一、引种樟子松的目的樟子松为常绿乔木,材质好、用途广、寿命长,为深根性树种。是防风固沙、保持水土、建筑用材的优良速生针叶树种,又是北方发展的三松之一。具有适应性强,喜光、耐寒、能在沙地生长的特性。我盟的沙地面积较大,处于干旱、荒漠、半荒漠区,气候干燥,土壤大多数都呈碱 First, the purpose of introduction of Scotch Pine Pinus sylvestris is an evergreen tree, good material, wide use, long life, deep root tree species. It is one of the three Songsongs for the development of the north, which is an excellent fast-growing coniferous species for windbreak and sand fixation and soil and water conservation. With adaptability, light, cold, can grow in the sand characteristics. My League’s sandy area is larger, in arid, desert, semi-desert area, the climate is dry, most of the soil is alkaline