TY  - GEN
AU  - Singh, Karan 
AU  - Purohit, S.S. 
TI  - Plant productivity under environmental stress 
SN  - 8185031703
U1  - 632.1 
PY  - 1994///
CY  - Bikaner
PB  - Agro Botanical Publishers
KW  - Damages caused by environmental factors
KW  - Plant injuries, diseases, pests
ER  -