搜索结果: 1-1 共查到“经济学 conservation tillage”相关记录1条 . 查询时间(0.046 秒)
Economic Analysis of Cotton Conservation Tillage Practices in the Mississippi Delta
Economic Analysis Cotton Conservation Tillage Practices Mississippi Delta
2008/12/15
Producers and conservationists are concerned about soil erosion and soil loss. Producers are also concerned about profits. Many studies have examined tillage methods as a means of conserving soil. Oth...