RT Journal Article SR Electronic T1 Integrated nutrient management for improving crop yields and nutrient utilization efficiencies in China JF Journal of Soil and Water Conservation FD Soil and Water Conservation Society SP 126A OP 128A DO 10.2489/jswc.63.4.126A VO 63 IS 4 A1 Mingsheng Fan A1 Zhenling Cui A1 Xinping Chen A1 Rongfeng Jiang A1 Fusuo Zhang YR 2008 UL http://www.jswconline.org/content/63/4/126A.abstract AB