种苗是植树造林的物质基础,有充足的良种壮苗,才能加快绿化步伐,提高造林质量。实践证明:林业要大发展,种苗必须先行。近几年来,我区在林业种苗方面,做了不少工作,取得了一定成绩。但是,由于过去基础差,生 Seedling is the material basis for afforestation, adequate seedling seedlings in order to speed up the pace of afforestation and improve the quality of afforestation. Practice shows that: forestry should be a big development, seedlings must be the first. In recent years, our region has done a lot of work in forestry and seedlings, and has achieved some success. However, due to poor foundation in the past, students