作物水肥耦合类型量化方法在华北冬小麦水氮配置中的应用
张经廷,吕丽华,张丽华,董志强,姚艳荣,姚海坡,申海平,贾秀领()
A Novel Method for Quantitating Water and Fertilizer Coupling Types and Its Application in Optimizing Water and Nitrogen Combination in Winter Wheat in the North China Plain
ZHANG JingTing,Lü LiHua,ZHANG LiHua,DONG ZhiQiang,YAO YanRong,YAO HaiPo,SHEN HaiPing,JIA XiuLing()

图2. 冬小麦递次施氮对灌水增产率及其年际变化特征的影响

Fig. 2. Effect of N-fertilizer increase homogeneity on yield increase ratio derived from added irrigation and its inter-annual variation in winter wheat