The Toxicity of Diesel Oil to Douglas-fir Cones
Use of Tree Ring Measurements to Measure Impact of Insect Defoliation
Lindane in Forestry
Lindane in forestry
Douglas-fir Cone and Seed Insect Research
Douglas-fir Cone and Seed Insect Research
Douglas-fir Cone and Seed Insect Research; Progress Report 1959
Orthene Implants Protect Lodgepole Pine Foliage from Feeding Injury by the Lodgepole Needleminer
Lodgepole Needle Miner
Effectiveness of Fall and Spring Timings of Trunk-Implanted Acephate for Protection of Select Douglas-fir from Western Spruce Budworm Defoliation
Nantucket Pine Tip Moth
Studies of the Insect Complex Affecting Seed Production of Ponderosa Pine in California
Lodgepole Needle Miner
Lodgepole Needle Miner
Insects Destructive to the Douglas-fir Seed Crop in California
Lindane in Forestry
Pesticide Spray Application, Behavior, and Assessment
Nantucket Pine Tip Moth
Ex-students of the Ontario Agricultural College