{"id":460,"date":"2017-02-28T14:15:28","date_gmt":"2017-02-28T07:15:28","guid":{"rendered":"http:\/\/demo.prc.maiatech.com.vn\/?p=460"},"modified":"2017-02-28T14:15:28","modified_gmt":"2017-02-28T07:15:28","slug":"quy-trinh-ky-thuat-gieo-trong-dai-mach","status":"publish","type":"post","link":"https:\/\/prc.org.vn\/?p=460","title":{"rendered":"Quy tr\u00ecnh k\u1ef9 thu\u1eadt gieo tr\u1ed3ng \u0110\u1ea1i m\u1ea1ch"},"content":{"rendered":"<table>\n<tbody>\n<tr>\n<td>\u0110\u1ea1i m\u1ea1ch th\u00edch h\u1ee3p v\u1edbi \u0111\u1ea5t th\u1ecbt nh\u1eb9 v\u00e0 c\u00e1t pha kh\u00f4ng chua, l\u00e0 c\u00e2y tr\u1ed3ng kh\u00f4ng ch\u1ecbu \u0111\u01b0\u1ee3c ng\u1eadp, \u00fang&#8230;<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\"><strong>1. Th\u1eddi v\u1ee5 gieo<\/strong><br \/>\n\u0110\u1ea1i m\u1ea1ch \u0111\u01b0\u1ee3c tr\u1ed3ng tr\u1ef1c ti\u1ebfp b\u1eb1ng h\u1ea1t. \u0110\u1ea1i m\u1ea1ch \u0111\u01b0\u1ee3c gieo trong th\u00e1ng 11 nh\u01b0ng khung th\u1eddi v\u1ee5 t\u1ed1t nh\u1ea5t l\u00e0 gieo t\u1eeb 05\/11 \u2013 15\/11<br \/>\n<strong>2. M\u1eadt <\/strong><strong>\u0111\u1ed9 v\u00e0 ph\u01b0\u01a1ng ph\u00e1p gieo<\/strong>: c\u00f3 2 ph\u01b0\u01a1ng ph\u00e1p gieo<br \/>\n+ Gieo theo h\u00e0ng: Gi\u1ed1ng \u0111\u01b0\u1ee3c gieo theo h\u00e0ng \u0111\u00e3 r\u1ea1ch s\u1eb5n tr\u00ean lu\u1ed1ng (theo h\u01b0\u1edbng \u0111\u00f4ng-t\u00e2y), kho\u1ea3ng c\u00e1ch 25-30cm. Sau khi gieo ph\u1ea3i l\u1ea5p \u0111\u1ea5t v\u00e0 t\u01b0\u1edbi \u1ea9m \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u1eadt \u0111\u1ed9 \u0111\u1ed3ng \u0111\u1ec1u sau gieo. Y\u00eau c\u1ea7u l\u01b0\u1ee3ng gi\u1ed1ng t\u1eeb 100 \u0111\u1ebfn 120kg\/ha (v\u00e0o kho\u1ea3ng 3,5 \u0111\u1ebfn 4,2 kg cho 1 s\u00e0o B\u1eafc b\u1ed9).<br \/>\n+ Gieo v\u00e3i: H\u1ea1t gi\u1ed1ng \u0111\u01b0\u1ee3c v\u00e3i \u0111\u1ec1u theo lu\u1ed1ng. Sau \u0111\u00f3 ph\u1ee7 m\u1ed9t l\u1edbp r\u01a1m r\u1ea1 \u0111\u1ec3 tr\u00e1nh chim chu\u1ed9t, t\u01b0\u1edbi \u1ea9m ngay. Y\u00eau c\u1ea7u l\u01b0\u1ee3ng gi\u1ed1ng t\u0103ng th\u00eam 10-15% so v\u1edbi gieo theo h\u00e0ng.<br \/>\n<strong>3. Ch\u00e2n <\/strong><strong>\u0111\u1ea5t<\/strong><br \/>\n\u0110\u1ea1i m\u1ea1ch th\u00edch h\u1ee3p v\u1edbi \u0111\u1ea5t th\u1ecbt nh\u1eb9 v\u00e0 c\u00e1t pha kh\u00f4ng chua, l\u00e0 c\u00e2y tr\u1ed3ng kh\u00f4ng ch\u1ecbu \u0111\u01b0\u1ee3c ng\u1eadp, \u00fang. \u0110\u1ea1i m\u1ea1ch kh\u00f4ng y\u00eau c\u1ea7u nhi\u1ec1u n\u01b0\u1edbc nh\u01b0ng r\u1ea5t m\u1eabn c\u1ea3m v\u1edbi s\u1ef1 thi\u1ebfu h\u1ee5t n\u01b0\u1edbc.