\u00a0v\u00e0o\u00a0m\u00f9a m\u01b0a,\u00a0ch\u1eb3ng\u00a0h\u1ea1n\u00a0nh\u01b0\u00a0d\u00f9ng\u00a0b\u1ea1t che g\u1ed1c\u00a0\u0111\u1ec3\u00a0t\u1ea1o\u00a0ra t\u00ecnh tr\u1ea1ng\u00a0kh\u00f4 h\u1ea1n.<\/mark>\u00a0<mark class=\"result__para__4 suggestion_paragraphs\" data-para=\"result__para__4\">\u0110\u1eb7c\u00a0\u0111i\u1ec3m\u00a0\u0111\u1ea5t\u00a0\u1edf\u00a0mi\u1ec1n\u00a0T\u00e2y\u00a0l\u00e0 \u0111\u1ea5t s\u00e9t\u00a0v\u1edbi\u00a0h\u1ea1t m\u1ecbn,\u00a0n\u00ean\u00a0kh\u1ea3\u00a0n\u0103ng\u00a0th\u1ea9m th\u1ea5u\u00a0n\u01b0\u1edbc\u00a0th\u1ea5p;\u00a0v\u00ec\u00a0v\u1eady,\u00a0vi\u1ec7c\u00a0che\u00a0b\u1ea1t\u00a0r\u1ea5t\u00a0hi\u1ec7u\u00a0qu\u1ea3.<\/mark>\u00a0<mark class=\"result__para__6 suggestion_paragraphs\" data-para=\"result__para__6\"><\/mark>Ng\u01b0\u1ee3c\u00a0l\u1ea1i,\u00a0\u1edf\u00a0nh\u1eefng v\u00f9ng\u00a0\u0111\u1ea5t\u00a0c\u00f3\u00a0kh\u1ea3 n\u0103ng\u00a0th\u1ea9m th\u1ea5u cao,\u00a0ph\u01b0\u01a1ng\u00a0ph\u00e1p\u00a0n\u00e0y\u00a0s\u1ebd k\u00e9m hi\u1ec7u\u00a0qu\u1ea3\u00a0h\u01a1n.<\/span><\/p>\n<p><span style=\"color: #000000;\"><mark class=\"result__para__11 suggestion_paragraphs\" data-para=\"result__para__11\">Trong\u00a0giai\u00a0\u0111o\u1ea1n c\u00e2y s\u1ea7u ri\u00eang ra hoa,\u00a0c\u1ea7n t\u01b0\u1edbi n\u01b0\u1edbc c\u00e1ch ng\u00e0y \u0111\u1ec3 hoa ph\u00e1t tri\u1ec3n\u00a0m\u1ea1nh\u00a0m\u1ebd\u00a0v\u00e0\u00a0h\u1ea1t\u00a0ph\u1ea5n\u00a0kh\u1ecfe.<\/mark>\u00a0<mark class=\"result__para__13 suggestion_paragraphs\" data-para=\"result__para__13\"><\/mark>Tuy\u00a0nhi\u00ean,\u00a0m\u1ed9t\u00a0tu\u1ea7n tr\u01b0\u1edbc khi hoa n\u1edf,\u00a0c\u1ea7n\u00a0gi\u1ea3m l\u01b0\u1ee3ng n\u01b0\u1edbc t\u01b0\u1edbi\u00a0xu\u1ed1ng\u00a0c\u00f2n\u00a01\/3 so v\u1edbi tr\u01b0\u1edbc \u0111\u00f3 (nh\u01b0ng\u00a0tuy\u1ec7t \u0111\u1ed1i\u00a0kh\u00f4ng \u0111\u1ec3 c\u00e2y\u00a0hay\u00a0hoa\u00a0h\u00e9o).\u00a0<mark class=\"result__para__15 suggestion_paragraphs\" data-para=\"result__para__15\">N\u1ebfu t\u01b0\u1edbi qu\u00e1 nhi\u1ec1u n\u01b0\u1edbc, h\u1ea1t ph\u1ea5n s\u1ebd ch\u1ebft, \u0111i\u1ec1u n\u00e0y s\u1ebd \u1ea3nh h\u01b0\u1edfng l\u1edbn \u0111\u1ebfn qu\u00e1 tr\u00ecnh th\u1ee5 ph\u1ea5n v\u00e0 vi\u1ec7c \u0111\u1eadu tr\u00e1i c\u1ee7a s\u1ea7u ri\u00eang.