@article{崔玉亭:37, author = {[崔玉亭, 韩纯儒]}, title = {集约高产过程中土壤有机质动态初探}, publisher = {生态学杂志}, year = {1993}, journal = {生态学杂志}, volume = {}, number = {2}, eid = {37}, pages = {37-38}, keywords = {}, url = http://www.cje.net.cn/CN/abstract/article_18564.shtml }