<br \/>\nL\u00e0m \u0111\u1ea5t, l\u00ean lu\u1ed1ng: \u0110\u1ec3 \u0111\u1ea1i m\u1ea1ch th\u1ea5m n\u01b0\u1edbc \u0111\u1ec1u v\u00e0 gi\u00fap b\u1ed9 r\u1ec5 ph\u00e1t tri\u1ec3n t\u1ed1t, s\u1eed d\u1ee5ng dinh d\u01b0\u1ee1ng t\u1ed1i \u0111a th\u00ec \u0111\u1ea5t tr\u1ed3ng \u0111\u1ea1i m\u1ea1ch c\u1ea7n \u0111\u01b0\u1ee3c phay nh\u1ecf, t\u01a1i x\u1ed1p, s\u1ea1ch c\u1ecf d\u1ea1i. L\u00ean lu\u1ed1ng r\u1ed9ng 1-1,2m; r\u00e3nh lu\u1ed1ng ph\u1eb3ng, r\u1ed9ng 20cm, s\u00e2u 15-20cm.<br \/>\n<strong>4. Ph\u00e2n b\u00f3n <\/strong><br \/>\n\u0110\u1ea1i m\u1ea1ch l\u00e0 c\u00e2y tr\u1ed3ng kh\u00f4ng \u0111\u00f2i h\u1ecfi th\u00e2m canh cao n\u00ean l\u01b0\u1ee3ng ph\u00e2n b\u00f3n cho \u0111\u1ea1i m\u1ea1ch kh\u00f4ng nhi\u1ec1u, tuy nhi\u00ean y\u00eau c\u1ea7u ph\u1ea3i b\u00f3n c\u00e2n \u0111\u1ed1i. B\u00ean c\u1ea1nh \u0111\u00f3, \u0111\u1ea1i m\u1ea1ch l\u00e0 lo\u1ea1i c\u00e2y c\u00f3 th\u1eddi gian sinh tr\u01b0\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n ng\u1eafn n\u00ean c\u1ea7n ph\u1ea3i b\u00f3n t\u1eadp trung.<br \/>\nT\u1ef7 l\u1ec7 ph\u00e2n b\u00f3n: 60N : 60 P<sub>2<\/sub>O<sub>5 <\/sub>: 60K<sub>2<\/sub>O<br \/>\nL\u01b0\u1ee3ng ph\u00e2n b\u00f3n cho 1ha l\u00e0: ph\u00e2n chu\u1ed3ng 5t\u1ea5n, \u0111\u1ea1m ure: 130kg, supe l\u00e2n: 330kg; kali Clorua: 120kg<br \/>\n<em>C\u00e1ch b\u00f3n:<\/em><br \/>\nB\u00f3n l\u00f3t: to\u00e0n b\u1ed9 ph\u00e2n chu\u1ed3ng v\u00e0 ph\u00e2n l\u00e2n, b\u00f3n tr\u01b0\u1edbc khi b\u1eeba l\u1ea7n cu\u1ed1i ho\u1eb7c tr\u1ed9n \u0111\u1ec1u trong \u0111\u1ea5t r\u1ed3i m\u1edbi l\u00ean lu\u1ed1ng nh\u1eb1m tr\u00e1nh h\u1ea1t ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi ph\u00e2n g\u00e2y h\u1ecfng h\u1ea1t.<br \/>\nB\u00f3n th\u00fac: l\u01b0\u1ee3ng ph\u00e2n c\u00f2n l\u1ea1i v\u00e0o l\u00fac \u0111\u1ea1i m\u1ea1ch \u0111\u01b0\u1ee3c 3-4 l\u00e1, v\u00e3i \u0111\u1ec1u c\u00e1ch g\u1ed1c 1-2cm.<br \/>\n<strong>5. Ch\u0103m s\u00f3c, ph\u00f2ng tr\u1eeb s\u00e2u b\u1ec7nh<\/strong><br \/>\n<strong><em>&#8211; T\u01b0\u1edbi n\u01b0\u1edbc, l\u00e0m c\u1ecf: <\/em><\/strong><br \/>\n+ \u0110\u1ee3t 1 ngay sau khi gieo, l\u1ea5y n\u01b0\u1edbc v\u00e0o r\u00e3nh \u0111\u1ec3 h\u1ea1t h\u00fat \u1ea9m ph\u1ee5c v\u1ee5 qu\u00e1 tr\u00ecnh n\u1ea3y m\u1ea7m (ch\u00fa \u00fd n\u1ebfu \u0111\u1ea5t \u1ea9m 80-90% th\u00ec kh\u00f4ng c\u1ea7n t\u01b0\u1edbi).<br \/>\n+ \u0110\u1ee3t 2: khi b\u00f3n th\u00fac b\u1ed5 sung n\u01b0\u1edbc k\u1ebft h\u1ee3p l\u00e0m c\u1ecf, vun x\u1edbi.<br \/>\n+ \u0110\u1ee3t 3: \u0111\u1ea1i m\u1ea1ch n\u1ebfu thi\u1ebfu n\u01b0\u1edbc \u1edf th\u1eddi k\u1ef3 tr\u1ed5 b\u00f4ng s\u1ebd gi\u1ea3m n\u0103ng su\u1ea5t do \u0111\u00f3 ch\u00fa \u00fd t\u01b0\u1edbi b\u1ed5 sung k\u1ebft h\u1ee3p l\u00e0m c\u1ecf tr\u01b0\u1edbc ho\u1eb7c sau khi tr\u1ed7 b\u00f4ng.