Olsen, P.E.
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A photoperiod response in germination of western hemlock seeds. 1973. Edwards, D.G.W.; Olsen, P.E. Canadian Journal of Forest Research 3(1): 146-148.
Year: 1973
Catalog ID: 28617
Issued by: Pacific Forestry Centre
Availability: PDF (request by e-mail)
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Biometer flask for determining microbiological respiration in forested soils. 1973. Dangerfield, J.A.; Olsen, P.E. Bi-monthly Research Notes 29(5): 33-34.
Dangerfield, J.A.; Olsen, P.E.
Year: 1973
Catalog ID: 28609
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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R-55 rodent repellent: effects on germination in Douglas-fir and western hemlock. 1972. Edwards, D.G.W.; Olsen, P.E. Canadian Journal of Forest Research 2(3): 256-263.
Year: 1972
Catalog ID: 28493
Issued by: Pacific Forestry Centre
Availability: PDF (request by e-mail)
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Insect disease survey in British Columbia 1964-1969. 1970. Morris, O.N.; Olsen, P. Government of Canada, Department of Fisheries and Forestry, Forest Research Laboratory, Victoria, BC. Information Report BC-X-047.