Huang S W, Jin J Y, Yang L P, Zuo Y B, Cheng M F.Spatial variability and regionalized management of soil nutrients in the grain crop region in Yutian county.

• 黄绍文；金继运；杨俐苹；左余宝；程明芳.；分区平衡施肥技术对氮肥利用率和土壤养分平衡的影响