已收录 272983 条政策
分类导航
检索结果
已选条件:
(Soil,
<符合条件的数据共：78条>
排序方式
登录后可批量下载(统一登录，激活码登录)
  • 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]
  • 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"]]
    预览  |  原文链接    [浏览：6 下载：0]
  • Water and nutrient distribution during trickle irrigation on three soils
    颁布单位：[University of the Free State] |  颁布时间：2003 |  实施时间：2003 |  学科分类：[["Soil, texture","Emitter, discharge, rate","Width, to, depth, ratio","Inline, emitter, spacing","Lateral, spacing","Nitrate, distribution","Microirrigation","Soil, moisture","Fertilizers, --, Application","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]
  • An investigation into the biocatalytic and antimicrobial properties of Eucomis autumnalis Mill. bulbs
    颁布单位：[University of the Free State] |  颁布时间：2003 |  实施时间：2003 |  学科分类：[["Natural, products","Alternative, crops","Eucomis, autumnalis","Antifungal, properties","Active, ingredients","Flavonoids","Natural, products, in, agriculture","Fungal, diseases, of, plants","Anti-infective, agents","Medicinal, plants, --, Diseases, and, pests","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 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]
  • Biokatalitiese komponente in sade van enkele spesies uit die families Fabaceae en Caryophyllaceae
    颁布单位：[University of the Free State] |  颁布时间：2002 |  实施时间：2002 |  学科分类：[["Fabaceae","Caryophyllaceae","Acacia, erioloba","Biocatalytic, activity","Respiration, rate","Seedling, growth","2-Ethylhexylphtalate","Enzymes, --, Analysis","Dissertation, (M.Sc.Agric., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2002","Plant, regulators"]]
    预览  |  原文链接    [浏览：0 下载：0]
  • Improvement of the nitrogen content of grape must with fertilisation
    颁布单位：[University of the Free State] |  颁布时间：2002 |  实施时间：2002 |  学科分类：[["Nitrogen, fertilisation","FAN","Cultivar","Yield","Soil, nitrate","Leaf, analysis","Shoot, elongation","Grapes, --, Fertilizers","Nitrogen, fertilizers","Wine, and, wine, making","Dissertation, (M.Sc.Agric., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2002"]]
    预览  |  原文链接    [浏览：3 下载：0]
  • Organic matter restoration by conversion of cultivated land to perennial pasture on three agro-ecosystems in the Free State
    颁布单位：[University of the Free State] |  颁布时间：2002 |  实施时间：2002 |  学科分类：[["Coarse-textured, soils","Organic, carbon","Semi-arid, agro-ecosystems","Sustainable, agriculture","Total, nitrogen","Soils, --, Nitrogen, content","Agricultural, ecology","Soil, fertility, --, South, Africa, --, Free, State","Dissertation, (M.Sc.Agric., (Soil,, Crop, and, Climate, Sciences))--University, of, the, Free, State,, 2002"]]
    预览  |  原文链接    [浏览：0 下载：0]