已收录 271055 条政策
分类导航
检索结果
已选条件:
--
<符合条件的数据共：42条>
排序方式
登录后可批量下载(统一登录，激活码登录)
  • Effect of different cryodiluents on Nguni bull semen viability and in vitro fertilizing capacity
    颁布单位：[University of the Free State] |  颁布时间：2010 |  实施时间：2010 |  学科分类：[["Nguni, cattle, --, Breeding","Nguni, cattle, --, Artificial, insemination","Fertilization, in, vitro","Nguni, cattle, --, Germplasm, resources, --, Cryopreservation","Dissertation, (M.Sc., Agric., (Animal,, Wildlife, and, Grassland, Sciences))--University, of, the, Free, State,, 2010"]]
    预览  |  原文链接    [浏览：0 下载：0]
  • Phytosociological study of the riparian and associated wetland vegetation along the Vet River, Free State Province, South Africa
    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., (Plant, Sciences))--University, of, the, Free, State,, 2012","Wetland, plants, --, South, Africa, --, Free, State, --, Classification","Riparian, areas, --, South, Africa, --, Free, State","Plant, communities, --, South, Africa, --, Free, State","Braun-Blanquet, method","CANOCO","JUICE","Ordination","Phytososiology","Riparian, areas","TWINSPAN","Vegetation, analysis","Vegetation, classification","Vet, River"]]
    预览  |  原文链接    [浏览：0 下载：0]
  • Evaluation of techniques to determine the production potential of cultivated pastures
    颁布单位：[University of the Free State] |  颁布时间：2009 |  实施时间：2009 |  学科分类：[["Dry, matter","Herbage, biomass","Botanical, composition","Cultivated, pasture","Rising, plate, meter","Comparative, yield, method","Meter, stick","Dry-weight-rank, method","Pastures, --, South, Africa, --, Management","Forage, plants","Pastures, --, Growth, --, Measurement, --, Evaluation","Dissertation, (M.Sc., (Animal,, Wildlife, and, Grassland, Sciences))--University, of, the, Free, State,, 2009"]]
    预览  |  原文链接    [浏览：10 下载：0]
  • In-field runoff and soil water storage on duplex soils at Paradys Experimental Farm
    颁布单位：[University of the Free State] |  颁布时间：2009 |  实施时间：2009 |  学科分类：[["Water, harvesting, --, South, Africa, --, Glen","Conservation, tillage","Dissertation, (M.Sc., Agric., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2009","Irrigation, --, South, Africa, --, Glen"]]
    预览  |  原文链接    [浏览：0 下载：0]
  • Evaluation of the phosphorus status of sugarcane soils in Mauritius using agronomic and environmental criteria
    颁布单位：[University of the Free State] |  颁布时间：2009 |  实施时间：2009 |  学科分类：[["Dissertation, (M.Sc., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2009","Sugarcane, --, Mauritius","Soils, --, Phosphorus, content, --, Mauritius","Phosphatic, fertilizers, --, Mauritius","P, usage","0.1M, H2SO4, extractable, P","0.01M, CaCl2-P","Soil, characteristics","Threshold, range","Degree, of, saturation","Soil, testing"]]
    预览  |  原文链接    [浏览：3 下载：0]
  • The influence of land use on humic substances in three semi-arid agro-ecosystems in the Free State
    颁布单位：[University of the Free State] |  颁布时间：2009 |  实施时间：2009 |  学科分类：[["Fulvic, acid","Humic, acid","Organic, carbon","Soil, organic, matter","Organic, nitrogen","Humus","Land, use, --, Envrionmental, aspects","Soil, fertility, --, South, Africa, --, Free, State","Dissertation, (M.Sc., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2009"]]
    预览  |  原文链接    [浏览：3 下载：0]
  • Spatial variatbility [sic] of selected soil properties in and between map units
    颁布单位：[University of the Free State] |  颁布时间：2008 |  实施时间：2008 |  学科分类：[["Soil, chemistry, --, South, Africa, --, Free, State","Soil, mapping, --, South, Africa, --, Free, State","Landforms, --, South, Africa, --, Free, State","Dissertation, (M.Sc., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2008"]]
    预览  |  原文链接    [浏览：16 下载：1]
  • An investigation into possible sugar signaling events during the infection of wheat with Puccinia triticina
    颁布单位：[University of the Free State] |  颁布时间：2007 |  实施时间：2007 |  学科分类：[["Wheat, --, Breeding, --, South, Africa","Wheat, --, Disease, and, pest, resistance, --, South, Africa","Leaf, rust, of, wheat, --, South, Africa","Dissertation, (M.Sc., (Plant, Sciences))--University, of, the, Free, State,, 2007"]]
    预览  |  原文链接    [浏览：0 下载：0]
  • Identification of a putative protein kinase gene involved in the resistant response of sunflower to rust
    颁布单位：[University of the Free State] |  颁布时间：2006 |  实施时间：2006 |  学科分类：[["Dissertation, (M.Sc., (Plant, Sciences))--University, of, the, Free, State,, 2004","Sunflowers, --, Disease, and, pest, resistance, --, Genetic, aspects","Sunflowers, --, Diseases, and, pests","Rust, diseases, --, South, Africa","Puccinia, helianthi","DDRT-PCR","Protein, kinase, gene","Plant, defense","Helianthus, annuus"]]
    预览  |  原文链接    [浏览：0 下载：0]
  • Citric acid induced phytoextraction of heavy metals from uranium contaminated soils
    颁布单位：[University of the Free State] |  颁布时间：2006 |  实施时间：2006 |  学科分类：[["Molybdenum","Phytoextraction","Arsenic","Sunflower","Indian, mustard","Citric, acid","Low-level-, and, high-level, contaminated, soil","Uranium","Remediation","Karoo, Uranium, Province","Soil, remediation","Phytoremediation","Plants, --, Effect, of, heavy, metals, on","Soils, --, Uranium, content","Dissertation, (M.Sc., (Plant, Sciences))--University, of, the, Free, State,, 2006"]]
    预览  |  原文链接    [浏览：0 下载：0]