TY  - BOOK
AU  - Stuber, C. W.
ED  - Crop Science Society of America
TI  - Crop science: crop physiology & metabolism 
U1  - 630 
PY  - 1988///
CY  - New York
PB  - Crop Science Society of America
KW  - Crops
KW  -  Physiology
N1  - Includes bibliographical references
ER  -