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1 原因近几年大田玉米空秆缺粒问题发生较为严重,造成这一问题的原因很多。经研究分析,主要有以下几方面因素:1.1 种子因素不同品种由于在遗传特性上对栽培条件适应能力不同,造成空秆率有较大差异。同一品种在相同的栽培条
1 reasons In recent years, field corn short stubble problem occurs more serious, causing many problems for this reason. The research and analysis, mainly in the following aspects: 1.1 Seed factors Different varieties due to genetic characteristics of the adaptability to different cultivation conditions, resulting in a significant difference in empty stalk rate. The same cultivar in the same variety