<\/mark><\/span><\/p>\n<p><span style=\"color: #000000;\"><mark class=\"result__para__19 suggestion_paragraphs\" data-para=\"result__para__19\">Khi tr\u00e1i \u0111\u00e3 \u0111\u1eadu, c\u1ea7n t\u0103ng d\u1ea7n l\u01b0\u1ee3ng n\u01b0\u1edbc t\u01b0\u1edbi tr\u1edf l\u1ea1i m\u1ee9c b\u00ecnh th\u01b0\u1eddng nh\u1eb1m gi\u00fap tr\u00e1i ph\u00e1t tri\u1ec3n t\u1ed1t h\u01a1n.<\/mark><\/span><\/p>\n<p><span style=\"color: #000000;\"><mark class=\"result__para__23 suggestion_paragraphs\" data-para=\"result__para__23\">\u0110\u1ec3\u00a0t\u1ea1o\u00a0ra t\u00ecnh tr\u1ea1ng\u00a0kh\u00f4 h\u1ea1n,\u00a0sau\u00a0khi b\u00f3n ph\u00e2n l\u1ea7n\u00a0hai\u00a0t\u1eeb\u00a030\u00a0\u0111\u1ebfn\u00a040 ng\u00e0y,\u00a0c\u1ea7n\u00a0t\u01b0\u1edbi n\u01b0\u1edbc.<\/mark>\u00a0<mark class=\"result__para__25 suggestion_paragraphs\" data-para=\"result__para__25\">Khi\u00a0c\u00e2y \u0111\u00e3 ra \u00edt nh\u1ea5t\u00a0hai\u00a0l\u1ea7n \u0111\u1ecdt v\u00e0 l\u1ea7n \u0111\u1ecdt cu\u1ed1i c\u00f9ng \u0111\u00e3\u00a0v\u00e0o\u00a0giai \u0111o\u1ea1n thu\u1ea7n th\u1ee5c,\u00a0h\u00e3y\u00a0qu\u00e9t\u00a0d\u1ecdn t\u1ea5t c\u1ea3 v\u1eadt li\u1ec7u t\u1ee7 g\u1ed1c,\u00a0bao\u00a0g\u1ed3m\u00a0c\u1ea3 l\u00e1 r\u1ee5ng\u00a0v\u00e0\u00a0l\u00e1 m\u1ee5c.<\/mark>\u00a0<mark class=\"result__para__27 suggestion_paragraphs active\" data-para=\"result__para__27\">Kh\u00f4ng t\u01b0\u1edbi n\u01b0\u1edbc\u00a0v\u00e0\u00a0th\u00e1o c\u1ea1n n\u01b0\u1edbc trong v\u01b0\u1eddn (\u0111\u1eb7c bi\u1ec7t\u00a0\u00e1p d\u1ee5ng cho\u00a0nh\u1eefng\u00a0v\u00f9ng c\u00f3\u00a0l\u00e0m\u00a0m\u01b0\u01a1ng l\u00ean li\u1ebfp)\u00a0s\u1ebd\u00a0gi\u00fap \u0111\u1ea5t \u1edf v\u00f9ng r\u1ec5 c\u00e2y\u00a0nhanh ch\u00f3ng\u00a0kh\u00f4\u00a0r\u00e1o.<\/mark><\/span><\/p>\n<figure id=\"attachment_3485\" aria-describedby=\"caption-attachment-3485\" style=\"width: 565px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-3485 size-full\" src=\"https:\/\/vietgiaminh.com.vn\/wp-content\/uploads\/2025\/02\/4-YEU-TO-DE-CAY-SAU-RIENG-RA-HOA-MANH-3.png\" alt=\"\" width=\"565\" height=\"565\" srcset=\"https:\/\/vietgiaminh.com.vn\/wp-content\/uploads\/2025\/02\/4-YEU-TO-DE-CAY-SAU-RIENG-RA-HOA-MANH-3.png 565w, https:\/\/vietgiaminh.com.vn\/wp-content\/uploads\/2025\/02\/4-YEU-TO-DE-CAY-SAU-RIENG-RA-HOA-MANH-3-300x300.png 300w, https:\/\/vietgiaminh.com.vn\/wp-content\/uploads\/2025\/02\/4-YEU-TO-DE-CAY-SAU-RIENG-RA-HOA-MANH-3-150x150.png 