很多国家为了解决木材的不足都日益重视发展速生树种,在中欧地区尤其重视发展杨树。在目前,利用杨树木材最多、使用范围最广的国家有:法国、意大利和荷兰。但在西德、德意志民主共和国、匈牙利、南斯拉夫和其他一些欧洲国家,杨树木材生产也占有很大比重。森林资源丰富的一些国家,如加拿大和苏联,同样重视杨树木材的生产和利用。在捷克斯洛伐克,发展杨树被视为解决林木生产 In order to solve the problem of insufficient timber, many countries are paying increasing attention to the development of fast-growing tree species and paying particular attention to poplar development in Central Europe. At present, the countries that make the most use of poplar wood and the most widely used are: France, Italy and the Netherlands. But in West Germany, the German Democratic Republic, Hungary, Yugoslavia and some other European countries, poplar timber production also accounts for a large proportion. Some countries rich in forest resources, such as Canada and the Soviet Union, attach equal importance to the production and use of poplar wood. In Czechoslovakia, the development of poplar is considered as a solution to the forest production