1Effects of long-term fertilization on available P, P composition and phosphatase activities in soil from the Huang-Huai-Hai Plain of China

作者： Wei, Kai; Chen, Lijun; Bao, Hongxu; Huang, Shaomin; SCI

机构： Chinese Acad Sci, Inst Appl Ecol, POB 417, Shenyang 110016, Peoples R China; Liaoning Univ, Sch Environm Sci, Shenyang 110036, Peoples R China; Henan Acad Agr Sci, Inst Plant Nutr & Environm Resources Sci, Zhengzhou 450002, Peoples R China;

来源：AGRICULTURE ECOSYSTEMS & ENVIRONMENT

关键词： Soil P composition Phosphatase activities Crop straw Cattle manure Fertilization