林业科学研究所林木种子净化的新工艺使种子的纯度达到99％,这一新方法首先为在苗圃中薄膜下培育苗木提供了可能性。 在特制的纸上涂上一层很薄的专用胶水,当胶水还没干的时候,立刻将选定的种 The new process of tree seed purification at the Forestry Institute makes the purity of the seeds 99%. This new method first of all offers the possibility of cultivating seedlings under the film in a nursery. In a special paper coated with a thin layer of special glue, when the glue has not yet dried when the selected species