华北落叶松是耐寒喜光速生用材树种。它材质优良,生长快,寿命长,是“三北”防护林主要造林树种之一。四子王旗1974年以来通过引种育苗和植苗造林,证明华北落叶松能够适应四子王旗高寒干旱的气候特点和中山、浅山的立地条件,而且生长表现良好,四年以后当年生新梢平均70厘米左右,在四子王旗山区社队是一个很有发展前途的树种。在高寒干旱地区华北落叶松造林的技术要点是:一、选地选择造林地一定要注意地形、地势,迎风坡易遭受旱风吹袭,生 Larix principis-rupprechtii is a species of hardwood, hi-luch timber. It is of good quality, fast growth and long life, and is one of the main afforestation species of the “Three North” shelterbelt. Siziwangqi Since 1974, the introduction of seedling and plantation afforestation shows that Larix principis-rupprechtii can adapt to the climate characteristics of the Siziwang Banner cold-arid climate and Zhongshan, shallow hill site conditions, and good growth performance, after four years the average annual new shoot about 70 centimeters, Mountain community is a very promising tree species. The main points of afforestation of Larix principis-rupprechtii in arid and arid regions are as follows: First, the selection of afforestation land must pay attention to the terrain, the topography and the windward slope are easily hit by the dry wind,