@article{YANG Li-yang:374, author = {YANG Li-yang, ZHANG Yong-qing, TIAN Jing, WANG Si-qi}, title = {Effect of Grass Covering on Soil Fertility Quality of Apple Orchard in Jixian County Based on a Minimum Data Set}, publisher = {Journal of Ecology and Rural Environment}, year = {2020}, journal = {Journal of Ecology and Rural Environment}, volume = {36}, number = {3}, eid = {374}, numpages = {7}, pages = {374}, keywords = {grass covering;soil quality assessment;minimum data set;grey correlation}, url = {http://www.ere.ac.cn/EN/abstract/article_11836.shtml}, doi = {10.19741/j.issn.1673-4831.2019.0175} }