The Regional Survey of Forest Insect Conditions, California Region, 1931-1936 PDF Download
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Author: United States. Bureau of Entomology and Plant Quarantine
Publisher:
ISBN:
Category : Trees
Languages : en
Pages : 0
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Author: United States. Bureau of Entomology and Plant Quarantine
Publisher:
ISBN:
Category : Trees
Languages : en
Pages : 0
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Book Description
Author: United States. Bureau of Entomology and Plant Quarantine
Publisher:
ISBN:
Category : Trees
Languages : en
Pages : 40
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Author:
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Category : Agriculture
Languages : en
Pages : 390
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Author: John E. Patterson
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Category : Cleveland National Forest
Languages : en
Pages : 28
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Author: Samuel Alexander Graham
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Category : Beneficial insects
Languages : en
Pages : 440
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Book Description
Historical review. Biotic potential. Environmental resistance. Insect abundance. Direct control of tree insects. Direct control by chemical methods. Indirect control of tree insects. Other indirect control measures. Leaf-eating insects. Meristem insects of the terminal parts. Phloem-wood insects. Wood destroyers. Sap-sucking insects. Insectivorous parasites. Insectivorous predators. Other relations of forest insects.
Author: John Martin Miller
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Category : Pine
Languages : en
Pages : 402
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Book Description
This publication reviews the results of research on the western pine beetle up to July 1, 1952. It shows the progress that has been made in over a half-century of study of this one bark beetle. It also records the trials and errors--the research that ran into blind alleys. The record of this pioneer effort in the field of forest entomology in the United States should be of great help to research workers who are faced with similar problems.
Author:
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Category : Union catalogs
Languages : en
Pages : 710
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Author: United States. Bureau of Entomology and Plant Quarantine
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Category : Lassen National Forest
Languages : en
Pages : 48
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![Forest Insect Conditions in California During 1946, [etc.] A Report, Etc PDF](https://books.google.com/books/content/images/frontcover/KCMfMwEACAAJ?fife=w80-h100)
Author: California. Department of Conservation. Division of Forestry
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Category :
Languages : en
Pages : 32
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![Forest Pest Conditions in California as Revealed by Surveys During 1955 [etc.]. Official Report, Etc PDF](https://books.google.com/books/content/images/frontcover/YtAbMwEACAAJ?fife=w80-h100)
Author: California. California Forest Pest Control Action Council
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Category :
Languages : en
Pages :
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