TY  - BOOK
AU  - Francis,Charles A.
TI  - Multiple cropping system
SN  - 0029486106 (hardback)
AV  - S603.7 M85 
PY  - 1986///
CY  - New York
PB  - Macmillan publishing company
KW  - Multiple cropping systems
N1  - Includes bibliographical references and index
ER  -