2004•He'nan nongye kexueRequires access

Change of the Soil Fertility after Taking the World Bank's Loan Project of Soil and Water Conservation on the Loess Plateau

Xue Liu

Abstract

Based on partial observation data of soil and water conservation of World Bank's Loan Project on the Loess Plateau, the effect of soil and water conservation measures on soil fertility was analyzed.The results showed that the soil water content increased, soil unit weight reduced, soil porosity raised, soil structure was reformed, the contents of soil nutrients were higher,cation exchange capacity (CEC) increased after taking the soil and water conservation measures.

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Key concepts: Soil conservation, Soil fertility, Soil biodiversity, Environmental science, Cation-exchange capacity, Soil science, Soil morphology, Soil management