颁布单位：[University of the Free State] |  颁布时间：1980 |  实施时间：1980 |  学科分类：[["Dissertation, (M.Sc.Agric., (Animal,, Wildlife, and, Grassland, Science))--University, of, the, Free, State,, 1980","Soil, moisture, --, South, Africa","Water, quality, (Hydrology)","Savannas, --, South, Africa"]]

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