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我们于1982年引进了班克松,经二年引种育苗,又于1984年春,用二年生幼苗造林,经两年试验,已初获成功,现将引种情况初报如下。一、原产地气候概况班克松Pinus banksiana Lamb.又叫美国短叶松,灰松,公主松,哈德逊湾松,是一种生长较快,寿命较短的北方松。广泛分布于加拿大及美国北部,是美洲松中分布最北的树种。原产地气候夏季温和至凉爽,冬季较冷,降雨较少。1月份平均温度-28.9—-3.9℃,7月份平均温度12.8—22.2℃,平均最低温度-20.6～9.1℃,绝对最低温
We introduced the banxis in 1982, after two years of introduction of seedlings, and in the spring of 1984, with two-year seedlings afforestation, after two years of trials, has initially been successful, the introduction of the first report is as follows. First, the origin of climate profile Bankers banksiana Pinus banksiana Lamb. Also known as the United States pine, gray pine, princesses, Hudson Bay pine, is a fast growing, short-lived northern pine. Widely distributed in Canada and the northern part of the United States, it is the northernmost species distributed in the Americas. The climate of origin is mild to cool in summer, colder in winter and less in rainfall. January average temperature - 28.9 - -3.9 ℃, July average temperature 12.8-22.2 ℃, the average minimum temperature -20.6 ~ 9.1 ℃, the absolute minimum temperature