减氮条件下密度对水稻望两优361产量的影响  

Effect of Density on Yield of Wangliangyou 361 Under the Condition of Nitrogen Reduction

作　　者：袁功平 胡兴年 张取仁[1] 许有尊[2] 汪谨桂 YUAN Gong-ping;HU Xing-nian;ZHANG Qu-ren;XU You-zun;WANG Jin-gui(Crop Production Administration of Huaining County in Anhui Province,Huaining Anhui 246121;Rice Research Institute,Anhui Academy of Agricultural Sciences;Agricultural Technology Stations of Mamiao of Huaining County)

机构地区：[1]安徽省怀宁县种植业管理局,安徽怀宁246121 [2]安徽省农业科学院水稻研究所 [3]怀宁县马庙农业站

出　　处：《现代农业科技》2019年第20期3-4,共2页Modern Agricultural Science and Technology

基　　金：国家重点研发计划课题（2018YFD0300903,2018YFD0300906,2017YFD0301304）;安徽省农业科学院创新团队项目（18C0103）

摘　　要：为探索减氮条件下密度对水稻望两优361产量的影响,特于2018年进行了不同密度对比试验。结果表明,怀宁县单季稻在常规用量减少10%(施用纯N202.5kg/hm^2、P2O581kg/hm^2、K2O162kg/hm^2)的基础上,22.5万穴/hm^2为最佳移栽密度。In order to explore the effect of density on the yield of Wangliangyou 361 under the condition of nitrogen reduction,a comparative experiment of different densities was conducted in 2018.The results showed that the optimal transplanting density of single cropping rice in Huaining County was 225 000 holes/hm^2 on the basis of 10% reduction in conventional application(N 202.5 kg/hm^2,P2O5 81 kg/hm^2 and K2O 162 kg/hm^2).

关 键 词：水稻 密度 望两优361 产量 

分 类 号：S511[农业科学—作物学]