颁布单位：[University of the Free State] |  颁布时间：2004 |  实施时间：2004 |  学科分类：[["Prickly, pears, --, South, Africa","Prickly, pears, --, Yields","Foliar, feeding","Prickly, pears, --, Quality","Dissertation, (M.Sc.Agric., (Soil,, Crop, and, Climate, Sciences, (Agronomy))--University, of, the, Free, State,, 2004"]]

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颁布单位：[University of the Free State] |  颁布时间：2004 |  实施时间：2004 |  学科分类：[["Dissertation, (M.Sc.Agric., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2004","Soil, surveys, --, South, Africa, --, Free, State","Land, use, --, South, Africa, --, Free, State","Water, harvesting, --, South, Africa, --, Free, State"]]

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颁布单位：[University of the Free State] |  颁布时间：2004 |  实施时间：2004 |  学科分类：[["Wheat, --, Breeding","Wheat, --, Growth","Wheat, --, Fertilizers","Dissertation, (M.Sc.Agric., (Soil,, Crop, and, Climate, Sciences, (Agronomy))--University, of, the, Free, State,, 2004"]]

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颁布单位：[University of the Free State] |  颁布时间：2004 |  实施时间：2004 |  学科分类：[["Dissertation, (M.Sc.Agric., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2004","Soil, fertility, --, South, Africa, --, Free, State, --, Bethlehem","Crop, residue, management, --, South, Africa, --, Free, State, --, Bethlehem","Tillage, --, South, Africa, --, Free, State, --, Bethlehem","Organic, matter","Straw, disposal","Weed, control, methods","Soil, acidity","Plant, nutrients"]]

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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：[["Corn, --, South, Africa, --, Glen","Water, balance, (Hydrology), --, Measurement","Dissertation, (M.Sc.Agric., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2003"]]

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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：[["Aluminium, tolerance","Grain, quality","Grain, yield","Lime, requirement,","Nutrient, uptake","Wheat, cultivars","Liming, of, soils, --, South, Africa, --, Eastern, Free, State","Soil, acidity, --, South, Africa, --, Eastern, Free, State","Wheat, --, South, Africa, --, Eastern, Free, State","Dissertation, (M.Sc.Agric., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2003"]]

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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：[["Soil, texture","Emitter, discharge, rate","Width, to, depth, ratio","Inline, emitter, spacing","Lateral, spacing","Nitrate, distribution","Microirrigation","Soil, moisture","Fertilizers, --, Application","Dissertation, (M.Sc.Agric., (Soil,, Crop, and, Climate, Sciences))--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：[["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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