Spruce Budworm in Maine, 1910-1976: Infestations and Control.
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Spruce Budworm in Maine: 1976
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[mrp_rating_result no_rating_results_text="No ratings yet" before_count="(" after_count=" ratings)"]Canada Department of Agriculture, Science Service-Division of Forest Biology: Bi-Monthly progress report
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[mrp_rating_result no_rating_results_text="No ratings yet" before_count="(" after_count=" ratings)"]The Salvage and Storage of Pulpwood from Dead and Dying Spruce and Fir: Problems and Results of a Four Year Program
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[mrp_rating_result no_rating_results_text="No ratings yet" before_count="(" after_count=" ratings)"]Trials in British Columbia with Douglas-fir Tussock Moth Nuclear Polyhedrosis Virus Proposed for 1981
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[mrp_rating_result no_rating_results_text="No ratings yet" before_count="(" after_count=" ratings)"]Yield of balsam fir stands in the Gaspe region of Quebec
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[mrp_rating_result no_rating_results_text="No ratings yet" before_count="(" after_count=" ratings)"]Net effect of spruce budworm defoliation on mortality and growth of balsam-fir
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[mrp_rating_result no_rating_results_text="No ratings yet" before_count="(" after_count=" ratings)"]Mexacarbate Deposits on Simulated and Live Fir Needles During an Aerial Spray Trial
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[mrp_rating_result no_rating_results_text="No ratings yet" before_count="(" after_count=" ratings)"]Invertebrates Associated with Spruce-Fir Stands on Mount Moosilauke NH and at Howland ME
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[mrp_rating_result no_rating_results_text="No ratings yet" before_count="(" after_count=" ratings)"]Inventory of Litter Arthropods and Airborne Insects in Fir Spruce Stand treated with Insecticides
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