150w, https:\/\/vietgiaminh.com.vn\/wp-content\/uploads\/2025\/02\/4-YEU-TO-DE-CAY-SAU-RIENG-RA-HOA-MANH-3-12x12.png 12w, https:\/\/vietgiaminh.com.vn\/wp-content\/uploads\/2025\/02\/4-YEU-TO-DE-CAY-SAU-RIENG-RA-HOA-MANH-3-100x100.png 100w\" sizes=\"(max-width: 565px) 100vw, 565px\" \/><figcaption id=\"caption-attachment-3485\" class=\"wp-caption-text\"><em>4 Y\u1ebeU T\u1ed0 \u0110\u1ec2 C\u00c2Y S\u1ea6U RI\u00caNG RA HOA M\u1ea0NH<\/em><\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"DINH_DUONG\"><\/span><span style=\"color: #000000;\"><span style=\"font-size: 18pt;\"><strong>DINH D\u01af\u1ee0NG<\/strong><\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"color: #000000;\"><mark class=\"result__para__0 suggestion_paragraphs\" data-para=\"result__para__0\">Trong\u00a0giai\u00a0\u0111o\u1ea1n c\u00e2y\u00a0chu\u1ea9n b\u1ecb ra b\u00f4ng,\u00a0vi\u1ec7c\u00a0h\u1ea5p th\u1ee5 \u0111\u1ea7y \u0111\u1ee7 c\u00e1c d\u01b0\u1ee1ng ch\u1ea5t\u00a0l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/mark>\u00a0<mark class=\"result__para__2 suggestion_paragraphs\" data-para=\"result__para__2\">C\u1ee5 th\u1ec3, c\u00e2y c\u1ea7n c\u00e1c nguy\u00ean t\u1ed1\u00a0<\/mark>ch\u00ednh nh\u01b0 L\u00e2n v\u00e0 Kali, ti\u1ebfp theo l\u00e0 \u0110\u1ea1m c\u00f9ng v\u1edbi c\u00e1c vi l\u01b0\u1ee3ng nh\u01b0 Canxi, Magie, K\u1ebdm, Bo, v\u00e0 nhi\u1ec1u nguy\u00ean t\u1ed1 kh\u00e1c. <mark class=\"result__para__4 suggestion_paragraphs\" data-para=\"result__para__4\"><\/mark>Nh\u1eefng d\u01b0\u1ee1ng ch\u1ea5t n\u00e0y kh\u00f4ng ch\u1ec9 gi\u00fap c\u00e2y ra b\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u v\u00e0 kh\u1ecfe m\u1ea1nh, m\u00e0 c\u00f2n gi\u1ea3m thi\u1ec3u t\u00ecnh tr\u1ea1ng r\u1ee5ng hoa.<\/span><\/p>\n<p><span style=\"color: #000000;\"><mark class=\"result__para__8 suggestion_paragraphs active\" data-para=\"result__para__8\">\u0110\u1ec3\u00a0\u0111\u00e1p\u00a0\u1ee9ng\u00a0\u0111\u1ea7y \u0111\u1ee7 nhu c\u1ea7u d\u01b0\u1ee1ng ch\u1ea5t cho c\u00e2y, n\u00ean s\u1eed\u00a0d\u1ee5ng c\u00e1c lo\u1ea1i ph\u00e2n b\u00f3n l\u00e1 v\u00e0 ph\u00e2n b\u00f3n chuy\u00ean d\u1ee5ng.