A study of new objective yield procedures for filberts

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Author:: Wigton, William H. and United States Department of Agriculture. Statistical Reporting Service. Standards and Research Division. Research and Development Branch.
Year:: 1970
Subject:: Hazelnuts -- Yields -- Oregon, hazelnuts, Corylus avellana, crop yield, and Oregon
Language:: English
Publisher:: Research and Development Branch, Standards and Research Division, Statistical Reporting Service
Collection:: USDA publications