Response of Sweetpotato in Source-Sink Relationship Establishment, Expanding, and Balance to Nitrogen Application Rates
NING Yun-Wang, MA Hong-Bo, ZHANG Hui, WANG Ji-Dong, XU Xian-Ju, ZHANG Yong-Chun*
图7 不同氮用量的甘薯单个薯重变化趋势 缩写同 图3 。 Fig. 7 Change trends of fresh weight per tuberous root in sweetpotato under different nitrogen rates Abbreviations are the same as those given in Fig. 3