氮管理对冬小麦产量和品质影响的整合分析
邓丽娟,焦小强

A Meta-Analysis of Effects of Nitrogen Management on Winter Wheat Yield and Quality
DENG LiJuan,JIAO XiaoQiang
图5 不同土壤肥力下施氮对小麦产量(A)和籽粒蛋白质含量(B)的影响
Fig. 5 Effects of N application under different soil fertility on wheat yield (A) and grain protein concentration (B)