TY  - BOOK
TI  - Crop Production: Principles and Practices
SN  - 0-7167-0531-8
U1  - M 630 C366 1976 
PY  - 1976///
CY  - San Francisco
PB  - W.H FREEMAN AND COMPANY
KW  - Crop Production
N1  - Includes Index
ER  -