对结荚率的影响中，仅有施氮量的二次项作用效应达极显著水平。

The effects of pod bearing percentage, only quadratic effect of nitrogen;

youdao

对结荚率的影响中，仅有施氮量的二次项作用效应达极显著水平。

The effects of pod bearing percentage, only quadratic effect of nitrogen;

youdao