一九八○年以来,夏邑县王岳楼苗圃采用“埋棵连续育苗法”培育毛白杨,平均亩产3—4米高优质苗4000棵。实践证明,这种育苗方法简便,容易推广,一次埋苗,可连续数年收获。具体方法:一、苗圃地的选择与整地作床:苗圃地应选择地势平坦,土壤肥沃,排灌方便,病虫害少的沙壤土或壤土地。盐碱 Since 1980, Xiaoyu County Wang Yue Lou nursery nursery “Buried trees continuous nursery method ” to cultivate Populus tomentosa, the average yield of 3-4 m high-quality seedlings 4000. Practice has proved that this nursery method is simple and easy to promote, a buried seedlings, can be harvested for several years. Specific methods: First, the choice of nursery and land preparation for bed: Nursery should choose flat, fertile soil, irrigation and drainage facilities, pests and diseases less sandy loam or loam soil. Saline