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  • The economic effects of poor and fluctuating irrigation water salinity levels in the lower Vaal and Riet Rivers
    颁布单位：[University of the Free State] |  颁布时间：2002 |  实施时间：2002 |  学科分类：[["Dissertation, (M.Sc.Agric., (Agricultural, Economics))--University, of, the, Free, State,, 2002","Water, salinization, --, South, Africa, --, Costs","Irrigation, farming, --, Economic, aspects, --, South, Africa","Linear, programming, optimisation","Farm, level, model","SALMOD","Farm, level, management, options","Policy, Guidelines","Lower, Vaal, and, Riet, Rivers","Economic, impact","Irrigation, agriculture","Irrigation, water, salinity","Soil, salinisation"]]
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  • The economic effects of poor and fluctuating irrigation water salinity levels in the lower Vaal and Riet Rivers
    颁布单位：[University of the Free State] |  颁布时间：2002 |  实施时间：2002 |  学科分类：[["Economic, impact","Irrigation, agriculture","Irrigation, water, salinity","Soil, salinisation","Linear, programming, optimisation","Farm, level, model","SALMOD","Farm, level, management, options","Policy, guidelines","Lower, Vaal, and, Riet, Rivers","Water, salinization, --, South, Africa, --, Costs","Irrigation, farming, --, Economic, aspects, --, South, Africa","Dissertation, (M.Sc.Agric., (Agricultural, Economics))--University, of, the, Free, State,, 2002"]]
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  • Taxing agriculture: an analysis of a possible land and capital gains tax
    颁布单位：[University of the Free State] |  颁布时间：2001 |  实施时间：2001 |  学科分类：[["Real, property, tax, --, South, Africa.","Agriculture, --, Taxation, --, South, Africa","Dissertation, (M.Sc.Agric., (Agricultural, Economics))--University, of, the, Free, State,, 2001"]]
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  • 'n Ekonomiese evaluering van alternatiewe spilpuntbeleggingstrategieë in die Suid-Vrystaat substreek met inagneming van risiko
    颁布单位：[University of the Free State] |  颁布时间：1989 |  实施时间：1989 |  学科分类：[["Dissertation, (M.Sc.Agric., (Agricultural, Economics)), University, of, the, Orange, Free, State,, 1990","Agricultural, productivity, --, South, Africa, --, Southern, Free, State","Agriculture, --, Economic, aspects, --, South, Africa, --, Southern, Free, State","Irrigation, --, Economic, aspects, --, South, Africa, --, South, Free, State"]]
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  • 'n Ekonomiese evaluasie van sommige gewasopvolgingstelsels onder droëlandtoestande in die Middel-Vrystaat
    颁布单位：[University of the Free State] |  颁布时间：1985 |  实施时间：1985 |  学科分类：[["Agriculture, --, Economic, aspects, --, South, Africa, --, Free, State","Shifting, agriculture, --, South, Africa, --, Free, State","Dissertation, (M.Sc.Agric., (Agricultural, Economics))--University, of, the, Free, State,, 1985"]]
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  • Temperatuurstudie van die Oranjeriviergebied met die oog op gewasverbouing
    颁布单位：[University of the Free State] |  颁布时间：1971 |  实施时间：1971 |  学科分类：[["Plants,, Cultivated","Plants,, Cultivated, --, Free, State","Plants, --, Effect, of, hail, on","Harvest, and, climate","Dissertation, (M.Sc.Agric., (Agricultural, Sciences))--University, of, the, Free, State,, 1971"]]
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