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The effect of composted biochar on compost properties and mineralisation
(Stellenbosch : Stellenbosch University, 2016-12)
ENGLISH ABSTRACT: Pyrolized carbon, also known as biochar, is a widely used soil conditioner recognized for its adsorption, C sequestration and agricultural qualities. This led to the investigation into the possible use ...
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 ...
Effect of biochar on selected soil physical properties of sandy soil with low agricultural suitability
(Stellenbosch : Stellenbosch University, 2012-03)
ENGLISH ABSTRACT: Biochar has been labelled to be a key factor in the global carbon mitigation act and has
been described as the modern day equivalent (terra nova) to the terra preta dark earth
soils of the Brazilian ...
Organic and mineral fertilizer field trial on rooibos tea under Northern Cape climatic conditions
(Stellenbosch : Stellenbosch University, 2019-04)
ENGLISH ABSTRACT: Prior to this study there was little or no information regarding fertilizer recommendations for cultivated rooibos tea under Northern Cape growing conditions. The first aim of the study was to examine the ...
Improving phosphate fertilizer recommendations using soil phosphorus buffer capacity and evaluation of various P extraction tests on a variety of South-African soils
(Stellenbosch : Stellenbosch University, 2019-04)
ENGLISH ABSTRACT: Phosphorus (P) fertiliser recommendations are based on extractable P levels as measured by a variety of extraction tests and should incorporate factors such as depth, bulk density and the soils phosphorus ...