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Filtering by: Creator Oregon State Board Of Forestry Date 1955 Language English [eng]

Direct seeding of Western red cedar

A field test of tetramine treated Douglas fir seed

Stratified Douglas fir seed sown in April, May and June

Midsummer baiting to control seed-eating mammals

Ponderosa pine seed germination after exposure to varying temperatures and humidities

Revised "number of trees per acre" curves