安徽农业科学2017，Vol.45Issue(5)：29-32,4.
超迟播稻茬小麦播种量·施氮量和氮肥运筹方式
Seeding Quantity, N Fertilizer Application Amount and Regime of Super Late Sowing Wheat Following Rice
摘要
Abstract
[Objective] To research the proper seeding quantity,N fertilizer application amount and regime of super late sowing wheat following rice.[Method] We researched the basic seedlings and yield components of different treatments,compared the ear number,grain number per panicle,1 000-grain weight and yield under different N fertilizer application regimes.[Result] Seeding quantity,N fertilizer application amount and regime showed extremely significant impacts on ear number,grain number per panicle,1 000-grain weight and yield.Every increase of 15 kg/hm2 seeding quantity could enhance 106.5 thousand ears/hm2,reduce 0.22 g 1 000-grain weight and increase 150.45 kg/hm2 yield.Every increase of 15 kg/hm2 N fertilizer application could enhance 1.07 grains and 450.75 kg/hm2 yield.The effects of N fertilizer application regime changed with different seeding quantity and N fertilizer application amount.The highest yield of N fertilizer application regime was that "light turn-green-fertilizer,heavy base-fertilizer and jointing-fertilizer" when seeding quantity was 480 kg/hm2,and " N-fertilizer top-dressing time deferring,turn-green-fertilizer being the same amount as booting fertilizer" when N fertilizer application amount was 240 kg/hm2.[Conclusion] This research provides theoretical basis for the extension of super late sowing wheat following rice.关键词
小麦/播种量/施氮量/氮肥运筹方式Key words
Wheat/Seeding quantity/N fertilizer application amount/N fertilizer application regime分类
农业科技引用本文复制引用
季仁达,杨步琴,石广跃,赵晓斌,王伟中..超迟播稻茬小麦播种量·施氮量和氮肥运筹方式[J].安徽农业科学,2017,45(5):29-32,4.基金项目
国家小麦产业技术体系项目(CAR-03) （CAR-03）
江苏省农业自主创新项目[CX(15) 1002] （15）
国家科技支撑计划课题(2012BAD04B08) （2012BAD04B08）
江苏省科技支撑计划课题(BE2014393) （BE2014393）
江苏省农业三项工程农业科技综合展示基地项目[SX(2016)161] （2016）
国家小麦产业技术体系项目(CARS-3-2-13) （CARS-3-2-13）
江苏省农业科技自主创新资金项目[CX (14) 2008]. （14）
