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Behaviour of sesquioxic clay soils subjected to alkaline and saline effluents
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.G. Thompson --- ,The effects of disposal of alkaline and saline effluents on sesquioxic red clay soils have been monitored for many years on a site in the eastern Transvaal. Recently a high chloride content effluent with a sodium adsorption ratio (SAR) of... -
Sodicity phenomena in red sesquioxic clay subsoils
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.G. Thompson --- ,Monitoring for many years of the soils of an effluent disposal site in the eastern Transvaal has shown that the disposal of alkaline and saline effluents on red sesquioxic clays has not appreciably affected soil permeability but has brought about... -
A comparison beween short-term chemical and biological methods to measure phosphorus availability in sludge-amended sesquioxic soils
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M.J. McLaughlin --- , Republic of South AfricaDue to the transformations which sludge undergoes after addition to soil, single measurements of P availability are of little value in soils which have recently received additions of sewage sludge. This study assessed six procedures on two soils—a clay of...