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为丰富滕州市林网树种 ,解决目前林网树种单一、结构不合理、病虫害严重等问题 ,1996年 11月 ,我们从江苏省林科所引进柳树新品种 172、799苗木 ,在姜屯镇南部村庄林网定植。经过 4年试验 ,2 0 0 0年 10月调查 ,柳树平均胸径 16 6ｃｍ ,平均树高 6 4 3ｍ ,12 0ｈｍ2 活立木总蓄
In order to enrich the forest tree species in Tengzhou City, solve the current single species of forest species, irrational structure, serious pests and diseases and other issues, in November 1996, we introduced 172,799 new varieties of willow seedlings from Linke in Jiangsu Province, Village Lin network planting. After 4 years of testing, in October 2000 survey, the average diameter of willow trees 16 6cm, the average height of 6 4 3m, 12 hm2 live stump total savings