TY  - BOOK
AU  - Brickbauer,Elwood A.
AU  - Mortenson,W.P.
TI  - Approved practices in crop production
AV  - SB185 .B7 1978
U1  - 633 
PY  - 1978///
CY  - Danville, Illinois
PB  - Interstate Printers & Publishers
KW  - Field crops
N1  - Includes index
ER  -