河北省围场县龙头山林场根据9年来的摸索,对落叶松山地育苗有了一些粗浅的认识,现总结如下:一、选地:在山地培育落叶松苗,要选在阴坡,以西北向和东北向为最好,坡度在20°以下,有榛子或蒿草,土层深厚,较肥沃的沙质壤土最为适宜,如有蕨类的地方更好。切忌撩荒地或是土壤瘠薄的地方。二、整地作床:整地最好是秋季或是早春土壤解 Based on 9 years of exploration, Longevity Hill Farm of Weichang County in Hebei Province has some superficial understanding of seedling cultivation in larch mountains. The results are summarized as follows: I. Selection: Cultivation of larch seedlings in mountainous areas should be conducted on the shady slopes, northwestward and Northeast to the best, the slope of 20 ° below, with hazelnut or wormwood, deep soil, more suitable sandy loam most suitable, if ferns better. Avoid throwing wasteland or barren soil. Second, soil preparation for bed: the best soil preparation is autumn or early spring soil solution