Documents The Problem of Soil and Land Degradation P.C. Wall CIMMYT ®

The Problem of Soil and Land Degradation P.C. Wall Two major types of degradation: Soil erosion Fertility decline These are linked as erosion generally removes the most fertile…

Documents The Problem of Soil and Land Degradation

The Problem of Soil and Land Degradation P.C. Wall Two major types of degradation: Soil erosion Fertility decline These are linked as erosion generally removes the most fertile…