Author:
Ganns Richard A.,Zasada John C.,Phillips Carrol
Abstract
Average sap production by paper birch (Betula papyrifera) ranged from 6 to 35 kg per tree during 2 years of observations. Production during 1977 was 175 percent higher than in 1976. The average carbohydrate concentration of sap was.9 percent and it consisted of 49 percent fructose, 33 percent glucose and 18 percent sucrose.
Publisher
Canadian Institute of Forestry
Cited by
5 articles.
订阅此论文施引文献
订阅此论文施引文献，注册后可以免费订阅5篇论文的施引文献，订阅后可以查看论文全部施引文献