已收录 272933 条政策
分类导航
检索结果
已选条件:
South
<符合条件的数据共：107条>
排序方式
登录后可批量下载(统一登录，激活码登录)
  • Root dynamics and water studies on Opuntia ficus-indica and O.robusta
    颁布单位：[University of the Free State] |  颁布时间：2003 |  实施时间：2003 |  学科分类：[["Cactus, pear","Water, stress","Taproots","Side, roots","Rain, roots","Root, mass","Root, length","Water-use, efficiency","Root/cladodes, ratio","Root, distribution.","Prickly, pears, --, South, Africa","Roots, (Botany), --, Growth, --, Measurement","Plant-water, relationships","Plant-soil, relationships","Dissertation, (M.Sc.Agric., (Grassland, Science))--University, of, the, Free, State,, 2003"]]
    预览  |  原文链接    [浏览：3 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]
  • A genetic evaluation of production traits in Nguni cattle
    颁布单位：[University of the Free State] |  颁布时间：2003 |  实施时间：2003 |  学科分类：[["Nguni, cattle","Indigenous, cattle","Genetic, parameters","Genotype, environment, interaction","Herd-year-season, sire, interaction","Genotype, ecological, region, interaction","Environmental, sensitivity","Growth, traits","Dam, line","Nguni, cattle, --, South, Africa, --, Breeding","Dissertation, (M.Sc.Agric., (Animal,, Wildlife, and, Grassland, Sciences))--University, of, the, Free, State,, 2003"]]
    预览  |  原文链接    [浏览：0 下载：0]
  • Host-pathogen studies of wheat leaf rust resistance in Triticum turgidum
    颁布单位：[University of the Free State] |  颁布时间：2003 |  实施时间：2003 |  学科分类：[["Wheat, rusts, --, South, Africa","Wheat, --, Disease, and, pest, resistance","Phytopathogenic, microorganisms","Dissertation, (M.Sc.Agric., (Plant, Sciences, (Genetics))--University, of, the, Free, State,, 2003"]]
    预览  |  原文链接    [浏览：0 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]
  • Genotype x environment analysis in sunflower (Helianthus annuus) in South Africa
    颁布单位：[University of the Free State] |  颁布时间：2003 |  实施时间：2003 |  学科分类：[["Sunflowers, --, genetics","Genotype, -environment, interaction","Sunflowers, --, Breeding, --, South, Africa","Dissertation, (M.Sc.Agric., (Plant, Sciences:, Plant, Breeding))--University, of, the, Free, State,, 2003"]]
    预览  |  原文链接    [浏览：0 下载：0]
  • Genotype x environment analysis in sunflower (Helianthus annuus) in South Africa
    颁布单位：[University of the Free State] |  颁布时间：2003 |  实施时间：2003 |  学科分类：[["Genotype-environment, interaction","Sunflowers, --, Genetics","Sunflowers, --, Breeding, --, South, Africa","Dissertation, (M.Sc.Agric., (Plant, Sciences:, Plant, Breeding))--University, of, the, Free, State,, 2003"]]
    预览  |  原文链接    [浏览：37 下载：0]
  • Optimal allocation of water resource in irrigated farming at the Ramah Canal Vanderkloof Dam
    颁布单位：[University of the Free State] |  颁布时间：2002 |  实施时间：2002 |  学科分类：[["Water, resource, development, --, South, Africa, --, Vanderkloof, Dam","Farm, management, --, South, Africa, --, Vanderkloof, Dam","Irrigation, scheduling, --, South, Africa, --, Vanderkloof, Dam","Dissertation, (M.Sc.Agric., (Agricultural, Economics))--University, of, the, Free, State,, 2002"]]
    预览  |  原文链接    [浏览：0 下载：0]
  • Genetic variability for yield and quality characteristics in South African pumpkin (Cucurbita maxima Duch.)
    颁布单位：[University of the Free State] |  颁布时间：2002 |  实施时间：2002 |  学科分类：[["Pumpkin, --, Breeding, --, South, Africa","Pumpkin, --, Genetics","Dissertation, (M.Sc.Agric., (Plant, Sciences, (Plant, Breeding))--University, of, the, Free, State,, 2002"]]
    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]