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西北农学院火地塘教学试验林场的落叶松引种于一九六一年,所用种子由原陕西省林业厅发给,均来自朝鲜民主主义共和国,当时统称朝鲜落叶松。一九六四年以后,又增加了华北落叶松引种试验。十七年来,林场在育苗、造林方面,每年都做了不少工作,落叶松已由小面积引种试验,进入较大面积的造林。现在,少数树木已开花结实,一般生长发育良好,初步显示出在秦岭林区一定范围内,颇有发展前途。本项研究尚未最后结束,现仅作一阶段总结。
Northwest College of Agriculture Huoditang teaching test forest farm introduced Larch in 1961, the seeds used by the former Shaanxi Provincial Department of Forestry issued, all from the Democratic People’s Republic of Korea, at that time collectively referred to North Korea larch. After 1964, another introduction test of Larix principis-rupprechtii was added. In the past 17 years, forestry farms have done a lot of work every year in nursery and afforestation. Larix has been introduced into small area for testing and has entered a larger area of afforestation. Now, a small number of trees have flowering and fruiting, the general growth and development of good, initially showed a certain range in the Qinling Mountains, quite promising. This study has not yet ended, it is only for a one-stage summary.