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我国东北的大小兴安岭,遍山可见的桦树,树皮洁白,一尘不染;树干耸直,枝叶疏散;叶片三角卵形,叶柄细柔,在微风中频频摆动,窸窣作响。来兴安岭游览过的文化名人,曾留下:“山中父老神枪手,系马白桦射雉还”;“间以桦林挺银干,画家着笔费精研”的诗句。白桦属桦本科,是阳性树种,耐干旱、寒冷,在兴安岭海拔300—800米山地上,到处都有它生长,常与落叶松或樟子松混交,构成林分中的第二层林木。白桦萌发力很强,在采伐
The size of Hinggan Mountains in northeastern China, all over the mountain can be seen birch, bark white, spotless; trunk upright, branches and leaves scattered; leaves triangular oval, petiole tender and gentle, breeze in the frequent swing, sizzling sound. Come to Xinganling traveled cultural celebrities, had left: “the father of the elite mountain gun, the Department of horse birch shooting pheasant also”; “to birch Lin Ting silver, painter writing fee refined research” verse. Betula birch is a birch undergraduate, is a positive species, resistant to drought, cold, in the mountains of Xinganling 300-800 meters above sea level, it grows everywhere, often mixed with larch or Pinus sylvestris, constitute the second layer of forest trees. Birch strong germination, harvesting