EN中文
Impact of Cutting a Clover Crop on the Nitrogen Supplied to Winter Wheat in an Intercropping System
SUN Zhenzhong, OUYANG Zhu, LI Fadong, WU Lanfang
Journal of Resources and Ecology . 2012, (1): 73 -79 .  DOI: 10.5814/j.issn.1674-764x.2012.01.011