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The role of vegetation in characterising landscape function on rehabilitating gold tailings
(North-West University, 2008)
Gold mine waste poses a significant challenge for rehabilitation practitioners and can negatively impact on soil, air, surface water and groundwater quality. This, in turn, can affect the environmental quality of humans ...
The evaluation of different technologies to restore old cultivated lands
(North-West University, 2008)
As production costs for the cultivation of cash crops increased and government subsidies for farmers decreased and eventually stopped, the farmers stopped to cultivate the marginal to lower potential soils. The higher input ...