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Influence of intensive irrigation and cultivation on selected soil properties: Arid southern Namibia
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: E. Verster --- Department of Geography, Republic of South Africa T.H. van Rooyen --- Department of Geography, Republic of South AfricaThe effect of long-term (25 years) intensive irrigation on selected soil properties of the Hardap Irrigation Scheme was determined by comparing soil profiles in irrigated and adjacent non-irrigated areas. The major differences detected between five soil pairs were rubification of... -
Amelioration of acidic soil with an ettringitic by-product of waste water treatment
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M.V. Fey --- Department of Geological Sciences, South Africa I.R. Tomlinson --- Department of Geological Sciences, South Africa J.P. Willis --- Department of Geological Sciences, South AfricaEttringite (Ca12AI14(OH)24(SO)6 52H2O) is the main by-product of a saline water beneficiaron process currently being evaluated by coal-based industries. The study aimed to quantify and explain the benefits of using this alkaline waste to ameliorate acidic soils by comparing its... -
Effect of lime source, fineness and granulation on neutralisation of soil pH
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Dawid JJ du Toit --- , South Africa Pieter A Swanepoel --- , South Africa Ailsa G Hardie --- , South AfricaLittle information is available regarding the liming efficiency of various local lime sources and products currently available in South Africa. Recently, granulated micro-fine limes are being widely marketed as being superior to class A limes. Therefore, the aim of this...