Based on 2-D-optimum orthogonal design and model analysis, the effect of phosphorus was stronger than that of nitrogen on the seed yield of Phleum pratense L.

• 摘要采用二因素D-饱和最优设计方案，建立回归模型并进行效应解析后表明，磷对猫尾草种子产量的影响大于氮；