控释肥对土壤全氮含量及夏玉米产量品质的影响  

Effects of Controlled-release Nitrogen Fertilizer on Total N of Soil and Yield and Quality of Summer Maize

作　　者：卫丽[1] 马超[1] 黄晓书[1] 杨改青[1] 王同朝[1] 

机构地区：[1]河南农业大学,河南郑州450002

出　　处：《水土保持学报》2009年第4期176-179,共4页Journal of Soil and Water Conservation

基　　金：国家"十一五"科技支撑计划项目(2006BAD02A07);河南省高校科技创新人才支持计划(2009HASTIT006)

摘　　要：以常规施肥法为对照,探讨了不同控释肥对土壤、夏玉米植株全氮含量和玉米产量及品质的影响。结果表明：与常规施肥技术相比,3种控释肥均能有效协调吐丝至成熟期各项指标,土壤全氮含量增幅在12.92%-83.06%;叶片和茎鞘全氮含量分别增加0.50%-10.69%和1.09%-41.92%;叶片和茎鞘生物产量分别增加5.03%-61.97%和5.64%-30.32%;归一化植被指数（NDVI）提高0.51%-5.35%,表现为控释肥的氮素释放模式与夏玉米需氮规律基本一致;玉米产量增幅在3.38%-13.36%,并能有效提高籽粒蛋白质和氨基酸含量。其中以硫加树脂包膜尿素控释肥的调控效果最好。the paper illustrated the effects of different kinds of controlled-release nitrogen fertilizers on total N of soil, yield and quality of summer maize, traditional fertilizer as control. The results showed that controlled-release nitrogen fertilizers evidently improved the total N of soil during silking and maturity stage in comparison of traditional fertilizer, the rate was 12.92% -83.06%;the total N of leaf and stem were also higher than that of CK, the rates were 0.50 %- 10.69%, 1.09%-41.92 %, respectively; the biomass yield of leaf and stem were higher than that of CK, the rate were 5.03%-61.97%,5.64%-30.32%, respectively;Controlled-release nitrogen fertilizers could adjust the release of N to requisite mode of summer maize, increased maize yield by 3.38%-13.36%, and improved the content of crude protein and amino acid, repetitively. Among these treatments, T2 treatment showed the best effects.

关 键 词：控释肥 夏玉米 全氮 产量 品质 

分 类 号：S513[农业科学—作物学] S513.8