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Forest Science Database

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Abstract

Illustrates a method of evaluating the profitability of release alternatives from long-term records of plots of (a) Pinus strobus, (b) P. resinosa, (e) a mixture of both, released 18-25 years ago, fully, moderately, or not at all, from Aspen or Birch and Aspen [cf. F.A. 13 Nos. 310-1]. The basic...

Author(s)
Lundgren, A. L.
Citation
Forest Science, 1963, 9, 2, pp 242-56
Abstract

In 24 shelterbelts planted in the early 1920's and examined after 13, 25 and 38 years, it was found that hardwoods had survived better than conifers after 13 years but, once established, conifers survived equally. American Elm, Red Pine and Scots Pine showed relatively improved survival % in...

Author(s)
Scholten, H.
Citation
Minnesota Forestry Notes, 1963, No. 128, pp 2
Abstract

An evaluation of hardwood-removal trials, established 18-25 years earlier, (a) in mixed Aspen/ Birch with a 28-year Pinus strobus understorey, by cutting 90 or 70% of hardwood b.a. ; (b) in 19-year planted P. resinosa invaded by Aspen, by cutting all Aspen or else 58 or 28% of total b.a., and (c)...

Author(s)
Buckman, R. E.; Lundgren, A. L.
Citation
Station Paper. Lake States Forest Experiment Station, 1962, No. 97, pp 9 pp.
Abstract

In spite of its common name, Cacoecia fumiferana favours Balsam Fir as a host species, and Spruce is only a second choice. The present bulletin discusses the amount of damage done by the insect, the effect of an outbreak on various host species, the course of an outbreak, effects of defoliation,...

Author(s)
Graham, S. A.; Orr, L. W.
Citation
Technical Bulletin. Minnesota Agricultural Experiment Station, 1940, No. 142, pp 27 pp.