[{"data":1,"prerenderedAt":24},["ShallowReactive",2],{"news-a5ea1825e394491a82f8d1e5d90c032b":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":14,"isread":14,"link":5,"note":5,"orgId":5,"pushtime":15,"pushtype":16,"readnum":17,"sharenum":6,"showorder":18,"showwebsite":16,"source":19,"sourcelink":5,"status":13,"summary":20,"system":5,"thumbnail":21,"thumbnail1":5,"thumbnail2":5,"timer":15,"title":22,"types":23,"updateTime":10},"440cc6a034a6468bb0b69e3928ae4b1b","",0,"\u003Cp style=\"text-indent: 2em;\">农谚说，春分麦起身，一刻值千金。春分已过，西南地区小麦正处在灌浆期，长江中下游地区即将抽穗扬花，黄淮海和西北地区自南向北陆续起身拔节，冬小麦进入了产量形成的关键时期。今年部分地区冬小麦播期偏迟，群体偏少，个体偏弱，加之去冬今春冻害频发，穗分化进程延缓，苗情是近五年来较差的一年。近日，全国农业技术推广服务中心会同农业部小麦专家指导组提出，要以“保穗数、促粒数、攻粒重”为重点，强化肥水运筹，严防病虫草害，做好防灾减灾，切实抓好春季田间管理，为夺取小麦丰收搭好架子。 \u003C/p>\u003Cp>\u003Cbr/>\u003C/p>\u003Cp class=\"ue_t\" style=\"margin: 5px 0px 13px; padding: 0px 10px; font-weight: 400; font-size: 16px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-family: inherit; font-style: normal; font-variant: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; border-width: 0px 0px 0px 5px; border-left-style: solid; border-left-color: rgb(255, 117, 0); -webkit-font-smoothing: antialiased; color: rgb(255, 117, 0); line-height: 25px; background-color: rgb(255, 255, 255);\">立足早促早管保穗数   \u003C/p>\u003Cp style=\"text-indent: 2em;\">单位面积充足的穗数是高产的基础。为确保足够穗数，要立足早促早管，重点抓好以下措施：\u003C/p>\u003Cp style=\"text-indent: 2em;\">\u003Cstrong>\u003Cspan style=\"color: rgb(118, 146, 60);\">一是促弱转壮。\u003C/span>\u003C/strong>对播种偏晚、土壤墒情差、小麦分蘖少、次生根少的麦田，在起身期早施肥浇水，促进次生根和春季分蘖生长，提高分蘖成穗率。\u003C/p>\u003Cp style=\"text-indent: 2em;\">\u003Cstrong>\u003Cspan style=\"color: rgb(118, 146, 60);\">二是保壮稳长。\u003C/span>\u003C/strong>对适期播种、冬前分蘖足的麦田，返青后适当推迟施肥浇水，抑制春季分蘖，避免群体过大，导致后期倒伏。\u003C/p>\u003Cp style=\"text-indent: 2em;\">\u003Cstrong>\u003Cspan style=\"color: rgb(118, 146, 60);\">三是锄划保墒。\u003C/span>\u003C/strong>肥水管理要配合中耕锄划，破除板结，铲除杂草，增温保墒，促进根系生长。\u003C/p>\u003Cp style=\"text-indent: 2em;\">\u003Cstrong>\u003Cspan style=\"color: rgb(118, 146, 60);\">四是防冻补救。\u003C/span>\u003C/strong>密切关注天气变化，寒潮来临前及时灌水，调节近地层小气候，预防晚霜冻害发生。一旦发生冻害，结合浇水追施速效肥，促小蘖赶大蘖，尽快恢复受冻麦苗生长。南方稻茬麦田要抓紧时间清理三沟，疏通田外沟渠，确保排水畅通，防止渍害。