Corn and corn improvement /
editor, G. F. Sprague.
- [2d ed.]
- Madison, Wis. : American Society of Agronomy, 1977, c1976.
- xvi, 774 p. : ill.
- Agronomy ; no. 18 .
0891180435
Corn.
Corn--Breeding.
SB191.M2 / S6254 1977
633/.15/3
0891180435
Corn.
Corn--Breeding.
SB191.M2 / S6254 1977
633/.15/3