不同降水年型下春小麦产量对降水、施氮及秸秆覆盖的响应模拟

叶晓娟, 刘强

Simulation of Spring Wheat Yield Response to Precipitation, Nitrogen Application, and Straw Mulching under Different Precipitation Year Types

Ye Xiaojuan, Liu Qiang

图2 不同降水年型单因素作用下产量的变异系数

Fig.2 Variation coefficient of yield under single factor effect of different precipitation year types