玉米果穗缺粒原因及防止方法王国勇，曾克新（河南省邓州市赵集乡）玉米果穗缺粒是玉米生产上常见的问题。缺粒玉米，一般减产８％～１５％，严重时达到２０％以上。１玉米果穗缺粒的原因玉米果穗缺粒的原因是多方面的，生育后期养分、水分不足，顶部花丝吐出晚，雌花退化... Causes of Corn Ear Scraping and Prevention Methods Wang Guoyong, Zeng Kexin (Zhao Jixiang, Dengzhou City, Henan Province) Maize ear sparse grain is a common problem in corn production. Miss grain corn, the general reduction of 8% to 15%, in severe cases reached 20% or more. 1 reasons for lack of corn ear of corn Corn ear missing due to many reasons, late growth nutrients, lack of water, the top of the filament spit late, the female flower degeneration ...