充足的优良种子是林业生产基地化的物貭基础,是林木培育丰产化的前提。种子的多少、好坏,不仅直接关系着绿化速度和造林貭量,而且还将影响到后代林木的品质,因此,有计划地建立良种基地,开展群众性的选育良种工作是当前林业生 Sufficient good seeds are the basis of forestry production base, is the prerequisite for cultivating high yield of trees. The number of seeds, good or bad, not only directly relates to the rate of afforestation and planting, but also will affect the quality of future generations of trees, therefore, the planned establishment of seed bases and carry out mass breeding of seed is the current forestry students