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沂水县沂蒙防护林工程科技示范片位于夏蔚镇东南部的燕子峪流域。该流域山高坡陡、水土流失严重，是沂水县条件最差、群众最穷、造林难度最大的地方之一。如何提高造林成活率和林木生长量是加快这一地区造林绿化亟待解决的问题，为了探索干瘠山地抗旱造林技术，充分发挥沂蒙工
Yishui County Yimeng shelterbelt engineering and technology demonstration film is located in Xia Wei town southeastern swallow Valley valley. The steep slopes of the basin, serious soil erosion, is Yishui County, the worst conditions, the poorest people, afforestation one of the most difficult places. How to improve the survival rate of afforestation and forest growth is to speed up the afforestation in this area to be solved urgently, in order to explore dry barren mountain afforestation technology, give full play to Yimeng workers