Investigating in Current Situation of Soil Erosion and Refor esting on Farmland in Jinshajiang River Valley in Pingshan County, Yibin City[J]. 2003, (5): 179-181.
Investigating in Current Situation of Soil Erosion and Refor esting on Farmland in Jinshajiang River Valley in Pingshan County, Yibin City[J]. 2003, (5): 179-181.DOI: