绥中县前卫公社三道大队石河两岸有一片乱石滩地。以往在这里造林多采用挖坑运客土的方法,雨季一到,水位上涨,苗木大部分被洪水冲走,严重影响石滩地的绿化。1968年春,这个大队发扬敢想、敢干的革命精神,用铁钎子在石滩地上凿眼插干造林,结果全部成活,从1969年春季以来他们用此法营造杨柳林40多万棵, Suizhong avant-garde commune three brigade Stone River has a rock beach. In the past, the method of rebuilding the forest by digging and transporting soil was used. When the rainy season arrived and the water level rose, most of the nursery stock was washed away by floods, which seriously affected the afforestation of the rocky beach. In the spring of 1968, this brigade carried forward the revolutionary spirit of dare to think and dare to do. Using iron-bearing rods to cut through the rocky beach and plantations, the results all survived. Since the spring of 1969, they have used this method to create more than 400,000 willow trees,