1981年秋季我们苗圃把一年生和二年生日本落叶松各5千株,分别装入塑料袋内贮藏越冬,于1982年春季进行了移植和造林,其成活率为85％,发芽率为95％。一、具体做法塑料袋的规格为100×60cm,要求无缝。苗木于10月25日装袋,当日平均温度为—3℃苗木装袋前应将苗根蘸水,然后装袋,扎紧袋口,存放在背风阴凉处,并在上面盖一层草帘,周围拦好,以 In the autumn of 1981, we nursery stocked 5 thousand annual and 2-year-old Japanese larches, each of which was stored in plastic bags and stored for winter. In the spring of 1982, we transplanted and reforested forests. The survival rate was 85% and the germination rate was 95%. First, the specific practices Plastic bag size is 100 × 60cm, requires seamless. Seedlings were bagged on October 25, the average day temperature was -3 ℃ Seedling bags should be dipped in water prior to bagging, and then bagged, tied tight pocket, stored in the shade of the wind, and covered with a layer of straw curtain , Stopped around, to