一、密封贮藏：种子完全干燥后，放入罐、桶、瓶等容器内，用蜡封口，放在阴凉处，这样贮藏可长期保持种子发牙力。二、沙藏法：在小雪后土壤封冻前选地势高、排水良好、干燥、背风阴凉地方，挖深６０～９０厘米的沟或坑，长宽根据种子多少而定，沟底铺１０厘米厚的湿沙，沙的 First, the sealed storage: After the seeds are completely dried, put them in cans, barrels, bottles and other containers, sealed with wax and placed in a cool place, so that the seeds can be kept for long time. Second, the sand collection method: After the snow frozen soil before the election of high terrain, well drained, dry, leeward cool place, dug ditch or pit 60 to 90 cm, length and width according to the number of seeds, the ditch shop 10 cm thick Wet sand, sand