颁布单位：[University of the Free State] |  颁布时间：2009 |  实施时间：2009 |  学科分类：[["Dissertation, (M.Sc.Agric., (Soil,, Crop, and, Climate, Science))--University, of, the, Free, State,, 2009","Corn, --, Weed, control","Herbicides, --, Environmental, aspects","Tolerance","Temperature","Seed, size","Planting, depth","Maize, cultivar","Phytotoxicity","Clay, percentage","Acetochlor"]]

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颁布单位：[University of the Free State] |  颁布时间：2009 |  实施时间：2009 |  学科分类：[["Water, harvesting, --, South, Africa, --, Glen","Conservation, tillage","Dissertation, (M.Sc., Agric., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2009","Irrigation, --, South, Africa, --, Glen"]]

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颁布单位：[University of the Free State] |  颁布时间：2009 |  实施时间：2009 |  学科分类：[["Dissertation, (M.Sc.Agric., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2009","Cotton, --, Irrigation, --, South, Africa","Cotton, --, Growth","Crop, yields, --, South, Africa","Gossypium, hirsutum"]]

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颁布单位：[University of the Free State] |  颁布时间：2009 |  实施时间：2009 |  学科分类：[["Soil, permeability, --, South, Africa, --, Bloemfontein","Soil, moisture, --, South, Africa, --, Bloemfontein","Dissertation, (M.Sc.Agric., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2009"]]

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颁布单位：[University of the Free State] |  颁布时间：2009 |  实施时间：2009 |  学科分类：[["Soil","Salinity","Sodicity","Alkalinity","Geology","Topography","Climate","Salt, affected, soil","Soil, chemistry","Soils, --, South, Africa","Thesis, (Ph.D., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2009"]]

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颁布单位：[University of the Free State] |  颁布时间：2009 |  实施时间：2009 |  学科分类：[["Dissertation, (M.Sc.Agric., (Agronomy:, Crop, and, Stress, Physiology))--University, of, the, Free, State,, 2009","Corn, --, Morphology","Corn, --, Physiology","Corn, --, Yields","Seed, treatment","Seedling, growth","Fertilizer, products, metabolic, response","Growth, regulators"]]

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颁布单位：[University of the Free State] |  颁布时间：2009 |  实施时间：2009 |  学科分类：[["Dissertation, (M.Sc., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2009","Sugarcane, --, Mauritius","Soils, --, Phosphorus, content, --, Mauritius","Phosphatic, fertilizers, --, Mauritius","P, usage","0.1M, H2SO4, extractable, P","0.01M, CaCl2-P","Soil, characteristics","Threshold, range","Degree, of, saturation","Soil, testing"]]

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颁布单位：[University of the Free State] |  颁布时间：2009 |  实施时间：2009 |  学科分类：[["Carrots, --, Physiology","Carrots, --, Fertilizers","Carrots, --, Yields","Thesis, (Ph.D., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2009"]]

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颁布单位：[University of the Free State] |  颁布时间：2009 |  实施时间：2009 |  学科分类：[["Fulvic, acid","Humic, acid","Organic, carbon","Soil, organic, matter","Organic, nitrogen","Humus","Land, use, --, Envrionmental, aspects","Soil, fertility, --, South, Africa, --, Free, State","Dissertation, (M.Sc., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2009"]]

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