<\/mark>\u00a0<mark class=\"result__para__10 suggestion_paragraphs\" data-para=\"result__para__10\"><\/mark>\u0110\u1eb7c bi\u1ec7t, ch\u00fa tr\u1ecdng \u0111\u1ebfn c\u00e1c lo\u1ea1i ph\u00e2n h\u1eefu c\u01a1 c\u00f3 ch\u1ee9a amino acid v\u00e0 vi l\u01b0\u1ee3ng, gi\u00fap c\u00e2y ph\u00e1t tri\u1ec3n t\u1ed1t trong giai \u0111o\u1ea1n ra b\u00f4ng.<\/span><\/p>\n<p><span style=\"color: #000000;\"><mark class=\"result__para__19 suggestion_paragraphs\" data-para=\"result__para__19\">\u0110\u1ed1i\u00a0v\u1edbi vi\u1ec7c t\u1ea1o\u00a0m\u1ea7m qua l\u00e1,\u00a0b\u1ea1n\u00a0c\u00f3\u00a0th\u1ec3 s\u1eed d\u1ee5ng\u00a0c\u00e1c\u00a0s\u1ea3n\u00a0ph\u1ea9m\u00a0l\u00e2n v\u00e0 Kali\u00a0v\u1edbi t\u1ef7 l\u1ec7\u00a0cao, nh\u01b0 6-30-30, MKP<\/mark>.<\/span><\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-3486\" src=\"https:\/\/vietgiaminh.com.vn\/wp-content\/uploads\/2025\/02\/4-YEU-TO-DE-CAY-SAU-RIENG-RA-HOA-MANH-2.png\" alt=\"\" width=\"458\" height=\"458\" srcset=\"https:\/\/vietgiaminh.com.vn\/wp-content\/uploads\/2025\/02\/4-YEU-TO-DE-CAY-SAU-RIENG-RA-HOA-MANH-2.png 458w, https:\/\/vietgiaminh.com.vn\/wp-content\/uploads\/2025\/02\/4-YEU-TO-DE-CAY-SAU-RIENG-RA-HOA-MANH-2-300x300.png 300w, https:\/\/vietgiaminh.com.vn\/wp-content\/uploads\/2025\/02\/4-YEU-TO-DE-CAY-SAU-RIENG-RA-HOA-MANH-2-150x150.png 150w, https:\/\/vietgiaminh.com.vn\/wp-content\/uploads\/2025\/02\/4-YEU-TO-DE-CAY-SAU-RIENG-RA-HOA-MANH-2-12x12.png 12w, https:\/\/vietgiaminh.com.vn\/wp-content\/uploads\/2025\/02\/4-YEU-TO-DE-CAY-SAU-RIENG-RA-HOA-MANH-2-100x100.png 100w\" sizes=\"(max-width: 458px) 100vw, 458px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"CHAM_SOC_GIAI_DOAN_RA_HOA_DAU_TRAI\"><\/span><span style=\"font-size: 18pt;\"><strong><span style=\"color: #000000;\">CH\u0102M S\u00d3C GIAI \u0110O\u1ea0N RA HOA, \u0110\u1eacU TR\u00c1I<\/span><\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"color: #000000;\">Khi hoa s\u00e1ng \u0111\u1ec1u c\u00f3 \u0111\u1ed9 d\u00e0i 1-2 cm th\u00ec b\u1eaft \u0111\u1ea7u ti\u1ebfn h\u00e0nh t\u01b0\u1edbi theo. C\u1ea7n l\u1ea5y th\u00eam 1 c\u01a1i \u0111\u1ecdt trong giai \u0111o\u1ea1n n\u00e0y, c\u01a1i \u0111\u1ecdt n\u00e0y quan tr\u1ecdng nh\u1ea5t, v\u00ec n\u00f3 s\u1ebd quang h\u1ee3p chuy\u1ec3n \u0111\u1ed5i ch\u1ea5t kho\u00e1ng th\u00e0nh \u0111\u01b0\u1eddng nu\u00f4i trong su\u1ed1t qu\u00e1 tr\u00ecnh mang tr\u00e1i, c\u01a1i n\u00e0y ph\u1ea3i sung, l\u00e1 ph\u1ea3i d\u00e0y.