大化县玉米正大619早衰、弓背等现象的原因及对策

Analysis on Early Aging Disease and Abnormal Ears of Maize Zhengda 619 Planted in Dahua County and Its Countermeasures

对大化县石山区种植玉米正大619出现早衰、弓背等现象进行了实地调查,综合分析认为,播种期不当、施肥、管理不科学和气候因素是造成早衰、弓背减产的直接原因,并提出了相应的栽培对策。

A field investigation on maize early aging disease and abnormal ears of Zheugda 619 planted in Dahua County. Analyzed the reasons and puts forward some cultivation countermeasures.