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  • Response of crops on shallow water table soils irrigated with deteriorating water qualities
    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"]]
    预览  |  原文链接    [浏览：6 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：5 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：8 下载：0]
  • A strategy for linking South Africa to the Water Programme of the United Nations Global Environmental Monitoring System (GEMS)
    颁布单位：[University of the Free State] |  颁布时间：2005 |  实施时间：2005 |  学科分类：[["Thesis, (Ph.D., (Environmental, Management))--University, of, the, Free, State,, 2005","Global, Environmental, Monitoring, System","Environmental, monitoring","Water, quality, management, --, South, Africa","International, cooperation","Agenda, 21","Global, baseline","Global, trends","Monitoring, network, design","Quality, assurance","South, African, water, quality, monitoring","Global, monitoring","Global, river, flux"]]
    预览  |  原文链接    [浏览：12 下载：0]
  • A proposed method to implement a groundwater resource information project (GRIP) in rural communities, South Africa
    颁布单位：[University of the Free State] |  颁布时间：2005 |  实施时间：2005 |  学科分类：[["Groundwater, --, Management","Water-supply, --, South, Africa, --, Management","Integrated, water, development, --, South, Africa, --, Limpopo","Thesis, (Ph.D., (Geohydrology))--University, of, the, Free, State,, 2005"]]
    预览  |  原文链接    [浏览：14 下载：0]
  • Site characterization and risk assessment of organic groundwater contaminants in 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：[["Industries","NAPL","Risk, assessment","Dissertation, (M.Sc., (Institute, for, Groundwater, Studies))--University, of, the, Free, State,, 2004","Organic, pollution","Site, assessment","Site, characterization","Impact, assessment","Nonaqueous, phase, liquids, --, Environmental, aspects","Organic, water, pollutions, --, Transportation"]]
    预览  |  原文链接    [浏览：8 下载：0]
  • Investigation of water decant from underground collieries in Mpumalanga
    颁布单位：[University of the Free State] |  颁布时间：2003 |  实施时间：2003 |  学科分类：[["Coal, mines, and, mining, --, South, Africa, --, Mpumalanga","Mines, and, mineral, resources, --, Environmental, aspects","Mine, water, --, South, Africa, --, Mpumalanga","Dissertation, (M.Sc., (Institute, for, Groundwater, Studies))--University, of, the, Free, State,, 2003"]]
    预览  |  原文链接    [浏览：41 下载：0]
  • Comparing the precipitation use efficiency of maize-bean intercropping with sole cropping in a semi-arid ecotope
    颁布单位：[University of the Free State] |  颁布时间：2003 |  实施时间：2003 |  学科分类：[["Semi-arid, ecotope","Transpiration, efficiency, coefficient","Water, extraction","Radiation, interception","Radiation, use, efficiency","Soil, evaporation","Water, use","Precipitation, use, efficiency","Intercropping, --, Kenya","Crops, and, water, --, Kenya","Plant-water, relationships, --, Kenya","Cropping, systems, --, Kenya","Thesis, (Ph.D., (Agrometeorology))--University, of, the, Free, State,, 2003"]]
    预览  |  原文链接    [浏览：8 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：38 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：14 下载：0]