引用本文: | 杨春红, 张正栋. 珠江北江上游近30年土壤表层pH时空变化及其影响因素 —以翁源县为例[J]. 华南师范大学学报(自然科学版), 2014, 46(6): 121-127. |
Citation: | Spatio-temporal Variation and Associated Affecting Factors of Soil PH in North River upstream Over 30 Years:A Case Study in Wengyuan[J]. Journal of South China Normal University (Natural Science Edition), 2014, 46(6): 121-127. |