资源 标记: Soil Conservation
73 条目已找到 (正在显示 1 - 10) 下一个
-
-
-
-
- 1989-01-01 Agroforestry refers to the integration of trees and shrubs as essential elements of agricultural and other land use systems, with the idea of improving the fertility and productivity of the soil. In this concept, trees and shrubs can be deliberately managed (that is, established, tended,...
-
-
-
-
-