一、试验树种:柏木、桤木、马尾松、杉木、柳杉,种子为随机抽取的普通生产用种,未精选.二试验内容与方法:①普通库条件.储藏库内阴凉,防潮、通风,避鼠,库内设温、湿度计,记载温度和相对湿度;②种子含水量.用日晒法将种子调制成若干个含水量等级,柏木、桤木、马尾松为3个等级,按树种每个等级分成7等份,每份4—10kg;③密封干藏.用双层盖塑料桶和双层塑料袋包装密封; First, the test species: cedar, alder, Masson pine, Chinese fir, cedar, seed for the general production of randomly selected species, not selected two test content and methods: ① ordinary library conditions, Ventilation, shelter, temperature, hygrometer, temperature and relative humidity recorded in the library; (2) Seed moisture content: The seeds were prepared into several water content grades by sun exposure method, and three levels of cedar, alder, Divided into 7 equal parts by tree species, each 4-10kg; ③ sealed dry storage. Double plastic lid and double plastic bags sealed;