华北平原五省冬小麦产量和氮素管理的时空变异
任思洋,张青松,李婷玉,张福锁
Spatiotemporal Variation of Winter Wheat Yield and Nitrogen Management in Five Provinces of North China Plain
SiYang REN,QingSong ZHANG,TingYu LI,FuSuo ZHANG
中国农业科学 . 2019, (24): 4527 -4539 .  DOI: 10.3864/j.issn.0578-1752.2019.24.008