作物研究Issue(6)：595-598,4.DOI:10.3969/j.issn.1001-5280.2015.06.05
施氮量和氮肥运筹模式对糯稻产量及品质的影响
Effect of Nitrogen Rates and Nitrogen Application Regi mes on Grain Yield and Rice Quality of Glutinous Rice
摘要
Abstract
In order to understand the effects of nitrogen rates and nitrogen application regimes on grain yield and rice quality of glutinous rice,a field experiment was done in Deyang city,Sichuan Province,China,in 2015.A inbred glutinous rice,Yuxiangnuo 1,was grown in three N treatments (N00 kg N per hectare;N120 120 kg N per hectare;N180 180 kg N per hectare)and two nitrogen application regimes (basal∶early tillering =7∶3,A;basal∶early tillering∶panicle initiation =5∶2∶3,B).The result show that N180 and N120 produced 31.8% and 29.9% higher grain yield than N0 ,respectively.Higher grain yield under treatment N180 and N120 were associated with higher panicles per m2 and spikelets per panicle.Under the same nitrogen application rate,treatment B had lower grain yield than treatment A by 2.9% for N120 and by 2.1% for N180.On average,starch content and amylopectin content under treatment B were 9.2% and 9.5% higher than those under treat-ment A.Our result suggest that adopting nitrogen application regime (basal∶early tillering∶panicle initiation =5∶2∶3) without penalty grain yield but quality improvement of glutinous rice.关键词
糯稻/施氮量/品质/产量Key words
glutinous rice/nitrogen rates/rice quality/grain yield分类
农业科技引用本文复制引用
蒋鹏,熊洪,张林,周兴兵,朱永川,刘茂,郭晓艺,徐富贤..施氮量和氮肥运筹模式对糯稻产量及品质的影响[J].作物研究,2015,(6):595-598,4.基金项目
四川科技支撑计划项目（2014NZ0128）；四川省农科院中试熟化项目（2011BAD16BO5－1）；西南水稻创新体系建设项目（18090001524）。 （）
