{"id":447,"date":"2017-02-28T14:06:21","date_gmt":"2017-02-28T07:06:21","guid":{"rendered":"http:\/\/demo.prc.maiatech.com.vn\/?p=447"},"modified":"2017-02-28T14:06:21","modified_gmt":"2017-02-28T07:06:21","slug":"huong-dan-ky-thuat-trong-giong-khoai-mon-km-1","status":"publish","type":"post","link":"https:\/\/prc.org.vn\/?p=447","title":{"rendered":"H\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt tr\u1ed3ng gi\u1ed1ng khoai m\u00f4n KM-1"},"content":{"rendered":"<table cellspacing=\"3\" cellpadding=\"3\">\n<tbody>\n<tr>\n<td class=\"news_detail_detail\" colspan=\"2\" align=\"left\"><span style=\"font-family: 'Times New Roman'; font-size: medium;\"><strong>1. Ti\u00eau chu\u1ea9n hom gi\u1ed1ng<br \/>\n<\/strong>Hom gi\u1ed1ng \u0111\u01b0\u1ee3c ch\u1ecdn t\u1eeb nh\u1eefng c\u00e2y khoai t\u1ed1t, kh\u00f4ng b\u1ecb s\u00e2u b\u1ec7nh. G\u1ed1c hom \u0111\u01b0\u1ee3c c\u1eaft t\u1eeb n\u00e1ch l\u00e1 (s\u1eb9o l\u00e1) th\u1ee9 3 t\u1eeb tr\u00ean c\u1ee7 xu\u1ed1ng, ph\u00eda tr\u00ean c\u1eaft b\u1ecf d\u1ecdc l\u00e1, \u0111\u1ec3 l\u1ea1i ph\u1ea7n d\u1ecdc d\u00e0i \u00a025 \u2013 30 cm.<br \/>\n<strong>2. Th\u1eddi v\u1ee5<br \/>\n<\/strong>\u00a0KM-1 c\u00f3 th\u1ec3 tr\u1ed3ng quanh n\u0103m, nh\u01b0ng v\u1ee5 xu\u00e2n l\u00e0 th\u00edch h\u1ee3p nh\u1ea5t; tr\u1ed3ng v\u00e0o th\u00e1ng 2 \u2013 3, thu v\u00e0o th\u00e1ng 11-12 d\u01b0\u01a1ng l\u1ecbch.<br \/>\n<strong>3. L\u00e0m \u0111\u1ea5t v\u00e0 m\u1eadt \u0111\u1ed9 tr\u1ed3ng<br \/>\n<\/strong>KM-1 c\u00f3 th\u1ec3 tr\u1ed3ng tr\u00ean nhi\u1ec1u lo\u1ea1i \u0111\u1ea5t, t\u1eeb \u0111\u1ea5t v\u00e0n \u0111\u1ebfn \u0111\u1ea5t tr\u0169ng, nh\u01b0ng c\u1ea7n ch\u1ee7 \u0111\u1ed9ng t\u01b0\u1edbi ti\u00eau. Tu\u1ef3 thu\u1ed9c t\u00ecnh h\u00ecnh \u0111\u1ea5t \u0111ai, c\u00f3 hai c\u00e1ch tr\u1ed3ng:<br \/>\n&#8211;\u00a0 Tr\u1ed3ng tr\u00ean \u0111\u1ea5t c\u1ea1n: L\u00e0m \u0111\u1ea5t v\u00e0 tr\u1ed3ng nh\u01b0 \u0111\u1ed1i v\u1edbi c\u00e1c c\u00e2y tr\u1ed3ng c\u1ea1n, t\u01b0\u1edbi n\u01b0\u1edbc \u0111\u1ee7 \u1ea9m sau tr\u1ed3ng.<br \/>\n&#8211;\u00a0\u00a0 Tr\u1ed3ng \u1edf ru\u1ed9ng ng\u1eadp n\u01b0\u1edbc: C\u00e0y s\u00e2u 12 \u2013 15 cm, b\u1eeba, san ph\u1eb3ng ru\u1ed9ng v\u00e0 l\u00e0m s\u1ea1ch c\u1ecf d\u1ea1i. L\u00ean lu\u1ed1ng r\u1ed9ng 1- 1,2 m, cao 5 \u2013 10 cm. \u0110\u1ea5t l\u01b0u b\u00f9n c\u1ea7n \u0111\u00e1nh lu\u1ed1ng cao \u0111\u1ec3 khoai kh\u00f4ng b\u1ecb ng\u1eadp \u00fang l\u00e2u.<em><strong>\u00a0<\/strong><\/em>M\u1ed7i lu\u1ed1ng tr\u1ed3ng 2 h\u00e0ng, h\u00e0ng c\u00e1ch h\u00e0ng 35 \u2013 45 cm, c\u00e2y c\u00e1ch c\u00e2y 25 \u2013 35 cm (\u0111\u1ea5t t\u1ed1t tr\u1ed3ng th\u01b0a h\u01a1n, 6 c\u00e2y\/ m<\/span><span style=\"font-family: 'Times New Roman'; font-size: medium;\"><sup>2; <\/sup>\u0111\u1ea5t x\u1ea5u tr\u1ed3ng d\u1ea7y h\u01a1n, 7 kh\u00f3m\/m2). Khi c\u00e2y b\u00e9n r\u1ec5 r\u00fat h\u1ebft n\u01b0\u1edbc, ch\u1ec9 \u0111\u1ec3 ru\u1ed9ng \u0111\u1ee7 \u1ea9m.<br \/>\n<strong>4. B\u00f3n ph\u00e2n<br \/>\n<\/strong>KM-1 l\u00e0 c\u00e2y ch\u1ecbu n\u1ec1n ph\u00e2n b\u00f3n cao. Kinh nghi\u1ec7m c\u1ee7a n\u00f4ng d\u00e2n s\u1eed d\u1ee5ng nhi\u1ec1u ph\u00e2n h\u1eef\u01b0 c\u01a1 (ph\u00e2n chu\u1ed3ng) \u0111\u1ec3 b\u00f3n l\u00f3t khi tr\u1ed3ng. Tr\u01b0\u1edbc t\u00ecnh h\u00ecnh thi\u1ebfu ph\u00e2n chu\u1ed3ng nh\u01b0 hi\u1ec7n nay, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng r\u01a1m r\u1ea1 \u0111\u1ec3 thay th\u1ebf.