[{"data":1,"prerenderedAt":25},["ShallowReactive",2],{"news-4c91ef59f7624fee92dcae20bf9d2e7b":3},{"author":4,"classification":5,"collectionnum":6,"content":7,"createTime":8,"effectivetime":8,"extra":5,"grantor":9,"granttime":10,"homepageimages":5,"id":11,"images":12,"images1":5,"images2":5,"isimmediate":13,"ispush":13,"isread":14,"link":5,"note":5,"orgId":5,"pushtime":10,"pushtype":13,"readnum":15,"sharenum":6,"showorder":16,"showwebsite":13,"source":17,"sourcelink":5,"status":18,"summary":19,"system":5,"thumbnail":20,"thumbnail1":5,"thumbnail2":5,"timer":21,"title":22,"types":23,"updateTime":24},"440cc6a034a6468bb0b69e3928ae4b1b","",0,"\u003Cp style=\"text-indent: 2em;\">当前，南方早稻播种、育秧、移栽已由南向北陆续展开。受前期低温阴雨天气影响，今年早稻播种育秧总体进度偏慢，部分地区秧苗素质偏弱。针对当前气候特点和秧苗素质，突出抗寒保温、肥水促控、防治病虫等关键环节，着力培育壮秧，适时插足插好，为南方早稻保面积、稳产量、提品质奠定基础，现提出以下技术指导意见。\u003C/p>\u003Cp style=\"text-indent: 2em;\">\u003Cstrong>\u003Cspan style=\"color: rgb(118, 146, 60);\">一、优选良种，种子处理。\u003C/span>\u003C/strong>根据各地生态条件、移栽方式等，选择高产优质、抗逆性强、广适性好的早稻品种。\u003Cspan style=\"color: rgb(31, 73, 125);\">播种前做好晒种、选种、浸种、消毒、催芽，防止恶苗病发生。有条件的地方提倡采用工厂化、大（中）棚、薄膜覆盖，保温育秧。\u003C/span>\u003C/p>\u003Cp style=\"text-indent: 2em;\">\u003Cstrong>\u003Cspan style=\"color: rgb(118, 146, 60);\">二、因天因地，适时播种。\u003C/span>\u003C/strong>当日平均温度稳定通过12℃时，避开阴雨天气，选择生育期适宜的早稻品种抢时播种。要抓住“冷尾暖头”的时机，长江中下游早稻力争在清明前后完成播种。\u003C/p>\u003Cp style=\"text-indent: 2em;\">\u003Cstrong>\u003Cspan style=\"color: rgb(118, 146, 60);\">三、以水调温，抗寒防冻。\u003C/span>\u003C/strong>近期，南方部分地区气温波动较大，对早稻春播和培育壮秧不利。对已播秧田要加强防寒工作，未盖地膜的要及时补盖地膜，\u003Cspan style=\"color: rgb(31, 73, 125);\">同时采取“夜灌日排”、“晴排雨灌”等科学排灌方式，调节秧田水热状况，防止出现烂种、烂秧。\u003C/span>\u003C/p>\u003Cp style=\"text-indent: 2em;\">\u003Cstrong>\u003Cspan style=\"color: rgb(118, 146, 60);\">四、科学调控，培育壮秧。\u003C/span>\u003C/strong>育秧期间，保温的同时适时两头揭膜通风，防止病害；如遇持续晴日高温（膜内≥35℃）天气，要揭膜通风，防止高温烧苗；如天气由持续阴雨突然转晴时，切忌突然揭膜，盲目施尿素等速效肥，应先通风炼苗再揭膜，秧床应边揭膜边洒水或灌水。1叶1心期适温保湿壮苗，防徒长，注意防止绵腐病、立枯病的发生；2叶1心期通风炼苗，增肥促蘖，培育壮秧；3叶1心期实行日揭夜盖，移栽前5-7天用1%-2%的尿素液淋施“送嫁肥”，施后加淋一次清水或移栽前3-5天施起身肥，一般亩秧田施4-5公斤尿素。对长势偏弱的秧苗，增施磷钾肥，保持水分平衡，促进恢复生长。如遇“倒春寒”，要注意保温设施完好，及时以水调温，保持田间温度，防止烂秧死苗。\u003C/p>\u003Cp style=\"text-indent: 2em;\">\u003Cstrong>\u003Cspan style=\"color: rgb(118, 146, 60);\">五、分类指导，适时移栽。\u003C/span>\u003C/strong>当日平均气温稳定通过15℃时抢晴插秧，华南地区争取清明前后完成移栽。对机插田块要提高耕整田质量，移栽前田块要沉实，做到适时早插，力求浅插，适当增加密度；秧龄一般20天左右，宜选用25厘米行距的插秧机，避免秧龄过大引起的缓苗期延长，亩栽插2万穴以上。对手插或抛栽田块要保证栽插密度，提高均匀度；秧龄一般25-30天，高产田块亩栽插2万-2.5万穴，杂交稻每穴2-3本苗，常规稻每穴5-6本苗，亩基本苗分别达到5-6万和10-12万。对三熟制田块要增加栽插密度，秧龄一般不超过35天，亩栽插2.5万穴以上。\u003C/p>","2016-04-11 09:14:32","08b80d56a9174bda87efa07f278efe31","2016-04-11 09:16:10","4c91ef59f7624fee92dcae20bf9d2e7b","https://api-tx2.hedadata.com/files/news/20160411/93f09b1606214a5b85efa375b6472649.png","1","0",102,99,"全国农业技术推广服务中心","2","针对当前气候特点和秧苗素质，突出抗寒保温、肥水促控、防治病虫等关键环节，着力培育壮秧，适时插足插好，为南方早稻保面积、稳产量、提品质奠定基础，现提出以下技术指导意见。","\\files\\news\\20160411\\93f09b1606214a5b85efa375b6472649-thumbnail.png","2000-01-01 00:00:00","2016年南方早稻育插秧技术指导意见","news","2016-04-13 11:46:49",1790158177849]