论文部分内容阅读
1974年我所在桓仁县八里甸子公社大南沟大队进行了红松山地育苗试验,收到了较好的效果。1975～1976年又进行了中间试验。1977年在本
In 1974, I was in Huanren County, Bailian Dagang Sub-brigade brigade conducted a Hong Songshan nursery test, received good results. Between 1975 and 1976, an intermediate test was conducted. 1977 in this