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一、概况。长白落叶松耐严寒,喜光喜湿润,树干通直圆满,木材耐腐耐湿,是我国东北地区主要速生用材树种之一。分布于黑龙江省东南部山区及辽宁、吉林东部长白山地区。在分布区内气候寒冷多雨,年降雨量750~1000毫米,年积温指数2700~2800,湿润度大多在0.6以上,土壤系山地棕色森林土和泥炭沼泽土等。南木林业局大石门林场自1964年引种长
First, the overview. Changbai Larch is resistant to cold, Hi hi moist, trunk straight round, lumber resistant to humidity, is one of the main species of rapid growing timber in Northeast China. Located in the mountains of southeastern Heilongjiang Province and Liaoning, Jilin Changbai Mountain in the eastern region. In the distribution area, the climate is cold and rainy. The annual rainfall is 750-1000 mm, the annual temperature index is 2700-2800, and the wetness is mostly above 0.6. The soil is mountainous brown forest soil and peat swamp soil. South Wood Forestry Bureau Dashimen Farm introduced long since 1964