The influence time is mainly in the tiller stage and the grouting stage.
影响时期主要为分蘖期和灌浆期。
The grouting speed of maize is slower in the earlier and later grouting stage, faster in the middle.
不同品种玉米的灌浆速率大致都是初期低，中期高，后期又降低。
The grouting speed of maize is slower in the earlier and later grouting stage, faster in the middle.
不同品种玉米的灌浆速率大致都是初期低，中期高，后期又降低。
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