Introduction to agronomy :food, crops, and environment /
Sheaffer, Craig C.
Introduction to agronomy : food, crops, and environment /
Craig C. Sheaffer, Kristine M. Moncada.
- 2nd ed.
- Clfton Park, NY : Delmar Cengage Learning, c2012.
- xvi, 704 p. : col. ill., col. maps ; 26 cm.