Characteristic of Soil P Availability in Reduced P-Input Rice-Wheat Cropping Rotation Paddy Soils
YUAN Jia-hui, WANG Yu, WANG Shen-qiang, ZHAO Pin-heng, WANG Hong-yan, CHEN Hao, ZHU Wen-bin
Journal of Ecology and Rural Environment . 2018, (7): 599 -605 .  DOI: 10.11934/j.issn.1673-4831.2018.07.004