已收录 272983 条政策
检索结果
已选条件:
the

<符合条件的数据共:13条>
排序方式
登录后可批量下载(统一登录激活码登录)

  • 颁布单位:[University of the Free State] |  颁布时间:1999 |  实施时间:1999 |  学科分类:[["Puccinia, hordei","Puccinia, coronata, f., sp., avenae","Puccinia, graminis, f., sp., avenae","Pathogenic, variability","Yield, loss","Barley","Oats","Oats, --, Diseases, and, pests, --, South, Africa","Barley, --, Diseases, and, pests, --, South, Africa","Rust, diseases, --, South, Africa","Dissertation, (M.Sc.Agric., (Plant, Pathology))--University, of, the, Free, State,, 1999"]]
    预览  |  原文链接    [浏览:0 下载:0]
  • 颁布单位:[University of the Free State] |  颁布时间:1999 |  实施时间:1999 |  学科分类:[["Fusarium, --, South, Africa","Fungal, diseases, of, plants, --, South, Africa","Potato, --, Diseases, and, pests, --, South, Africa","Thesis, (Ph.D., (Plant, Pathology))--University, of, the, Free, State,, 1999"]]
    预览  |  原文链接    [浏览:3 下载:0]
  • 颁布单位:[University of the Free State] |  颁布时间:1979 |  实施时间:1979 |  学科分类:[["Cotton, --, Diseases, and, pests","Thesis, (Ph.D., (Plant, Pathology))--University, of, the, Free, State,, 1979"]]
    预览  |  原文链接    [浏览:0 下载:0]