The 1958 Iowa Corn Yield Test
Auteur : Charles D. Hutchcroft, Joseph Lee Robinson
Date de publication : 1959
Éditeur : Agricultural and Home Economics Experiment Station, Iowa State College
Nombre de pages : 20
Résumé du livre
"This bulletin is the report of the performance of corn hybrids tested at 24 locations in Iowa during the years 1955, 1956, 1957 and 1958. Summaries of 1-year, 3 year and four year periods are shown." -- p. 3