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Creator:: Oregon State University. Agricultural Experiment Station and Crowell, H. H. (Hamblin Howes), 1913-
Abstract:: Many terrestrial molluscs (slugs and snails) are economically important because of their feeding activities on ornamental plants and vegetable and field crops. Studies of their habits, biology, and chemical control have been conducted by the Oregon Agricultural Experiment Station since 1911. This report discusses the common species of Oregon, their...
Resource Type:: Technical Report
Full Text:: . 18 AUTHOR: H. H. Crowell, professor of Entomology, Department of Entomology, Oregon State

Creator:: Crowell, H. H. (Hamblin Howes), 1913-, Simko, B. C. (Ben C.), and Oregon State University. Extension Service
Abstract:: Published November 1981. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: to species and size. Prepared by H. H. Crowell, professor emeritus, Department of Entomology, and B

Creator:: Oregon State University. Federal Cooperative Extension Service, Crowell, H. H. (Hamblin Howes), 1913-, and Every, R. W.
Abstract:: Revised July 1968. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: July 1968 Prepared by H. H. Crowell Entomologist This bulletin has been prepared for the

Creator:: Oregon State University. Federal Cooperative Extension Service, Crowell, H. H. (Hamblin Howes), 1913-, and Every, R. W.
Abstract:: Revised March 1970. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: . Extension Bulletin 747 Revised March 1970 Prepared by H. H. Crowell Entomologist This bulletin has

Creator:: Oregon State University. Federal Cooperative Extension Service, Crowell, H. H. (Hamblin Howes), 1913-, and Capizzi, Joseph
Abstract:: Revised March 1976. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: , 1914. ,1": Extension Bullet;n 747 ~ Rev;sed MaRh 1976 Revised by H. H. Crowell Entomologist

Creator:: Morrison, H. E. (Hugh Engle), 1905-, Crowell, H. H. (Hamblin Howes), 1913-, and Oregon State College. Agricultural Experiment Station
Abstract:: Published April 1954. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: <•' APR Potato Tubers H. E. Morrison H. H. Crowell Agricultural Experiment Station Oregon State

Creator:: Oregon State College. Agricultural Experiment Station, Crowell, H. H. (Hamblin Howes), 1913-, and Morrison, H. E. (Hugh Engle), 1905-
Abstract:: Published April 1954. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: . Crowell H. E. Morrison Agricultural Experiment Station Oregon State College Corvallis Circular of

Creator:: Oregon State University. Federal Cooperative Extension Service, Crowell, H. H. (Hamblin Howes), 1913-, Every, R. W., and Morrison, H. E.
Abstract:: Revised April 1966. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: . Extension Bulletin 747 Revised April 1966 H. H. Crowell Entomologist Prepared by R. W. Every H. E

Creator:: Oregon State College. Federal Cooperative Extension Service, Crowell, H. H. (Hamblin Howes), 1913-, Every, R. W., and Morrison, H. E.
Abstract:: Revised May 1959. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: . H. Crowell Associate Entomologist R. W. Every Extension Entomology Specialist H. E. Morrison

Creator:: Oregon State College. Federal Cooperative Extension Service, Crowell, H. H. (Hamblin Howes), 1913-, Every, R. W., and Morrison, H. E.
Abstract:: Revised March 1957. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: 747 ~ Revised May 1957 Insect Pests Prepared by H. H. Crowell Associate Entomologist R. W

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