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我所自1965年开始与有关林场进行落叶松种子林营造试验,试验表明:培育落叶松种子林产量高,质量好,建设易,成本低,好采集,可减少种子调运。1.种子林经营类型营造落叶松种子林可分为两个类型:
Since 1965, I started the experiment of planting larch seed forests with the relevant forest farms. The experiment shows that the cultivation of larch seed forests is of high yield, good quality, easy construction, low cost and good collection, which can reduce the transportation of seeds. 1. Seed Forest Management Types Larix seed forest can be divided into two types: