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本文提出了夏玉米亩产900公斤的产量构成及生理指标,指出提高叶面积持续期是高产育种和栽培的主攻方向;玉米高产的主要途径是利用紧凑型良种,以穗多取胜.
In this paper, the yield components and physiological indexes of summer maize yielding 900 kg were put forward. It is pointed out that increasing the leaf area duration is the main direction of high-yielding breeding and cultivation. The main way of high yielding corn is to use compact seed to win with more ears.