摘要
本文结合黑龙江省实际情况,论述了黑龙江省现已具备良种繁育条件,建造了一批母树林及种子园,积累了一定的经验,为提高基地供种率和良种使用率,需分地域建立4个用材林育种区。
There are some forest fine variety breeding conditions and experiences by establishment some reserveseed tree forests and seed orchards in Heilongjiang province. Four breeding areas were establishment in different zone go improve fine variety utilization ratio and seed- supply ratio.
出处
《林业科技情报》
2005年第3期1-1,3,共2页
Forestry Science and Technology Information
