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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颁布单位：[University of the Free State] |  颁布时间：2002 |  实施时间：2002 |  学科分类：[["Fabaceae","Caryophyllaceae","Acacia, erioloba","Biocatalytic, activity","Respiration, rate","Seedling, growth","2-Ethylhexylphtalate","Enzymes, --, Analysis","Dissertation, (M.Sc.Agric., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2002","Plant, regulators"]]

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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：[["Nitrogen, fertilisation","FAN","Cultivar","Yield","Soil, nitrate","Leaf, analysis","Shoot, elongation","Grapes, --, Fertilizers","Nitrogen, fertilizers","Wine, and, wine, making","Dissertation, (M.Sc.Agric., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2002"]]

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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：[["Coarse-textured, soils","Organic, carbon","Semi-arid, agro-ecosystems","Sustainable, agriculture","Total, nitrogen","Soils, --, Nitrogen, content","Agricultural, ecology","Soil, fertility, --, South, Africa, --, Free, State","Dissertation, (M.Sc.Agric., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2002"]]

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