颁布单位：[University of the Free State] |  颁布时间：2001 |  实施时间：2001 |  学科分类：[["Fuzzy, logic","Groundwater","Risk, assessments","Sustainability","Contamination","Health","Aquatic, ecosystems","South, African, Water, Act","Cost-benefit-risk, analysis","Groundwater, --, Management","Aquifers, --, South, Africa","Water, resources, --, Environmental, aspects","Environmental, protection","Thesis, (Ph.D., (Geoydrology))--University, of, the, Free, State,, 2001"]]

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颁布单位：[University of the Free State] |  颁布时间：2001 |  实施时间：2001 |  学科分类：[["Durum, wheat, --, Water, requirements","Durum, wheat, --, Effect, of, drought, on","Durum, wheat","Dissertation, (M.Sc.Agric., (Plant, Breeding))--University, of, the, Free, State,, 2001"]]

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颁布单位：[University of the Free State] |  颁布时间：2001 |  实施时间：2001 |  学科分类：[["Sugarcane, --, Effect, of, drought, on","Sugarcane, --, Water, requirements","Sugarcane, --, Climatic, factors","Dissertation, (M.Sc.Agric., (Agrometeorology))--University, of, the, Free, State,, 2002"]]

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颁布单位：[University of the Free State] |  颁布时间：2001 |  实施时间：2001 |  学科分类：[["Grasses, --, Growth","Grasses, --, Water, requirements","Dissertation, (M.Sc., Agric., (Grassland, Science))--University, of, the, Free, State,, 2001"]]

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颁布单位：[University of the Free State] |  颁布时间：2001 |  实施时间：2001 |  学科分类：[["Wheat, --, Ethiopia, --, Water, requirements","Plant-water, relationships, --, Ethiopia","Wheat, --, Effect, of, drought, on","Dissertation, (M.Sc.Agric., (Agronomy, and, Plant, Breeding))--University, of, the, Free, State,, 2001"]]

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