育苗地的选择:套袋容器苗育苗地应选择在靠近水源,地势平坦,交通便利,排灌条件好,便于经营管理的壤土或沙壤土地。考虑造林时的苗木运输问题,育苗地还要选择距离造林地较近的地方。筑床:4月上中旬进行筑床,筑床前先平整土地,根据圃地情况,筑床面宽150～200cm的平床,步道沟宽30c Breeding options: bagging seedling nursery should be chosen near the water, flat, convenient transportation, irrigation and drainage conditions are good, easy to manage the loam or sandy loam land. When considering afforestation seedling transport problems, nursery area should also choose a place closer to the afforestation. Build beds: in mid-April for the construction of beds, before the foundation of the bed to level the land, according to nursery, build bed 150 ~ 200cm wide bed, walkway width 30c