华北落叶松是一种成活率高、生长快、树干直、材质较好、适应性强的针叶树种.为了响应毛主席“绿化祖国”的号召,早日绿化红军长征时走过的六盘山区,我们从外地引进华北落叶松种子进行育苗试验,由于各连队在生产实践中不断总结经验教训,终于摸索了一些在六盘山区培育华北落叶松苗的技术经验.在一般情况下,一年生落叶松苗亩产20～30万株,二年生苗亩产10～20万株,是绿化六盘山区的一个优良树种,现已在六盘山区安家落户.泾源二龙河连队1966年 Larix principis-rupprechtii is a kind of conifers with high survival rate, fast growth, straight trunk, better material and adaptability.In order to respond to the call of Chairman Mao and “Green Motherland” In the mountainous area, we introduced the Larix principis-rupprechtii seeds from the field for nursery test. As the company continually summed up the experience and lessons in the production practice, we finally got some technical experiences in nurturing Larix principis-rupprechtii in Liupan Mountain. In general, 200,000 to 300,000 mu per mu and 200,000 to 200,000 mu per annum are the best tree species in the afforestation area of ​​Liupan Mountain and now settle down in Liupanshan District Jingyuan Erlonghe Company 1966