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  • 颁布单位:[University of the Free State] |  颁布时间:2008 |  实施时间:2008 |  学科分类:[["Nitrogen, application, level","Nitrogen, application, time","Leaf, number","Leaf, area","Leaf, fresh, mass","Leaf, dry, mass","Leaf, nitrogen, content","Leaf, nitrate, content","Swiss, chard, --, Fertilizers","Nitrogen, fertilizers","Swiss, chard, --, Yields","Swiss, chard, --, Quality","Dissertation, (M.Sc.Agric., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2008"]]
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  • 颁布单位:[University of the Free State] |  颁布时间:2008 |  实施时间:2008 |  学科分类:[["Precipitation, forecasting","Rain, and, rainfall, --, Mathematical, models","Climatic, changes, --, South, Africa, --, Mathematical, models","Rainfall, probabilities, --, South, Africa","Dissertation, (M.Sc.Agric., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2008"]]
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  • 颁布单位:[University of the Free State] |  颁布时间:2008 |  实施时间:2008 |  学科分类:[["Dissertation, (M.Sc.Agric., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2008","Humates","Soils, --, Potassium, content","Wheat, --, Growth","Wheat, --, Irrigation"]]
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  • 颁布单位:[University of the Free State] |  颁布时间:2007 |  实施时间:2007 |  学科分类:[["Plinthic, and, duplex, soils","Redox, conditions","Ferrolysis","Fe-Mn, redistribution","Toposequence","Colour","Mottling","Concretions","Texture, differentiation, (morphology)","Soil, formation, --, South, Africa, --, Free, State","Soil, texture, --, South, Africa, --, Free, State","Metals, --, Absorption, and, desorption","Soil, absorption, and, desorption","Dissertation, (M.Sc.Agric., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2007"]]
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  • 颁布单位:[University of the Free State] |  颁布时间:2007 |  实施时间:2007 |  学科分类:[["Shallow, water, table","Irrigation, water, quality","Osmotic, potential","Water, use, efficiency","Soil, salinity","Capillary, rise","Salinity, management","Saline, irrigation","Crops, --, Effect, of, salts, on","Irrigation, water, --, Quality","Thesis, (Ph.D., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2007"]]
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  • 颁布单位:[University of the Free State] |  颁布时间:2007 |  实施时间:2007 |  学科分类:[["Corn, --, Water, requirements, --, South, Africa, --, Fort, Hare","Water, harvesting, --, South, Africa, --, Fort, Hare","Rain, and, rainfall, --, South, Africa, --, Fort, Hare","Dissertation, (M.Sc.Agric., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2007"]]
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  • 颁布单位:[University of the Free State] |  颁布时间:2006 |  实施时间:2006 |  学科分类:[["Thesis, (Ph.D, (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2006","Rain, and, rainfall, --, Ethiopia","Water, harvesting, --, Ethiopia","Water, conservation, --, Ethiopia","Crop, production, --, Ethiopia"]]
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  • 颁布单位:[University of the Free State] |  颁布时间:2006 |  实施时间:2006 |  学科分类:[["Soils, --, Leaching","Soils,, Irrigated, --, South, Africa, --, Bloemfontein","Soils, --, Solute, movement","Crops, --, Nutrition","Dissertation, (M.Sc.Agric., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2006"]]
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  • 颁布单位:[University of the Free State] |  颁布时间:2006 |  实施时间:2006 |  学科分类:[["Germination","Growth","Yield","Salinity","Water, quality","Irrigation","Wheat","Maize","Peas","Beans","Irrigation, water, --, Quality","Soils,, Salts, in, --, South, Africa","Crops, --, Effect, of, salts, on, --, South, Africa","Dissertation, (M.Sc.Agric., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2006"]]
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  • 颁布单位:[University of the Free State] |  颁布时间:2006 |  实施时间:2006 |  学科分类:[["Thesis, (Ph.D., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2006","Corn, --, Fertilizers, --, Ethiopia","Tillage, --, Ethopia","Corn, --, Residues, --, Ethopia","Conventional, tillage","Minimum, tillage","Labeled, urea","Maize, genotype","Nitrogen, use, efficiency"]]
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