@Article{2020174, title = {近40年泥河沟流域耕地土壤有机质含量的变异性}, author = {吴 驳,吴发启,佟小刚,宋敏敏,侯 雷}, journal = {土壤}, volume = {52}, number = {1}, pages = {174}, numpages = {8.0000}, year = {2020}, month = {}, doi = {10.13758/j.cnki.tr.2020.01.025}, publisher = {《土壤》编辑部} }