在新形势下我国林产工业技术发展方向的初探林业部林产工业公司李祥熊近２０年来，我国林产生产与管理发生了巨大的变化。首先是原始林木越来越少，人工林木和次生林木越来越多；大径林木越来越少，小径林木越来越多；硬质林木越来越少，软质林木越来越多；这种变化给我国... Under the new situation, the development direction of China’s forest industry industry technology Li Xiangxiong, forestry industry company of forestry department In the past 20 years, China’s forest production and management have undergone tremendous changes. First of all, there are fewer and fewer original forests, more and more artificial forests and secondary forests, fewer and larger trees with large diameters, and more and more forests with small trails; more and fewer hard woods and more and more soft forests; This change to our country...