<\/span><\/p>\n<p><span style=\"color: #000000;\">B\u00ean c\u1ea1nh \u0111\u00f3 b\u00e0 con c\u1ea7n ph\u00f2ng Tr\u1eeb S\u00e2u B\u1ec7nh \u1ea2nh H\u01b0\u1edfng \u0110\u1ebfn Qu\u00e1 Tr\u00ecnh S\u1ea7u Ri\u00eang Ra Hoa<\/span><\/p>\n<ul>\n<li><span style=\"color: #000000;\">N\u1ea5m h\u1ed3ng, th\u00e1n th\u01b0, x\u00ec m\u1ee7 c\u00f3 th\u1ec3 l\u00e0m r\u1ee5ng hoa, gi\u1ea3m \u0111\u1eadu tr\u00e1i.<\/span><\/li>\n<li><span style=\"color: #000000;\">Ki\u1ec3m so\u00e1t s\u00e2u b\u1ec7nh b\u1eb1ng c\u00e1ch phun thu\u1ed1c sinh h\u1ecdc v\u00e0 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n v\u01b0\u1eddn th\u00f4ng tho\u00e1ng.<\/span><\/li>\n<li><span style=\"color: #000000;\">S\u1eed d\u1ee5ng bi\u1ec7n ph\u00e1p qu\u1ea3n l\u00fd t\u1ed5ng h\u1ee3p IPM \u0111\u1ec3 h\u1ea1n ch\u1ebf t\u1ed1i \u0111a t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c.<\/span><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3487\" src=\"https:\/\/vietgiaminh.com.vn\/wp-content\/uploads\/2025\/02\/4-YEU-TO-DE-CAY-SAU-RIENG-RA-HOA-MANH-1.png\" alt=\"\" width=\"483\" height=\"483\" srcset=\"https:\/\/vietgiaminh.com.vn\/wp-content\/uploads\/2025\/02\/4-YEU-TO-DE-CAY-SAU-RIENG-RA-HOA-MANH-1.png 483w, https:\/\/vietgiaminh.com.vn\/wp-content\/uploads\/2025\/02\/4-YEU-TO-DE-CAY-SAU-RIENG-RA-HOA-MANH-1-300x300.png 300w, https:\/\/vietgiaminh.com.vn\/wp-content\/uploads\/2025\/02\/4-YEU-TO-DE-CAY-SAU-RIENG-RA-HOA-MANH-1-150x150.png 150w, https:\/\/vietgiaminh.com.vn\/wp-content\/uploads\/2025\/02\/4-YEU-TO-DE-CAY-SAU-RIENG-RA-HOA-MANH-1-12x12.png 12w, https:\/\/vietgiaminh.com.vn\/wp-content\/uploads\/2025\/02\/4-YEU-TO-DE-CAY-SAU-RIENG-RA-HOA-MANH-1-100x100.png 100w\" sizes=\"(max-width: 483px) 100vw, 483px\" \/><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"KET_LUAN\"><\/span><span style=\"font-size: 18pt; color: #000000;\"><strong>K\u1ebeT LU\u1eacN<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-pm-slice=\"1 1 []\"><span style=\"color: #000000;\">\u0110\u1ec3 c\u00e2y s\u1ea7u ri\u00eang ra hoa m\u1ea1nh, nh\u00e0 v\u01b0\u1eddn c\u1ea7n ch\u00fa tr\u1ecdng \u0111\u1ebfn \u0111i\u1ec1u ki\u1ec7n kh\u00ed h\u1eadu, ch\u1ebf \u0111\u1ed9 t\u01b0\u1edbi n\u01b0\u1edbc, ph\u00e2n b\u00f3n, c\u1eaft t\u1ec9a v\u00e0 bi\u1ec7n ph\u00e1p sinh h\u1ecdc. N\u1ebfu \u00e1p d\u1ee5ng \u0111\u00fang k\u1ef9 thu\u1eadt, c\u00e2y s\u1ebd ra hoa \u0111\u1ed3ng lo\u1ea1t, \u0111\u1eadu tr\u00e1i t\u1ed1t, gi\u00fap t\u0103ng n\u0103ng su\u1ea5t v\u00e0 l\u1ee3i nhu\u1eadn.