LEI Ming-jiang, DU Chang-wen, YANG Yu-hua, et al. Application of Three Extraction Procedures to Study Phosphorus Availability in Long-Term Experiment[J]. 2007, 21(2): 85-88.
LEI Ming-jiang, DU Chang-wen, YANG Yu-hua, et al. Application of Three Extraction Procedures to Study Phosphorus Availability in Long-Term Experiment[J]. 2007, 21(2): 85-88.DOI: