摘要
以哲林4号杨为对象,研究不同经营措施对杨树生长性状的影响,结果表明:在相同的栽培及立地条件下,不同经营措施对杨树生长具有显著影响,从优到劣依次是:1区>2区>3区。1区与2区和3区相比较,树高、胸径分别提高了14.8%、8.6%和79.0%、23.7%,平均单株材积增加了0.006 75 m3和0.021 95 m3,每公顷木材的销售收入增加了8 996.20元、29 274.12元。
Zhelin No. 4 was taken as object to research on the effects on growth trait of different management measures to poplar , the results indicated that different management measures had significant influences on poplar growth under the same cultivation and site conditions, the three zones in order was lnd zone 〉 2nd zone 〉 3rd zone. The height and DBH of 1 st zone respective- ly increased byl4.8% ,8.6% and 79.0% ,23.7% than 2nd zone and 3rd zone, the average individual volume of wood increased 0. 006 75 m^3 and 0. 021 95 m^3, wood sales revenue per hectare enhanced 8 996.20 Yuan and 29 274.12 Yuano
出处
《吉林林业科技》
2013年第6期19-21,26,共4页
Journal of Jilin Forestry Science and Technology
关键词
经营措施
杨树
生长性状
经济收入
Management measures
poplar
growth trait
economic income
