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water
2002
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  • A laboratory characterization of the upward flux of nitrate from a shallow water table in a sandy loam soil
    颁布单位：[University of the Free State] |  颁布时间：2002 |  实施时间：2002 |  学科分类：[["Upward, mass, flow","Groundwater, nitrate, concentration","Shallow, water, tables","Dissertation, (M.Sc.Agric., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2002","Nitrates, --, Environmental, aspects","Groundwater, tracers","Hydrogeology, --, Methodology","Water, table"]]
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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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