安徽农业科学2017，Vol.45Issue(29)：18-19,22,3.
基施钾肥对耐密·紧凑型夏玉米品种主要农艺性状和产量的影响
Effects of Base Potassium Fertilzer on Agronomic Traits and Yield of Density -Tolerant Summer Maize
摘要
Abstract
[Objective]To explore the suitable potassium fertilizer level to achieve high yield of summer maize.[Method]With Xingyu No.10 as test material,to study effect of different potassium fertilizer levels(09,0150,210,270,360 kg/hm 2 )on agronomic traits and yield of density-tol-erant summer maize.[Result] Potassium fertilizer can promote the growth and development of maize ,plant height,ear position height,ear length, row number,kernels per row,kernels per spike,1000 -grain weight and yield were significantly increased,bare tip length was shortened,the potas-sium fertilizer significantly increased maize yield.When the amount of potassium was not more than 210 kg/hm2,the differences of plant height, ear position height,ear length,row number,kernels per row,kernels per spike,1000-grain weight,bare tip length and yield of different potassium treatments were significant.When the amount of potassium was more than 210 kg/hm2 ,continuously increased the fertilization level,plant height, ear position height,ear length,row number,kernels per row,kernels per spike,1000-grain weight,bare tip length and yielding effect were not ob-vious.Potassium fertilizer can significantly improve the agronomic traits and yield of summer maize ,but not the more the better ,too much potassi-um fertilizer had little effect on yield,but cause waste.[Conclusion]The study can provide a theoretical basis for increasing maize yield and plant -ing benefit.关键词
钾肥/施肥量/夏玉米/农艺性状/产量Key words
Potassium fertilizer/Fertilizing amount/Summer maize/Agronomic characters/Yield分类
农业科技引用本文复制引用
路小芳..基施钾肥对耐密·紧凑型夏玉米品种主要农艺性状和产量的影响[J].安徽农业科学,2017,45(29):18-19,22,3.基金项目
邢台市科学技术研究与发展计划项目(16226323D-X). （16226323D-X）
