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Now showing items 1-10 of 11
An investigation of the soil properties controlling gully erosion in a sub-catchment in Maphutseng, Lesotho
(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 ...
Soil health and quality concept in agricultural extension and soil science : an assessment of topsoil conditions in a long term vineyard soil management trail in Robertson, South Africa
(Stellenbosch : University of Stellenbosch, 2011-03)
ENGLISH ABSTRACT:
The natural resource condition or health has been accepted as a valuable indicator of
sustainable land use. The assessment of soil health (quality) has become a valuable tool in
determining the ...
Morphology, mineralogy and surface chemistry of manganiferous oxisols near Graskop, Mpumalanga Province, South Africa
(Stellenbosch : University of Stellenbosch, 2004-12)
ENGLISH ABSTRACT: In the humid Graskop region of Mpumalanga Province, South Africa, there is an
anomalous body of highly weathered black, manganiferous oxisols derived from dolomite.
With Mn contents as high as 17%, ...
Comparison of calcium ameliorants and coal ash in alleviating the effects of subsoil acidity on maize root development near Middelburg, Mpumalanga
(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 ...
Synthesis and characterisation of sesquioxidic precipitates formed by the reaction of acid mine drainage with fly ash leachate
(Stellenbosch : University of Stellenbosch, 2003-04)
ENGLISH ABSTRACT: Coal mining in South Africa is estimated to produce 200 Ml of acid mine drainage
(AMD) per day in the Pretoria-Witwatersrand-Vereeniging (PWV) area alone, while
electricity production resulted in ...
Evaluering van grondvoorbereidingspraktyke wat in die wingerdbedryf uitgevoer word in terme van geselekteerde grondfisiese eienskappe
(Stellenbosch : University of Stellenbosch, 2011-03)
ENGLISH ABSTRACT: The study was conducted in the Western Cape Province to investigate the effect of soil
preparation on selected soil physical properties. This study was necessitated by the negative
effects that high ...
Exploiting soil and terrain heterogeneity : an investigation into vigour and physiology of grapevines on and off "heuweltjies‟ in the Western Cape, South Africa
(Stellenbosch : University of Stellenbosch, 2011-03)
ENGLISH ABSTRACT: The topic of landscape heterogeneity has captured the imagination of ecologists and agriculturists alike and has been extensively investigated in this dissertation. Heuweltjies are landscape features ...
The status of soil organic carbon under indigenous forests, grasslands, wetlands and pine plantations in Woodbush, Limpopo Province, South Africa
(Stellenbosch : University of Stellenbosch, 2004-12)
ENGLISH ABSTRACT: Storing soil organic carbon (SOC) is a possible way of reducing atmospheric
CO2 and potentially mitigating the effects of global warming. This study looks
at soil carbon stocks, the sampling methodology ...
Distribution and stability of soil carbon in spekboom thicket, Eastern Cape, South Africa
(Stellenbosch : Stellenbosch University, 2012-03)
ENGLISH ABSTRACT: Soils of semi-arid regions generally have low organic matter contents, primarily attributed to prevailing climatic conditions. Yet, the spekboom thicket, located in the semi-arid region of the Eastern ...
Effect of biochar on chemistry, nutrient uptake and fertilizer mobility in sandy soil
(Stellenbosch : Stellenbosch University, 2012-03)
ENGLISH ABSTRACT: Biochar is a carbon-rich solid material produced during pyrolysis, which is the thermal degradation of biomass under oxygen limited conditions. Biochar can be used as a soil amendment to increase the ...