从齐穗期至成熟期、乳熟期倒伏危险性最大；
齐穗期和成熟期细胞间隙CO2浓度与产量呈显著正相关。
There was a significant positive correlation between the intercellur CO2 concentration at full heading and filling stages and grain yield.
采用拌种和齐穗期叶面喷施研究了锐劲特对水稻生长和产量的影响。
Studies were carried out on effects of Regent on growth and yield of rice with seed treatment and leaf spraying.
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