soil management
High altitude soils vary so greatly that it is hopeless to generalize about the physical properties and nutrition in them. The soil of a mountain ridge top may be rocky, shallow, and alkaline, but the valleys below that ridge may be loamy, deep and acidic. Mountain gardeners will find...
FAO LAND AND WATER BULLETIN 8
The processes of land erosion in various regions of Latin America and Africa have their origin in social, economic and cultural factors that translate into the over-exploitation of the natural resources and the application of inadequate...
