TY  - BOOK
AU  - Delorit, Ricchard J
AU  - Greub, Louis J.
AU  - Alhgren, Henry L
TI  - Crop production
U1  - 633.00973 
PY  - 1984///
CY  - Englewood Cliffs, N.J
PB  - Prentice-Hall
KW  - Field crops
KW  - United States
N1  - Includes index
ER  -