{"id":4240,"date":"2023-05-12T15:11:16","date_gmt":"2023-05-12T08:11:16","guid":{"rendered":"http:\/\/khcn185.vnua.edu.vn\/?p=4240"},"modified":"2023-05-12T15:11:16","modified_gmt":"2023-05-12T08:11:16","slug":"nghien-cuu-su-dung-tro-bay-de-san-xuat-gia-the-huu-co-trong-hoa-cay-canh","status":"publish","type":"post","link":"http:\/\/khcn185.vnua.edu.vn\/?p=4240","title":{"rendered":"Nghi\u00ean c\u1ee9u s\u1eed d\u1ee5ng tro bay \u0111\u1ec3 s\u1ea3n xu\u1ea5t gi\u00e1 th\u1ec3..."},"content":{"rendered":"\n\n<p style=\"text-align: justify;\">H\u00e0ng n\u0103m tr\u00ean th\u1ebf gi\u1edbi ph\u00e1t th\u1ea3i ra kho\u1ea3ng 750 tri\u1ec7u t\u1ea5n tro bay (Zabihi-Samani, M &amp; cs., 2018). T\u1ea1i Vi\u1ec7t Nam, hi\u1ec7n c\u00f3 25 nh\u00e0 m\u00e1y nhi\u1ec7t \u0111i\u1ec7n \u0111\u1ed1t than \u0111ang ho\u1ea1t \u0111\u1ed9ng, ph\u00e1t th\u1ea3i ra t\u1ed5ng l\u01b0\u1ee3ng tro, x\u1ec9 kho\u1ea3ng 13 tri\u1ec7u t\u1ea5n\/n\u0103m, trong \u0111\u00f3 tro bay chi\u1ebfm t\u1eeb 80% \u0111\u1ebfn 85%. L\u01b0\u1ee3ng ph\u00e1t th\u1ea3i t\u1eadp trung ch\u1ee7 y\u1ebfu \u1edf khu v\u1ef1c mi\u1ec1n B\u1eafc, chi\u1ebfm 65%, mi\u1ec1n Trung chi\u1ebfm 23% v\u00e0 mi\u1ec1n Nam chi\u1ebfm 12% t\u1ed5ng l\u01b0\u1ee3ng th\u1ea3i (B\u00e1o \u0110i\u1ec7n t\u1eed Ch\u00ednh ph\u1ee7, 2020) Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a tro bay ch\u1ee7 y\u1ebfu l\u00e0 h\u1ed7n h\u1ee3p c\u00e1c \u00f4xit v\u00f4 c\u01a1 nh\u01b0 SiO<sub>2<\/sub>, Al<sub>2<\/sub>O<sub>3<\/sub>\u00a0Fe<sub>2<\/sub>O<sub>3<\/sub>, TiO<sub>3<\/sub>, MgO, CaO, K<sub>2<\/sub>O, SO<sub>3<\/sub>,<strong>\u00a0<\/strong>Na<sub>2<\/sub>O, P<sub>2<\/sub>O<sub>5<\/sub>, MnO v\u00e0 c\u00f3 th\u1ec3 ch\u1ee9a m\u1ed9t l\u01b0\u1ee3ng than ch\u01b0a ch\u00e1y (Bhatt, A &amp; cs., 2019). V\u1edbi l\u01b0\u1ee3ng l\u1edbn tro bay \u0111\u01b0\u1ee3c th\u1ea3i ra h\u00e0ng n\u0103m \u0111\u1eb7c bi\u1ec7t lo\u1ea1i ph\u1ebf th\u1ea3i n\u00e0y ch\u1ee9a c\u00e1c th\u00e0nh ph\u1ea7n dinh d\u01b0\u1ee1ng n\u1ebfu \u0111\u01b0\u1ee3c t\u1eadn d\u1ee5ng h\u1ee3p l\u00fd trong l\u0129nh v\u1ef1c n\u00f4ng nghi\u1ec7p theo xu h\u01b0\u1edbng c\u1ee7a n\u1ec1n kinh t\u1ebf trong t\u01b0\u01a1ng lai s\u1ebd l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p h\u1eefu \u00edch, an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3<\/p>\n<p style=\"text-align: justify;\">Tr\u00ean c\u01a1 s\u1edf \u0111\u00f3 \u0111\u1ec1 t\u00e0i c\u1ea5p h\u1ecdc vi\u1ec7n T2022-03-14: \u201c<strong><em>Nghi\u00ean c\u1ee9u s\u1eed d\u1ee5ng tro bay \u0111\u1ec3 s\u1ea3n xu\u1ea5t gi\u00e1 th\u1ec3 h\u1eefu c\u01a1 tr\u1ed3ng hoa, c\u00e2y