<br \/>\n<em>L\u01b0\u1ee3ng ph\u00e2n b\u00f3n cho m\u1ed9t s\u00e0o B\u1eafc B\u1ed9:<br \/>\n<\/em>&#8211;\u00a0\u00a0 Ph\u00e2n chu\u1ed3ng hoai m\u1ee5c: 5 t\u1ea1 (14 t\u1ea5n\/ha)<br \/>\n&#8211;\u00a0\u00a0 R\u01a1m r\u1ea1 kh\u00f4: 10 t\u1ea1 (28 t\u1ea5n\/ha); c\u00f3 th\u1ec3 d\u00f9ng 3 kg r\u01a1m r\u1ea1 kh\u00f4 ho\u1eb7c 2,5 kg tr\u1ea5u thay cho 1 kg ph\u00e2n chu\u1ed3ng<br \/>\n&#8211;\u00a0\u00a0 NPK t\u1ed5ng h\u1ee3p (5:10:3): 40kg (70N, 140P2O5, 45K2O cho 1 ha)<br \/>\n&#8211;\u00a0\u00a0 \u0110\u1ea1m ur\u00ea: 7kg (90N cho 1 ha)<br \/>\n&#8211;\u00a0\u00a0 V\u00f4i b\u1ed9t: 15 \u2013 20 kg (420 \u2013 550 kg\/ha)<br \/>\n<em>C\u00e1ch b\u00f3n<\/em>:<br \/>\n&#8211;\u00a0\u00a0 B\u00f3n l\u00f3t to\u00e0n b\u1ed9 ph\u00e2n chu\u1ed3ng, 20kg NPK, 2 kg Ur\u00ea; sau khi tr\u1ed3ng ph\u1ee7 l\u00ean m\u1eb7t lu\u1ed1ng 5 t\u1ea1 r\u01a1m r\u1ea1<br \/>\n&#8211;\u00a0 B\u00f3n th\u00fac \u0111\u1ee3t I (sau tr\u1ed3ng 20-25 ng\u00e0y): 2,5 kg ur\u00ea<br \/>\n&#8211;\u00a0 B\u00f3n th\u00fac \u0111\u1ee3t II (50 \u2013 60 ng\u00e0y sau tr\u1ed3ng): 2,5 kg ur\u00ea<br \/>\n&#8211;\u00a0 B\u00f3n th\u00fac \u0111\u1ee3t II (100 \u2013 120 ng\u00e0y sau tr\u1ed3ng): 20 kg NPK v\u00e0 ph\u1ee7 l\u00ean m\u1eb7t lu\u1ed1ng 5 t\u1ea1 r\u01a1m r\u1ea1.<br \/>\n<strong>5. Ph\u00f2ng tr\u1eeb \u00a0s\u00e2u b\u1ec7nh<br \/>\n<\/strong>&#8211;\u00a0 <em>C\u00e1c lo\u1ea1i s\u00e2u b\u1ec7nh ch\u00ednh h\u1ea1i khoai m\u00f4n n\u01b0\u1edbc:<\/em> s\u00e2u khoang, nh\u1ec7n \u0111\u1ecf, b\u1ec7nh ch\u00e1y l\u00e1<br \/>\n&#8211;\u00a0 <em>Bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u1eeb:<\/em> S\u1eed d\u1ee5ng hom gi\u1ed1ng kho\u1ebb, s\u1ea1ch b\u1ec7nh; b\u00f3n ph\u00e2n v\u00e0 t\u01b0\u1edbi n\u01b0\u1edbc h\u1ee3p l\u00fd. Theo d\u00f5i ph\u00f2ng tr\u1eeb k\u1ecbp th\u1eddi b\u1eb1ng c\u00e1c lo\u1ea1i thu\u1ed1c th\u00edch h\u1ee3p.<br \/>\n<strong>7. Thu ho\u1ea1ch: <\/strong>Gi\u1eef kh\u00f4 ru\u1ed9ng 20 ng\u00e0y tr\u01b0\u1edbc khi thu ho\u1ea1ch.<br \/>\n<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"news_detail_source\" colspan=\"2\" align=\"right\">TS. L\u01b0u Ng\u1ecdc Tr\u00ecnh<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>1. Ti\u00eau chu\u1ea9n hom gi\u1ed1ng Hom gi\u1ed1ng \u0111\u01b0\u1ee3c ch\u1ecdn t\u1eeb nh\u1eefng c\u00e2y khoai t\u1ed1t, kh\u00f4ng b\u1ecb s\u00e2u b\u1ec7nh. G\u1ed1c hom<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[35],"tags":[],"_links":{"self":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/447"}],"collection":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=447"}],"version-history":[{"count":1,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/447\/revisions"}],"predecessor-version":[{"id":448,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/447\/revisions\/448"}],"wp:attachment":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=447"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=447"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=447"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}