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  • Influence of long-term wheat residue management on some fertility indicators of an avalon soil at Bethlehem
    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"]]
    预览  |  原文链接    [浏览：4 下载：0]
  • Response of Ethiopian field pea (Pisum sativum L.) cultivars to phosophorus fertilization of Nitosols
    颁布单位：[University of the Free State] |  颁布时间：2003 |  实施时间：2003 |  学科分类：[["Phosphorus, in, agriculture, --, Ethiopia","Phosphatic, fertilizers, --, Ethiopia","Peas, --, Fertilizers, --, Ethiopia","Thesis, (Ph.D., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2003"]]
    预览  |  原文链接    [浏览：7 下载：0]
  • Evaluating maize production potential of selected semi-arid ecotopes using a water balance model
    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"]]
    预览  |  原文链接    [浏览：0 下载：0]
  • Changes in the phosphorus status of soils and the influence on maize yield
    颁布单位：[University of the Free State] |  颁布时间：2003 |  实施时间：2003 |  学科分类：[["Ambic, 1","Bray, 1","Extractable, P","P, fertilizer, guidelines","P, requirement, factors","Relationships","Soil, thresholds","Soil, properties","Corn, --, Fertilizers, --, South, Africa, --, KwaZulu-Natal","Soils, --, Phosphorus, content, --, South, Africa, --, KwaZulu-Natal","Phosphatic, fertilizers, --, South, Africa, --, KwaZulu-Natal","Thesis, (Ph.D., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2003"]]
    预览  |  原文链接    [浏览：3 下载：0]
  • Grondversuring en bekalking van Oos-Vrystaatse gronde onder droëlandkoring
    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"]]
    预览  |  原文链接    [浏览：0 下载：0]
  • Estimating water retention for major soils in the Hararghe region, Eastern Ethiopia
    颁布单位：[University of the Free State] |  颁布时间：2003 |  实施时间：2003 |  学科分类：[["Water, content","Water, retention, characteristic, curve","Matric, potential","Pedotransfer, functions","Silt, plus, clay, content","Silt, to, clay, ratio","Water, retention, functions","Soil, moisture, --, Ethiopia","Soils, --, Ethiopia.","Thesis, (Ph.D., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2003"]]
    预览  |  原文链接    [浏览：6 下载：0]
  • Water and nutrient distribution during trickle irrigation on three soils
    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"]]
    预览  |  原文链接    [浏览：0 下载：0]
  • An investigation into the biocatalytic and antimicrobial properties of Eucomis autumnalis Mill. bulbs
    颁布单位：[University of the Free State] |  颁布时间：2003 |  实施时间：2003 |  学科分类：[["Natural, products","Alternative, crops","Eucomis, autumnalis","Antifungal, properties","Active, ingredients","Flavonoids","Natural, products, in, agriculture","Fungal, diseases, of, plants","Anti-infective, agents","Medicinal, plants, --, Diseases, and, pests","Dissertation, (M.Sc., Agric., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2003"]]
    预览  |  原文链接    [浏览：0 下载：0]
  • A laboratory characterization of the upward flux of nitrate from a shallow water table in a sandy loam soil
    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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  • Biokatalitiese komponente in sade van enkele spesies uit die families Fabaceae en Caryophyllaceae
    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"]]
    预览  |  原文链接    [浏览：0 下载：0]