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Comparison of calcium ameliorants and coal ash in alleviating the effects of subsoil acidity on maize root development near Middelburg, Mpumalanga

Awkes, Meryl Mandy (Stellenbosch : University of Stellenbosch, 2010-03)

ENGLISH ABSTRACT: Acidic soils are a major limitation to agriculture worldwide. The Highveld in South Africa has many acidic soils and several coal burning power stations. These coal burning power stations generate ...
An investigation of the soil properties controlling gully erosion in a sub-catchment in Maphutseng, Lesotho

Van Zijl, George Munnik (Stellenbosch : University of Stellenbosch, 2010-03)

ENGLISH ABSTRACT: Lesotho is a country with an international reputation for the severe degree of soil erosion in its landscape. Despite several national soil conservation projects, soil erosion continues at an astounding ...