论文部分内容阅读
落叶松是长白林区的乡土树种,它具有造林初期生长快的特点而得“北方杉木”之称,是长白山林区人民喜爱的速生造林树种之一。对立地条件要求不苛,具有造林后易成活、成林、成材的优点。因此,很好的研究落叶松的生长规律,满足它的生长发育条件,使其生长的更快更好,为四化建设培育良材是非常必要的。自1980年开始,汪清县实行以林为主以来,落叶松育苗的产苗量和成苗率有了很大提
Larch is a native tree species in Changbai Forest Region. It has the characteristics of fast growth in the early stage of afforestation and is called “North fir”. It is one of the fast-growing tree species favored by people in Changbai Mountain. Opposition to the conditions of non-demanding, with Afforestation easy survival, forest, timber advantages. Therefore, a good study of the law of growth of larch to meet its growth and development conditions, to make it grow faster and better for the four building cultivation of good material is necessary. Since 1980, the implementation of Linqing Wangqing County since the larch seedling production and seedling rate has been greatly raised