摘要
本文根据河南省的生态条件,论述了夏玉米单产11000~12000kg/hm2的主要栽培技术和当前生产中应该加以改进的措施。
According to the ecological conditions in Henan Prorince,the main culture technique and improvement measures at present on summer maize yield 11 000~12 000 kg/hm 2 were discussed.The study showed that summer maize yield reached 11 000~12 000 kg/hm 2 meed that using moderate maturity single cross hybrid,density at 67 500~75 000 kg/hm 2,Carefully sowing in time after wheat being harvested (about Jun 10),applicated N 450 kg/hm 2、P 2O 5、225 kg/hm 2、K 2O、225 kg/hm 2、ZnSO 4|15 kg/hm 2,phosphate fertitizer 30% applicated at young plant stage 60% at Dalabacou stage 10%at earing stage,achieved seeding neat Knotting stage sprating eahrel 225 ml/hm 2,harvesting after insemination 48~50 days
出处
《玉米科学》
CAS
CSCD
1998年第4期39-44,共6页
Journal of Maize Sciences
关键词
夏玉米
栽培技术
试验示范
Summer maize
Culture technique
Test and demonstration