杨新

杨新杨新
  1. 大通地区西丰杨新品种引种试验

    Introduction Test on New Species Xifeng Poplar in Datong Region

  2. 速生杨新品种苗期引种对比试验

    Contrastive Test on Introducing Variety of Seedling Stage of Speediness Poplar New Breads