Birch symposium proceedings
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1969 August 19-21; Durham, NH. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 183 p.
This symposium on yellow and paper birch is the third in a series of meetings devoted to discussion of our fine hardwood timber species. The first meeting, held at Carbondale, Illinois, in 1966, dealt with black walnut. The second, held at Houghton, Michigan, in 1968, dealt with sugar maple. The purpose of this third meeting is to bring together our present knowledge of the silviculture, management, and utilization of the birches; and to point out the gaps in our knowledge, which research can help to fill. From a review of the papers prepared for presentation at this meeting, it is evident that we already know much about how to grow and utilize the birches-especially those that regenerate naturally. We know enough to do a much better job of managing our birch stands than we are doing now. Nevertheless, even for natural stands we still have much to learn about spacing and thinning, and about birch nutrition and fertilization.
Note: large file.
Doolittle, W.T.; Bruns, P.E., comps. 1969. Birch symposium proceedings. ;1969 August 19-21; Durham, NH. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 183 p.