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青杨在陕北风砂区分布很广,生长良好。在育苗经验上,当地群众惯于在五年生以上青杨林内用断根育苗法培育。今春葭县打火店林场在三亩左右8年生青杨林内进行断
Poplar in the sand area in northern Shaanxi is widely distributed, growing well. In nursery experience, the local people are accustomed to cultivate more than five-year-old Green Poplar within the cut-root nursery method. Spring fireworks shop in Lixian County in the three-year-old 8-year-old green forest cut off