Scientific corn breeding the Pioneer way : the most extensive corn breeding program in the Corn Belt
Des Moines [Iowa], Pioneer Hi-Bred Corn Company, [1939]
1939
U.S. Department of Agriculture, National Agricultural Library
U.S. Department of Agriculture, National Agricultural Library
Rights:
The contributing institution believes that this item is not in copyright
Copyright Status:
Public domain. The BHL considers that this work is no longer under copyright protection.