已收录 272643 条政策
分类导航
检索结果
已选条件:
water
<符合条件的数据共：7条>
排序方式
登录后可批量下载(统一登录，激活码登录)
  • Quantifying spatio-temporal soil water content using electromagnetic induction
    颁布单位：[University of the Free State] |  颁布时间：2017 |  实施时间：2017 |  学科分类：[["EMI","EM38-MK2","EC�?interference","Soil, water, content","Calibration","Soil, heterogeneity","Site-specific, calibration","Mapping","Water-supply","Spatial, and, temporal, water, characterization","Dissertation, (M.Sc.Agric., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2017"]]
    预览  |  原文链接    [浏览：0 下载：0]
  • Response of pearl millet to water stress during vegetable growth
    颁布单位：[University of the Free State] |  颁布时间：2010 |  实施时间：2010 |  学科分类：[["Dissertation, (M.Sc.Agric., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State","Pearl, millet, --, Growth","Pearl, millet, --, Effect, of, drought, on","Drought, adaptibility","Relative, water, content","Osmotic, potential","Stomatal, characteristics","Stomatal, conductance","Leaf, water, potential","Vegetative, growth","Water, stress"]]
    预览  |  原文链接    [浏览：0 下载：0]
  • Effect of varying degrees of water saturation on redox conditions in a yellow brown apedal B soil horizon
    颁布单位：[University of the Free State] |  颁布时间：2007 |  实施时间：2007 |  学科分类：[["Dissertation, (M.Sc.Agric., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2007","Soil, chemistry","Oxidation-reduction, reaction","Soil, absorption, and, adsorption","Soil, characterization","Chemistry,, Organic","Manganese","Iron","Bulk, density","Duration, of, water, saturation","Degree, of, water, saturation","Redox","Basic, cations","B, horizon"]]
    预览  |  原文链接    [浏览：3 下载：0]
  • The effect of water quality on the growth and yield of irrigated crops
    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"]]
    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"]]
    预览  |  原文链接    [浏览：0 下载：0]
  • The economic effects of poor and fluctuating irrigation water salinity levels in the lower Vaal and Riet Rivers
    颁布单位：[University of the Free State] |  颁布时间：2002 |  实施时间：2002 |  学科分类：[["Dissertation, (M.Sc.Agric., (Agricultural, Economics))--University, of, the, Free, State,, 2002","Water, salinization, --, South, Africa, --, Costs","Irrigation, farming, --, Economic, aspects, --, South, Africa","Linear, programming, optimisation","Farm, level, model","SALMOD","Farm, level, management, options","Policy, Guidelines","Lower, Vaal, and, Riet, Rivers","Economic, impact","Irrigation, agriculture","Irrigation, water, salinity","Soil, salinisation"]]
    预览  |  原文链接    [浏览：0 下载：0]
  • The economic effects of poor and fluctuating irrigation water salinity levels in the lower Vaal and Riet Rivers
    颁布单位：[University of the Free State] |  颁布时间：2002 |  实施时间：2002 |  学科分类：[["Economic, impact","Irrigation, agriculture","Irrigation, water, salinity","Soil, salinisation","Linear, programming, optimisation","Farm, level, model","SALMOD","Farm, level, management, options","Policy, guidelines","Lower, Vaal, and, Riet, Rivers","Water, salinization, --, South, Africa, --, Costs","Irrigation, farming, --, Economic, aspects, --, South, Africa","Dissertation, (M.Sc.Agric., (Agricultural, Economics))--University, of, the, Free, State,, 2002"]]
    预览  |  原文链接    [浏览：9 下载：0]