我省林木引种驯化工作,历史悠久,古代由国外引入的胡桃、石榴、萄葡等,我省早已普遍栽培。但是,引进的大量好树种,例如:黑松、落叶松、刺槐、紫穗槐等,长期以来,被权势贵族阶级禁锢在别墅花园和深山寺庙里边,未在生产上发挥应有的作用。 Introduction and domestication of forestry in our province, has a long history, the ancient introduction of walnuts, pomegranates, grapevines from abroad, the province has long been generally cultivated. However, the introduction of a large number of good tree species, such as: black pine, larch, black locust, Amorpha fruticosa, etc., for a long time, was imprisoned aristocracy in the villa gardens and temples inside, did not play its due role in production.