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  • The effect of nitrogen, phosphorus and potassium fertilisation on the growth, yield and quality of Lachenalia
    颁布单位：[University of the Free State] |  颁布时间：2004 |  实施时间：2004 |  学科分类：[["Bulb, quality","Inflorescence, quality","Leaf, area","Peduncle, length","Florets, quality","Lachenalia, --, South, Africa","Thesis, (Ph.D., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2004","Bulbs, (Plants), --, Fertilizers, --, South, Africa"]]
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  • A soilscape survey to evaluate land for in-field rainwater harvesting in the Free State Province, South Africa
    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"]]
    预览  |  原文链接    [浏览：0 下载：0]
  • Field comparison of resource utilization and productivity of three grain legume species under water stress
    颁布单位：[University of the Free State] |  颁布时间：2004 |  实施时间：2004 |  学科分类：[["Beans","Chickpea","Cowpea","Gas, exchange","Radiation, use, efficiency","Resource, utilization","Productivity","Semi-arid, environment","Water, deficit","Water, use, efficiency","Legumes, --, Water, requirements, --, Ethiopia","Legumes, --, Ethiopia, --, Growth","Thesis, (Ph.D., (Soil,, Crop, and, Climate, Sciences, (Agrometeorology))--University, of, the, Free, State,, 2004"]]
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  • Improvement of growth and yield of bread wheat by means of chemical manipulation under glass house
    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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  • 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"]]
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  • 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"]]
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  • 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"]]
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  • 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"]]
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  • 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"]]
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  • 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"]]
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