兴农单5号适宜密度与NPK用量研究  

Study on Appropriate Density and NKP Rates of Xingnongdan No.5

作　　者：唐光顺 

机构地区：[1]黔西南喀斯特研究院,贵州兴义562400

出　　处：《耕作与栽培》2016年第5期4-6,共3页Tillage and Cultivation

基　　金：贵州省农业攻关项目"苏湾种质和地方玉米种质改良及利用"(黔科合NY[2014]3019号);贵州省重大专项"玉米种质改良创新和新品种选育及产业化应用"(黔科合重大专项字[2013]6022号)

摘　　要：为探讨兴农单5号高产高效栽培技术,采用四因素五水平二次回归正交旋转组合设计,研究种植密度及氮磷钾肥对玉米新品种兴农单5号产量的影响。研究结果表明:在兴义市兴农单5号单产达到688.15kg/667m^2以上产量的栽培方案为:种植密度4387~4546株/667m^2,氮肥26.08~29.33kg/667m^2,磷肥16.04~19.30kg/667m^2和钾肥7.12~8.79kg/667m^2。In order to explore high yielding cultivation techniques for Xingnongdan No. 5, four factor five level two regression orthogo- nal rotation combination was applied to study the effect of density and NPK fertilizer on yield of Xingnongdan No. 5. The results showed that cultivation methods for maize yield above 688.15kg/667m2as fallows： the density and nitroegen fertilizer, phosphorus fer- tilizer, potassium fertilizer rates were 3487 -4546 plants/667m2 ,26.08 -29.33kg/667m2 ,6.04 - 19.30kg/667m2, 7.12 - 8.79kg/ 667m2 , respectively.

关 键 词：兴农单5号 密度 肥料 产量 

分 类 号：S513.02[农业科学—作物学]