\u003C/p>\u003Cp class=\"ue_t\" style=\"margin: 5px 0px 13px; padding: 0px 10px; font-weight: 400; font-size: 16px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-family: inherit; font-style: normal; font-variant: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; border-width: 0px 0px 0px 5px; border-left-style: solid; border-left-color: rgb(255, 117, 0); -webkit-font-smoothing: antialiased; color: rgb(255, 117, 0); line-height: 25px; background-color: rgb(255, 255, 255);\">搞好肥水管理促粒数    \u003C/p>\u003Cp style=\"text-indent: 2em;\">增加每穗粒数的途径是，在促进小花发育的基础上，提高小花结实率，重点是通过起身拔节至开花期肥水运筹调控植株营养状况，构建适宜群体结构，保证田间群体内有充足的光照。\u003C/p>\u003Cp style=\"text-indent: 2em;\">\u003Cstrong>\u003Cspan style=\"color: rgb(118, 146, 60);\">一是施好拔节肥。\u003C/span>\u003C/strong>对三类麦田、晚播弱苗和受冻麦田，要在前期追肥基础上，于拔节期再次追施一次氮肥，以春季氮肥追施总量的一半为宜，并配施适量磷肥；对地力不足、群体少、叶片发黄脱肥麦田，及时补施少量孕穗开花肥；对一类麦田和旺苗麦田，实行氮肥后移，在拔节中后期追肥，避免群体郁闭。\u003C/p>\u003Cp style=\"text-indent: 2em;\">\u003Cstrong>\u003Cspan style=\"color: rgb(118, 146, 60);\">二是防旱保苗。\u003C/span>\u003C/strong>拔节期是小麦需水临界期，也是春旱易发期，要抓好抗旱浇水，保证穗分化用水需求。\u003C/p>\u003Cp class=\"ue_t\" style=\"margin: 5px 0px 13px; padding: 0px 10px; font-weight: 400; font-size: 16px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-family: inherit; font-style: normal; font-variant: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; border-width: 0px 0px 0px 5px; border-left-style: solid; border-left-color: rgb(255, 117, 0); -webkit-font-smoothing: antialiased; color: rgb(255, 117, 0); line-height: 25px; background-color: rgb(255, 255, 255);\">抓好病虫防控攻粒重    \u003C/p>\u003Cp style=\"text-indent: 2em;\">小麦开花至成熟阶段是决定粒重的时期，防止早衰是提高粒重的重要途径。\u003C/p>\u003Cp style=\"text-indent: 2em;\">\u003Cstrong>\u003Cspan style=\"color: rgb(118, 146, 60);\">一是严防病虫。\u003C/span>\u003C/strong>要以小麦纹枯病、条锈病、赤霉病、白粉病、麦蚜、吸浆虫等病虫害为重点防治对象，搞好预测预报，选准对路药剂，推行统防统治，综合防治病虫害。\u003C/p>\u003Cp style=\"text-indent: 2em;\">\u003Cstrong>\u003Cspan style=\"color: rgb(118, 146, 60);\">二是落实好“一喷三防”。\u003C/span>\u003C/strong>及早备好杀虫剂、杀菌剂、植物生长调节剂和磷酸二氢钾，重点抓好小麦抽穗扬花至灌浆乳熟期喷施药肥混合液，密切关注高温气象，适时多次喷施，防干热风、防早衰，延长灌浆期，提高粒重。\u003C/p>","2016-04-04 13:15:30","08b80d56a9174bda87efa07f278efe31","2016-04-05 08:58:02","a5ea1825e394491a82f8d1e5d90c032b","https://api-tx2.hedadata.com/files/news/20160404/64c74161215f4a7395a0fb294d2bc4c6.jpg","2","0","2000-01-01 00:00:00","1",5,99,"农民日报","农谚说，春分麦起身，一刻值千金。春分已过，西南地区小麦正处在灌浆期，长江中下游地区即将抽穗扬花，黄淮海和西北地区自南向北陆续起身拔节，冬小麦进入了产量形成的关键时期。","\\files\\news\\20160404\\64c74161215f4a7395a0fb294d2bc4c6-thumbnail.jpg","农业部专家组：春季田间一定要做好这些事情","news",1790158178173]