<\/span><\/p>\n<p><span style=\"color: #000000;\">Hy v\u1ecdng b\u00e0i vi\u1ebft n\u00e0y gi\u00fap \u00edch cho b\u1ea1n trong vi\u1ec7c canh t\u00e1c s\u1ea7u ri\u00eang hi\u1ec7u qu\u1ea3!<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>S\u1ea7u ri\u00eang l\u00e0 lo\u1ea1i c\u00e2y \u0103n tr\u00e1i mang l\u1ea1i gi\u00e1 tr\u1ecb kinh t\u1ebf cao. Tuy nhi\u00ean, \u0111\u1ec3 c\u00e2y s\u1ea7u ri\u00eang ra hoa m\u1ea1nh, \u0111\u1eadu tr\u00e1i t\u1ed1t, nh\u00e0 v\u01b0\u1eddn c\u1ea7n ch\u00fa tr\u1ecdng \u0111\u1ebfn nhi\u1ec1u y\u1ebfu t\u1ed1 quan tr\u1ecdng. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 c\u00e1c y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh s\u1ef1 ra b\u00f4ng c\u1ee7a s\u1ea7u [&hellip;]<\/p>","protected":false},"author":2,"featured_media":3483,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[30,1],"tags":[149,148,147,101],"class_list":["post-3416","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-quy-trinh-ky-thuat","category-tin-tuc","tag-npk","tag-phan-bon-huu-co","tag-ra-hoa","tag-sau-rieng"],"_links":{"self":[{"href":"https:\/\/vietgiaminh.com.vn\/en\/wp-json\/wp\/v2\/posts\/3416","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vietgiaminh.com.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vietgiaminh.com.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vietgiaminh.com.vn\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/vietgiaminh.com.vn\/en\/wp-json\/wp\/v2\/comments?post=3416"}],"version-history":[{"count":3,"href":"https:\/\/vietgiaminh.com.vn\/en\/wp-json\/wp\/v2\/posts\/3416\/revisions"}],"predecessor-version":[{"id":3488,"href":"https:\/\/vietgiaminh.com.vn\/en\/wp-json\/wp\/v2\/posts\/3416\/revisions\/3488"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vietgiaminh.com.vn\/en\/wp-json\/wp\/v2\/media\/3483"}],"wp:attachment":[{"href":"https:\/\/vietgiaminh.com.vn\/en\/wp-json\/wp\/v2\/media?parent=3416"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vietgiaminh.com.vn\/en\/wp-json\/wp\/v2\/categories?post=3416"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vietgiaminh.com.vn\/en\/wp-json\/wp\/v2\/tags?post=3416"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}