坝上生态农业工程生态效益监测与评价研究

徐东瑞, 马礼

Research on Ecological Effect of Bashang Eco-agriculture Project in Evaluation and the Monitoring

XU Dong rui, MA Li

华北农学报 . 2003, (2): 114 -117 . DOI: 10.3321/j.issn:1000-7091.2003.02.031