TY  - BOOK
AU  - Gupta,U.S.
TI  - Crop improvement: physiological attributes 
SN  - 812040596x
U1  - 581.1 22
PY  - 1992///
CY  - India
PB  - Oxford & IBH
KW  - Crop improvement
KW  - botany
KW  - Crops
KW  - Physiology
KW  - Effect of stress on
KW  - Quality
N1  - Includes bibliographical references and indexes
ER  -