c\u1ea3nh<\/em><\/strong><strong><em>\u201d\u00a0<\/em><\/strong>nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 \u1ee9ng d\u1ee5ng hi\u1ec7u qu\u1ea3 t\u1ef7 l\u1ec7 tro bay 10-20% k\u1ebft h\u1ee3p v\u1edbi ph\u1ee5 ph\u1ea9m n\u00f4ng nghi\u1ec7p (l\u00f5i ng\u00f4, b\u00e3 m\u00eda, r\u01a1m r\u1ea1) v\u00e0 20% ph\u00e2n tr\u00f9n qu\u1ebf t\u1ea1o gi\u00e1 th\u1ec3 h\u1eefu c\u01a1 tr\u1ed3ng hoa c\u00e2y c\u1ea3nh cho n\u0103ng su\u1ea5t t\u1ed1t.<\/p>\n<p style=\"text-align: justify;\">Nghi\u00ean c\u1ee9u b\u1ed5 sung tro bay v\u00e0o nguy\u00ean li\u1ec7u \u1ee7 (l\u00f5i ng\u00f4 50%, b\u00e3 m\u00eda 10%, r\u01a1m r\u1ea1 20%, ph\u00e2n tr\u00f9n qu\u1ebf 20%) v\u1edbi c\u00e1c t\u1ef7 l\u1ec7 5%, 10%, 15%, 20% v\u00e0 \u1ee7 theo ph\u01b0\u01a1ng ph\u00e1p b\u00e1n h\u1ea3o kh\u00ed. K\u1ebft qu\u1ea3 cho th\u1ea5y gi\u00e1 th\u1ec3 h\u1eefu c\u01a1 t\u1eeb ph\u1ee5 ph\u1ea9m n\u00f4ng nghi\u1ec7p \u0111\u01b0\u1ee3c b\u1ed5 sung tro bay c\u00f3 h\u00e0m l\u01b0\u1ee3ng dinh d\u01b0\u1ee1ng kh\u00e1, h\u1ea1n ch\u1ebf s\u1ef1 c\u00f3 m\u1eb7t c\u1ee7a\u00a0<em>E.coli<\/em>\u00a0v\u00e0\u00a0<em>Salmonella<\/em>, pH \u0111\u1ea1t trung t\u00ednh, h\u00e0m l\u01b0\u1ee3ng kim lo\u1ea1i n\u0103ng kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 QCVN 03-MT:2015\/BTNMT \u0111\u1ea3m b\u1ea3o cho s\u1ef1 sinh tr\u01b0\u1edfng ph\u00e1t tri\u1ec3n c\u1ee7a hoa c\u00e2y c\u1ea3nh.<\/p>\n<p style=\"text-align: justify;\">Th\u00ed nghi\u1ec7m tr\u1ed3ng hoa c\u00fac \u0111\u1ed3ng ti\u1ec1n tr\u00ean gi\u00e1 th\u1ec3 h\u1eefu c\u01a1 c\u00f3 b\u1ed5 sung tro bay cho hi\u1ec7u qu\u1ea3 r\u00f5 r\u1ec7t \u0111\u1ed1i v\u1edbi t\u1ed1c \u0111\u1ed9 sinh tr\u01b0\u1edfng, s\u1ed1 hoa thu ho\u1ea1ch \u1edf c\u00f4ng th\u1ee9c b\u1ed5 sung tro bay 15% \u0111\u1ea1t 1,75 hoa cao h\u01a1n so v\u1edbi \u0111\u1ed1i ch\u1ee9ng kh\u00f4ng b\u1ed5 sung tro bay 40%. T\u1ef7 l\u1ec7 tro bay 10-15% l\u00e0 kho\u1ea3ng th\u00edch h\u1ee3p \u0111\u1ec3 b\u1ed5 sung v\u00e0o \u0111\u1ed1ng \u1ee7 gi\u00e1 th\u1ec3 h\u1eefu c\u01a1 cho t\u00e1c \u0111\u1ed9ng t\u1ed1t \u0111\u1ed1i v\u1edbi c\u00e2y hoa c\u00fac \u0111\u1ed3ng ti\u1ec1n n\u00f3i ri\u00eang v\u00e0 hoa c\u00e2y c\u1ea3nh n\u00f3i chung gi\u00fap cho hoa c\u00e2y c\u1ea3nh sinh tr\u01b0\u1edfng, n\u0103ng su\u1ea5t t\u1ed1t v\u00e0 gi\u1ea3m chi phi trong qu\u00e1 tr\u00ecnh ch\u0103m s\u00f3c.