颁布单位：[University of the Free State] |  颁布时间：2012 |  实施时间：2012 |  学科分类：[["Drainage","Hydraulic, conductivity","Living, mulch","Rainfall, analysis","Risk, assessment","Runoff","Tillage","Sunflowers, --, South, Africa, --, Limpopo","Cowpea, --, South, Africa, --, Limpopo","Water, harvesting, --, South, Africa, --, Limpopo","Rainwater, --, South, Africa, --, Limpopo","Thesis, (Ph.D., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2012"]]

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颁布单位：[University of the Free State] |  颁布时间：2012 |  实施时间：2012 |  学科分类：[["Corn, --, Fertilizers","Corn, --, Nutrition","Corn, --, Yields","Thesis, (Ph.D., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2012"]]

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颁布单位：[University of the Free State] |  颁布时间：2012 |  实施时间：2012 |  学科分类：[["Dissertation, (M.Sc.Agric., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2012","Wheat, --, Residues","Soils, --, Quality","Wheat","Enzyme, activities","Organic, matter"]]

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颁布单位：[University of the Free State] |  颁布时间：2012 |  实施时间：2012 |  学科分类：[["Dissertation, (M.Sc.Agric., (Soil,, crop, and, climate, sciences))--University, of, the, Free, State,, 2012","Onions, --, Breeding"]]

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颁布单位：[University of the Free State] |  颁布时间：2012 |  实施时间：2012 |  学科分类：[["Threshold, value","Water, pollution","Crop, production","Soil, phosphorus, test","Soils, --, Phosphorus, content","Crop, science","Water, --, Pollution","Agronomy","Dissertation, (M.Sc.Agric., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2012"]]

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颁布单位：[University of the Free State] |  颁布时间：2012 |  实施时间：2012 |  学科分类：[["Onions, --, Breeding","Dissertation, (M.Sc.Agric., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2012"]]

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颁布单位：[University of the Free State] |  颁布时间：2012 |  实施时间：2012 |  学科分类：[["Soils, --, Carbon, content, --, South, Africa, --, Eastern, Cape","Soils, --, Nitrogen, content, --, Eastern, Cape","Soils, --, Organic, compound, content, --, South, Africa, --, Eastern, Cape","Afforestation, --, South, Africa, --, Eastern, Cape","Dissertation, (M.Sc., (Soil,, Crop, and, Climate, Studies))--University, of, the, Free, State,, 2012","Soil, organic, matter","Nitrogen, stocks","Carbon, stocks","Biomass"]]

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颁布单位：[University of the Free State] |  颁布时间：2012 |  实施时间：2012 |  学科分类：[["Wheat, --, Yield","Crop, residue, management","Nutrient, uptake","Dissertation, (M.Sc.Agric., (Soil,, Crop, and, Climate, Sciences), )--University, of, the, Free, State,, 2012","Residue, management","Soil, fertility","Wheat, grain, yield"]]

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颁布单位：[University of the Free State] |  颁布时间：2012 |  实施时间：2012 |  学科分类：[["Geraniums","Geraniums, --, Nutrient","Geraniums, --, Quality","Thesis, (Ph.D., (Soil,, Crop, and, Climate, Sciences, (Agronomy))--University, of, the, Free, State,, 2012"]]

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颁布单位：[University of the Free State] |  颁布时间：2012 |  实施时间：2012 |  学科分类：[["Corn, --, Fertilizers","Corn, --, Nutrition","Foliar, feeding","Phosphatic, fertilizers","Potassium, fertilizers","Corn, --, Effect, of, potassium, on","Thesis, (Ph.D., (Soil,, Crop, and, Climate, Sciences, (Agronomy))--University, of, the, Free, State,, 2012"]]

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