Birchfield, G.A.
-
Styro-plugs verses packaged plugs. A preliminary comparison of productivity in the planting phase. A report to the Reforestation Board, Tree Farm Forestry Committee by the Economics Unit. (Mimeographed report) 1971. Vyse, A.H.; Birchfield, G.A. Environment Canada, Canadian Forestry Service, Pacific Forest Research Centre, Victoria, BC. 6 p.
Year: 1971
Catalog ID: 28455
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
-
An operational trial of the stryoblock reforestation system in British Columbia. 1971. Vyse, A.H.; Birchfield, G.A.; Van Eerden, E. Environment Canada, Canadian Forestry Service, Pacific Forest Research Centre, Victoria, BC. Information Report BC-X-059.
Vyse, A.H.; Birchfield, G.A.; Van Eerden, E.
Year: 1971
Catalog ID: 26489
Issued by: Pacific Forestry Centre
Availability: Order paper copy (free), PDF (download)