@Article{201916, title = {黄土丘陵沟壑区坝地和梯田土壤养分特征与演变}, author = {郝丽婷,吴发启}, journal = {水土保持通报}, volume = {39}, number = {5}, pages = {16}, numpages = {7.0000}, year = {2019}, month = {}, doi = {10.13961/j.cnki.stbctb.2019.05.003}, publisher = {科学出版社} }