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Author(s): Cowles, Richard Steven.
Publication Date: [2003]
Publisher(s): Connecticut Agricultural Experiment Station
Contributor(s): Biodiversity Heritage Library
Collection(s): Biodiversity Heritage Library
Category: Others
Subject(s): Fir--Diseases and pests--United States. , Balsam twig aphid--Control--United States. , Aphids--Control--United States. , Christmas tree industry--Economic aspects--United States.
Keywords: Fir Diseases and pests United States. Balsam twig aphid Control United States. Aphids Control United States. Christmas tree industry Economic aspects United States.

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