Report of Cooperative Hop Breeding Project written by R. E. Fore, Agent of the Division of Drug and Related Plants in the Bureau of Plant Industry for the USDA.
G. R. Hoerner, Agent of the USDA, wrote this report under legislative funds on research comparing spray nozzles for effective spraying of hops for downy mildew.
Oregon Agricultural Experiment Station Annual Report of Hop Investigations, written by Stanley N. Brooks, Agent (Agronomist); Chester E. Horner, Agent (Plant Pathologist); Sam T. Likens, Agent (Chemist).
Hop Quality Studies report written on 1950 crop. Authors are G. R. Hoerner, Agent (Pathologist) for the Division of Tobacco, Medicinal, and Specialty; D. E. Bullis, Chemist for the Agricultural Experiment Station; D. D. Hill, Agronomist for the Agricultural Experiment Station; B. W. Whitlock, Pacific Coast Headquarters, Grain Branch, Production and Marketing Administration, USDA; W. T. Wisbeck, Marketing Specialist for Grain Branch, Production and Marketing Administration, USDA.
Oregon Agricultural Experiment Station Annual Report of Hop Investigations, written by Stanley N. Brooks, Agent (Agronomist); Chester E. Horner, Agent (Plant Pathologist); Sam T. Likens, Agent (Chemist).