Johan van Tol, Pieter Le Roux and Malcolm Hensley
Department Soil, Crop and Climate Sciences, University of the Free State South Africa
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“The demand for water doubles every 20 years which is more than twice the rate of the world’s population growth. New water resources are becoming scarcer and to treat and remediate existing sources more expensive (Clothier et al., 2008). The protection and management of surface and groundwater resources, especially in the highly variable water regime of semi-arid areas, requires accurate analysis of hydrological processes….”
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