Final Report – A feasibility study on a regenerative integrated cropping & livestock business case model as a mine closure tool and post-closure land use for differently rehabilitated land capability classes
Feasibility study on a regenerative integrated cropping & livestock business case model as a mine closure tool and post-closure land use for differently rehabilitated land capability classes
PROJECT NUMBER: E2022-2
Prepared by Prof Wayne Truter and Dr Emmanuel Cele| Enterprises University of Pretoria| October 2025
R1500,00
Description
Conducted under the Coaltech Research Organisation (2022–2025), the research evaluated differently aged, rehabilitated coal-mined lands (4–30 years post-rehabilitation) across threeMpumalanga mines, focusing on soil recovery, pasture performance, forage quality, and theeconomic feasibility of integrating livestock within rehabilitated systems. Complementaryfield trials tested integrated cropping, zero grazing and grazing pressure effects on soil,vegetation, and forage dynamics under controlled conditions.
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What this report foundAbout 3.19 billion tons of coal now sits underground in pillars, growing by roughly 110 million tons a year under current bord and pillar practice.
R1500,00
About 3.19 billion tons of coal now sits underground in pillars, growing by roughly 110 million tons a year under current bord and pillar practice. Pillars with a safety factor of about 1.8 or higher can be extracted successfully, and 1.5 is permissible in thin seams where the pillar width to height ratio exceeds 10.
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What this report foundMarket prices are set out for sodium sulphate, sodium chloride, sodium nitrate, potassium nitrate and potassium chloride, in South Africa and abroad, as at...
R1500,00
Market prices are set out for sodium sulphate, sodium chloride, sodium nitrate, potassium nitrate and potassium chloride, in South Africa and abroad, as at early 2011, with Chinese supplier quotes alongside United States averages. The work was done to test whether salts recovered from mine water brine could be sold at a worthwhile price.