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落叶松是我省山区重要造林树种之一。具有生长快、材质好,适应性强等特点。由于种较多,在我国北部分布范围广,长期的地理隔离使之形成了具有遗传性不相同的地理生态类型。为选出对本地区适应性强、生长良好的种和种源,1981—1984年我们在丰宁县大阁苗圃,进行了两次落叶松种和种源选择苗期试验。本文为第二次试验的初步总
Larix is one of the important afforestation species in our province. With fast growth, good material, adaptability and so on. Due to the large number of species distributed in the northern part of our country, the long-term geographic isolation has led to the formation of a geographically ecologically different type of heredity. In order to select the most suitable and well-growing species and provenances in our region, we conducted two larch seedling and provenance seedling tests at Datang Nursery in Fengning County from 1981 to 1984. This article is a preliminary summary of the second experiment