1961 hybrid popcorn performance trials /
Ashman, R. B.(Roland Bruce),1928-author.
United States.Agricultural Research Service.Field Crops Research Branch.
Purdue University.Agricultural Experiment Station.
Caption title.
"February, 1962."
"Conducted cooperatively with Field Crops Branch, Agricultural Research Service, USDA"-- Page 1.
Popcorn
Popcorn