Foliar Nutrient Status of Young Spruce and Balsam Fir
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Forest Shade Tree Insect Disease Conditions for Maine 1987
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[mrp_rating_result no_rating_results_text="No ratings yet" before_count="(" after_count=" ratings)"]Damage to Black Spruce cone crops by spruce budworm
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[mrp_rating_result no_rating_results_text="No ratings yet" before_count="(" after_count=" ratings)"]Cooperative Program Management of spruce budworm populations in Maine 1976-1981
Views: 937
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[mrp_rating_result no_rating_results_text="No ratings yet" before_count="(" after_count=" ratings)"]Decline and mortality of black spruce caused by spruce budworm defoliation and secondary organisms
Views: 1679
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[mrp_rating_result no_rating_results_text="No ratings yet" before_count="(" after_count=" ratings)"]An Aerial Survey of Spruce and Fir Volume Killed by the Spruce Budworm in Northern Minnesota
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[mrp_rating_result no_rating_results_text="No ratings yet" before_count="(" after_count=" ratings)"]Ecological Management Prevents Domination of Pests and Deterioration (1960s)
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[mrp_rating_result no_rating_results_text="No ratings yet" before_count="(" after_count=" ratings)"]Biological Control in the Canadian Forestry Service
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[mrp_rating_result no_rating_results_text="No ratings yet" before_count="(" after_count=" ratings)"]Cartographic History of Spruce Budworm Defoliation 1967 to 1981 in Eastern North America
Problem Addressed: Spruce budworm defoliation from 1967 to 1981
Views: 1041
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[mrp_rating_result no_rating_results_text="No ratings yet" before_count="(" after_count=" ratings)"]History of Recent Infestations of the Spruce Budworm in Northwestern Onatrio
Problem Addressed: Infestation of spruce budworm and estimate of resultant timber loss
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