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西南桦是一个适宜山地造林的优良、速生用材树种。它具有自然分布广,生态适应性强,木材有多种用途,经济价值高等优点。群众喜欢用它作胶合板及各种家具用材。普文试验林场多年来对西南桦采种、育苗、造林进行多次反复试验。1986年育苗、造林成功。1987—1989年该均造林40余亩,造林成活率最高达80％、保存率达98％。3年生树高平均6.4米,胸径平均6.3厘米。造林后两年郁闭,
Southwest Birch is a suitable for afforestation of fine, fast-growing timber species. It has wide natural distribution, ecological adaptability, wood has a variety of uses, the advantages of high economic value. People like to use it for plywood and a variety of furniture timber. Prussian experimental forest farm for many years on the southwest birch breeding, nursery, afforestation repeated trial. Seedling in 1986, afforestation success. From 1987 to 1989, each of them had afforestation of more than 40 mu, with the highest afforestation survival rate of 80% and the preservation rate of 98%. Tree average annual height of 6.4 years, average diameter 6.3 cm. Two years after afforestation closed,