颁布单位：[University of the Free State] |  颁布时间：2013 |  实施时间：2013 |  学科分类：[["Thesis, (Ph.D., (Agricultural, Economics))--University, of, the, Free, State,, 2013","Grain, --, Storage, --, South, Africa, --, North-West","Grain, --, Handling, --, South, Africa, --, North-West","Farm, management, --, South, Africa, --, North-West","Agriculture, --, Economic, aspects","Farm, planning, model","On, farm, storage","Silobags","Graindams","Capital, management"]]

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颁布单位：[University of the Free State] |  颁布时间：2007 |  实施时间：2007 |  学科分类：[["Thesis, (Ph.D., (Agriculture, Economics))--University, of, the, Free, State,, 2007","Water, salinization, --, South, Africa","Irrigation, farming, --, Economic, aspects, --, South, Africa","Soil, management, --, South, Africa"]]

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颁布单位：[University of the Free State] |  颁布时间：2007 |  实施时间：2007 |  学科分类：[["Water, salinization, --, South, Africa","Irrigation, farming, --, Economic, aspects, --, South, Africa","Soil, management, --, South, Africa","Thesis, (Ph.D., (Agricultural, Economics))--University, of, the, Free, State,, 2007"]]

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颁布单位：[University of the Free State] |  颁布时间：2006 |  实施时间：2006 |  学科分类：[["Thesis, (Ph.D., (Animal,, Wildlife, and, Grassland, Sciences))--University, of, the, Free, State,, 2006","Range, management, --, Ethiopia","Pastures, --, Ethiopia, --, Somali, Region","Pastures, --, Economic, aspects, --, Ethiopia, --, Somali, Region","Rangelands, --, Ethiopia, --, Somali, Region","Drought, simulation, feeding","Grazing/browsing, capacity","Soil, degradation","Soil, characteristics","Key, fodder, species","Pastoral, perceptions","Grazing, behaviour","Rangeland, condition","Degradation, gradient","Biodiversity"]]

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颁布单位：[University of the Free State] |  颁布时间：2003 |  实施时间：2003 |  学科分类：[["Farms,, Size, of, --, Ethiopia","Farm, management, --, Ethiopia","Agriculture, --, Economic, aspects, --, Ethiopia","Agricultural, machinery","Thesis, (Ph.D., (Agricultural, Economics))--University, of, the, Free, State,, 2003"]]

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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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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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