一、裸根苗的培育育苗准备。在选好的苗圃地进行圃地清理,清除杂草、灌木和石砾,然后施基肥。基肥以腐熟的有机肥为主,混以磷肥。选用当年采集的饱满、无病虫害优良种子,进行浸种、消毒和催芽待播种。播种及育苗管理。根据河北省塞罕坝的小气候特点和独特的立地条件,播种时间一般选在5月下旬。育苗地安排专人负责,播种期到出苗期特别要注意鸟害和牲畜危害。二、容器苗的培育育苗地点的选择和整地。根据造林计划,选取造林山地的 First, nursery root nursery nursery preparation. Cleanse the nursery at the selected nursery to remove weeds, shrubs and gravel, and then apply the base fertilizer. Basal fertilizer to decomposed organic fertilizer, mixed with phosphate fertilizer. Select the full collection that year, no pests and diseases of the fine seeds, soaking, disinfection and germination to be sown. Seeding and nursery management. According to the microclimate characteristics and unique site conditions of Saihanba in Hebei Province, planting time is generally selected in late May. Nursery arrangements for the person responsible for the sowing period to the seedling with special attention to birds and livestock hazards. Second, the cultivation of container seedling Breeding site selection and site preparation. According to afforestation plan, choose afforestation mountain