<\/p>\n<table id=\"undefined\" class=\"imgEditor\" border=\"0\">\n<tbody>\n<tr>\n<td><img decoding=\"async\" class=\"imgtelerik\" src=\"https:\/\/file.vnua.edu.vn\/data\/0\/images\/2023\/05\/12\/host\/a1.png?w=680\" alt=\"\" \/><\/td>\n<\/tr>\n<tr class=\"alt_imgEditor\">\n<td>M\u1eabu tro bay c\u1ee7a nh\u00e0 m\u00e1y nhi\u1ec7t \u0111i\u1ec7n Ph\u1ea3 L\u1ea1i\u00a0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table id=\"undefined\" class=\"imgEditor\" border=\"0\">\n<tbody>\n<tr>\n<td><img decoding=\"async\" class=\"imgtelerik\" src=\"https:\/\/file.vnua.edu.vn\/data\/0\/images\/2023\/05\/12\/host\/a2.png?w=680\" alt=\"\" \/><\/td>\n<\/tr>\n<tr class=\"alt_imgEditor\">\n<td>\u00a0\u0110\u1ed9 hoai m\u1ee5c c\u1ee7a \u0111\u1ed1ng \u1ee7 tr\u01b0\u1edbc (b\u00ean tr\u00e1i) v\u00e0 sau khi \u1ee7 (b\u00ean ph\u1ea3i)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table id=\"undefined\" class=\"imgEditor\" border=\"0\">\n<tbody>\n<tr>\n<td><img decoding=\"async\" class=\"imgtelerik\" src=\"https:\/\/file.vnua.edu.vn\/data\/0\/images\/2023\/05\/12\/host\/a3.png?w=680\" alt=\"\" \/><\/td>\n<\/tr>\n<tr class=\"alt_imgEditor\">\n<td>\u00a0Chi\u1ec1u cao hoa \u0111\u1ed3ng ti\u1ec1n sau 4 tu\u1ea7n th\u00ed nghi\u1ec7m<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u00a0<\/p>\n<p style=\"text-align: right;\"><strong>Nguy<\/strong><strong>\u1ec5n T\u00fa \u0110i\u1ec7p, Nguy\u1ec5n Th\u1ecb Minh<\/strong><strong>\u00a0&#8211;\u00a0<\/strong><strong>T\u00e0i nguy\u00ean v\u00e0 M\u00f4i tr\u01b0\u1eddng<\/strong><\/p>\n<p style=\"text-align: right;\"><strong>Ban Khoa h\u1ecdc v\u00e0 C\u00f4ng ngh\u1ec7<\/strong><\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>","protected":false},"excerpt":{"rendered":"<p>H\u00e0ng n\u0103m tr\u00ean th\u1ebf gi\u1edbi ph\u00e1t th\u1ea3i ra kho\u1ea3ng 750 tri\u1ec7u t\u1ea5n tro bay (Zabihi-Samani, M &amp; cs., 2018). T\u1ea1i Vi\u1ec7t Nam, hi\u1ec7n c\u00f3 25 nh\u00e0 m\u00e1y nhi\u1ec7t \u0111i\u1ec7n \u0111\u1ed1t than \u0111ang ho\u1ea1t \u0111\u1ed9ng, ph\u00e1t th\u1ea3i ra t\u1ed5ng l\u01b0\u1ee3ng tro, x\u1ec9 kho\u1ea3ng 13 tri\u1ec7u t\u1ea5n\/n\u0103m, trong \u0111\u00f3 tro bay chi\u1ebfm t\u1eeb 80% \u0111\u1ebfn 85%. L\u01b0\u1ee3ng&#8230;<\/p>\n","protected":false},"author":2,"featured_media":4241,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4240","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Nghi\u00ean c\u1ee9u s\u1eed d\u1ee5ng tro bay \u0111\u1ec3 s\u1ea3n xu\u1ea5t gi\u00e1 th\u1ec3 h\u1eefu c\u01a1 tr\u1ed3ng hoa, c\u00e2y c\u1ea3nh - Ng\u00e0y Khoa h\u1ecdc v\u00e0 C\u00f4ng ngh\u1ec7 Vi\u1ec7t Nam 18\/5<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/khcn185.vnua.edu.vn\/?p=4240\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Nghi\u00ean c\u1ee9u s\u1eed d\u1ee5ng tro bay \u0111\u1ec3 s\u1ea3n xu\u1ea5t gi\u00e1 th\u1ec3 h\u1eefu c\u01a1 tr\u1ed3ng hoa, c\u00e2y c\u1ea3nh - Ng\u00e0y Khoa h\u1ecdc v\u00e0 C\u00f4ng ngh\u1ec7 Vi\u1ec7t Nam 18\/5\" \/>\n<meta property=\"og:description\" content=\"H\u00e0ng n\u0103m tr\u00ean th\u1ebf gi\u1edbi ph\u00e1t th\u1ea3i ra kho\u1ea3ng 750 tri\u1ec7u t\u1ea5n tro bay (Zabihi-Samani, M &amp; cs., 2018). T\u1ea1i Vi\u1ec7t Nam, hi\u1ec7n c\u00f3 25 nh\u00e0 m\u00e1y nhi\u1ec7t \u0111i\u1ec7n \u0111\u1ed1t than \u0111ang ho\u1ea1t \u0111\u1ed9ng, ph\u00e1t th\u1ea3i ra t\u1ed5ng l\u01b0\u1ee3ng tro, x\u1ec9 kho\u1ea3ng 13 tri\u1ec7u t\u1ea5n\/n\u0103m, trong \u0111\u00f3 tro bay chi\u1ebfm t\u1eeb 80% \u0111\u1ebfn 85%. L\u01b0\u1ee3ng...\" \/>\n<meta property=\"og:url\" content=\"http:\/\/khcn185.vnua.edu.vn\/?p=4240\" \/>\n<meta property=\"og:site_name\" content=\"Ng\u00e0y Khoa h\u1ecdc v\u00e0 C\u00f4ng ngh\u1ec7 Vi\u1ec7t Nam 18\/5\" \/>\n<meta property=\"article:published_time\" content=\"2023-05-12T08:11:16+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/khcn185.vnua.edu.vn\/wp-content\/uploads\/2023\/05\/tnmt.png\" \/>\n\t<meta property=\"og:image:width\" content=\"375\" \/>\n\t<meta property=\"og:image:height\" content=\"418\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Ban Khoa h\u1ecdc c\u00f4ng ngh\u1ec7\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"Ban Khoa h\u1ecdc c\u00f4ng ngh\u1ec7\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 ph\u00fat\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"http:\\\/\\\/khcn185.vnua.edu.vn\\\/?p=4240#article\",\"isPartOf\":{\"@id\":\"http:\\\/\\\/khcn185.vnua.edu.vn\\\/?p=4240\"},\"author\":{\"name\":\"Ban Khoa h\u1ecdc c\u00f4ng ngh\u1ec7\",\"@id\":\"http:\\\/\\\/localhost\\\/avs2022\\\/#\\\/schema\\\/person\\\/94969ae1da63d77b967528e29eca8e05\"},\"headline\":\"Nghi\u00ean c\u1ee9u s\u1eed d\u1ee5ng tro bay \u0111\u1ec3 s\u1ea3n xu\u1ea5t gi\u00e1 th\u1ec3...\",\"datePublished\":\"2023-05-12T08:11:16+00:00\",\"mainEntityOfPage\":{\"@id\":\"http:\\\/\\\/khcn185.vnua.edu.vn\\\/?p=4240\"},\"wordCount\":755,\"publisher\":{\"@id\":\"http:\\\/\\\/localhost\\\/avs2022\\\/#organization\"},\"image\":{\"@id\":\"http:\\\/\\\/khcn185.vnua.edu.vn\\\/?p=4240#primaryimage\"},\"thumbnailUrl\":\"http:\\\/\\\/khcn185.vnua.edu.vn\\\/wp-content\\\/uploads\\\/2023\\\/05\\\/tnmt.png\",\"articleSection\":[\"Tin t\u1ee9c\"],\"inLanguage\":\"vi\"},{\"@type\":\"WebPage\",\"@id\":\"http:\\\/\\\/khcn185.vnua.edu.vn\\\/?p=4240\",\"url\":\"http:\\\/\\\/khcn185.vnua.edu.vn\\\/?p=4240\",\"name\":\"Nghi\u00ean c\u1ee9u s\u1eed d\u1ee5ng tro bay \u0111\u1ec3 s\u1ea3n xu\u1ea5t gi\u00e1 th\u1ec3 h\u1eefu c\u01a1 tr\u1ed3ng hoa, c\u00e2y c\u1ea3nh - 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