More about John C. Bjorkbom:
| | Books by John C. Bjorkbom: Books in the extended shelves: Bjorkbom, John C., 1915-: Allegheny hardwood regeneration reponse to even-age harvesting methods (U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station, 1986), also by Russell S. Walters and Pa.) Northeastern Forest Experiment Station (Radnor (page images at HathiTrust) Bjorkbom, John C., 1915-: Guidelines for evaluating regeneration before and after clearcutting Allegheny hardwoods (U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station, 1982), also by David A. Marquis and Pa.) Northeastern Forest Experiment Station (Radnor (page images at HathiTrust) Bjorkbom, John C., 1915-: Influence of fertilizer on seed production in Allegheny hardwood stands (Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station, 1979), also by Donald E. Dorn, L. R. Auchmoody, United States Forest Service, and Pa.) Northeastern Forest Experiment Station (Radnor (page images at HathiTrust) Bjorkbom, John C., 1915-: Planting paper birch in old fields in Maine (Northeastern Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1968) (page images at HathiTrust) Bjorkbom, John C., 1915-: Production & germination of paper birch seed and its dispersal into a forest opening (Northeastern Forest Experiment Station, 1971) (page images at HathiTrust) Bjorkbom, John C., 1915-: Seed production and advance regeneration in Allegheny hardwood forests (Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station, 1979), also by Pa.) Northeastern Forest Experiment Station (Radnor and United States Forest Service (page images at HathiTrust) Bjorkbom, John C., 1915-: Seedbed-preparation methods for paper birch (Northeastern Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1967) (page images at HathiTrust) Bjorkbom, John C., 1915-: A silvicultural guide for paper birch in the Northeast (U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station, 1969), also by David A. Marquis, Dale S. Solomon, and Pa.) Northeastern Forest Experiment Station (Radnor (page images at HathiTrust) Bjorkbom, John C., 1915-: A silvicultural guide for spruce-fir in the northeast (Upper Darby, Pennsylvania : Forest Service, U.S. Department of Agriculture, Northeastern Forest Experiment Station, 1973., 1973), also by Robert M. Frank, Pa.) Northeastern Forest Experiment Station (Radnor, and United States Department of Agriculture (page images at HathiTrust) Bjorkbom, John C., 1915-: Stand changes in the first 10 years after seedbed preparation for paper birch (Northeastern Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1972) (page images at HathiTrust) Bjorkbom, John C., 1915-: Ten-year growth of planted paper birch in old fields in Maine (Northeastern Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1972) (page images at HathiTrust) Bjorkbom, John C., 1915-: The variability of paper birch, seed production, dispersal, and germination (Northeastern Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1965), also by Frank E. Cunningham and David A. Marquis (page images at HathiTrust)
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