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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 ...
Evaluation of the effects of an orange-oil based soil ameliorant on soil water management
(Stellenbosch : Stellenbosch University, 2013-03)
ENGLISH ABSTRACT: Soil amelioration and conditioning is desirable and in many cases essential, due to increasing food demand and the deterioration and exhaustion of soils. A new soil ameliorant, consisting of orange oil ...