Libros
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Ground-spray techniques to reduce damage from western spruce budworm
Lawrence E. Stipe1984
Género: Western spruce budworm
Añadir a mi colección
Formato
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Day-to-day survival of late-instar western spruce budworm larvae and pupae
Robert W. Campbell
1984
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A pilot experiment of forest fertilization during an outbreak of the western spruce budworm in northeastern Oregon
Richard R. Mason
1998
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Reldan insecticide field-tested on western spruce budworm, Payette National Forest, Idaho, 1977
George P. Markin
1982
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Cooperative western spruce budworm
United States. Forest Service. Pacific Northwest Region.
1978
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