<br \/>\n<strong><em>&#8211; Ph\u00f2ng tr\u1eeb s\u00e2u b\u1ec7nh:<\/em><\/strong><br \/>\n<strong><em>\u00a0\u00a0\u00a0 <\/em><\/strong>+ V\u00e0o th\u1eddi k\u1ef3 \u0111\u1ebb nh\u00e1nh th\u01b0\u1eddng c\u00f3 r\u1ec7p g\u00e2y h\u1ea1i. S\u1eed l\u00fd b\u1eb1ng thu\u1ed1c Dipterex, Surpation, Bassa v\u00e0 c\u00e1c thu\u1ed1c tr\u1eeb r\u1ec7p kh\u00e1c theo \u0111\u00fang n\u1ed3ng \u0111\u1ed9 ch\u1ec9 d\u1eabn.<br \/>\n+ Th\u1eddi k\u1ef3 \u0111\u1ebb nh\u00e1nh ch\u00fa \u00fd b\u1ec7nh \u0111\u1ed1m n\u00e2u, di\u1ec7n t\u00edch tr\u1ed7 mu\u1ed9n th\u01b0\u1eddng g\u1eb7p b\u1ec7nh ph\u1ea5n tr\u1eafng, m\u1ed1c h\u1ed3ng \u0111\u1eb7c bi\u1ec7t khi m\u01b0a \u1ea9m ho\u1eb7c \u0111\u1ed9 \u1ea9m kh\u00f4ng kh\u00ed cao trong th\u1eddi gian d\u00e0i.\u00a0\u00a0 N\u00ean s\u1eed d\u1ee5ng thu\u1ed1c Triadimefon phun tr\u1eeb b\u1ec7nh 2 l\u1ea7n. L\u1ea7n 1 khi \u0111\u1ea1i m\u1ea1ch \u0111\u01b0\u1ee3c 6-7 l\u00e1, li\u1ec1u l\u01b0\u1ee3ng 450gr\/ha, l\u1ea7n 2 tr\u01b0\u1edbc khi \u0111\u1ea1i m\u1ea1ch tr\u1ed7 b\u00f4ng li\u1ec1u l\u01b0\u1ee3ng 600gr\/ha.<br \/>\n<strong>6. Thu ho\u1ea1ch<\/strong><br \/>\nKhi th\u1ea5y kho\u1ea3ng 80-85% b\u00f4ng ch\u00edn v\u00e0ng th\u00ec thu ho\u1ea1ch. Khi thu, c\u1eaft theo chi\u1ec1u d\u00e0i r\u01a1m kho\u1ea3ng 50-60cm \u0111\u1ec3 b\u00f3 th\u00e0nh b\u00f3 nh\u1ecf, \u0111\u01b0\u1eddng k\u00ednh b\u00f3 kho\u1ea3ng 15cm, treo ho\u1eb7c hong kh\u00f4 kho\u1ea3ng 3-5 ng\u00e0y. Sau \u0111\u00f3 c\u00f3 th\u1ec3 tu\u1ed1t nh\u01b0 tu\u1ed1t l\u00faa ho\u1eb7c \u0111\u1eadp \u0111\u1ec3 l\u1ea5y h\u1ea1t, ti\u1ebfp t\u1ee5c ph\u01a1i n\u1eafng 2-3 ng\u00e0y cho h\u1ea1t \u0111\u1ea1t t\u1edbi \u0111\u1ed9 \u1ea9m 13%, l\u00e0m s\u1ea1ch h\u1ea1t. C\u00f3 th\u1ec3 \u0111\u00f3ng bao d\u1ee9a b\u00ean trong c\u00f3 t\u00fai nilon.<strong><em>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/em><\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: right;\">Th.S D\u01b0\u01a1ng Th\u1ecb H\u1ed3ng Mai<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0110\u1ea1i m\u1ea1ch th\u00edch h\u1ee3p v\u1edbi \u0111\u1ea5t th\u1ecbt nh\u1eb9 v\u00e0 c\u00e1t pha kh\u00f4ng chua, l\u00e0 c\u00e2y tr\u1ed3ng kh\u00f4ng ch\u1ecbu \u0111\u01b0\u1ee3c ng\u1eadp,<\/p>\n","protected":false},"author":4,"featured_media":461,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[35],"tags":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/460"}],"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=460"}],"version-history":[{"count":1,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/460\/revisions"}],"predecessor-version":[{"id":462,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/460\/revisions\/462"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/media\/461"}],"wp:attachment":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=460"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=460"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=460"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}