|Authors :||Richey, Frederick D., Sprague, George F.|
|Title:||Experiments on Hybrid Vigor and Convergent Improvement in Corn.|
|Publication info:||Beltsville, MD: U.S. Department of Agriculture, National Agricultural Library, Alternative Farming Systems Information Center
|Rights/Permissions:||Works produced by employees of the U.S. Government as part of their official duties are not copyrighted within the U.S.|
Experiments on Hybrid Vigor and Convergent Improvement in Corn.
Richey, Frederick D., Sprague, George F.
Washington DC: : United States Department of Agriculture, October 1931
F200 Plant Breeding and Genetics