TY  - BOOK
AU  - Singh, Karan
AU  - Purohit, S.S.
TI  - Plant productivity under environmental stress
U1  - 581.2:628.5 
PY  - 1995///
CY  - Bikaner
PB  - Agro Botanical Publishers
KW  - Plant productivity
KW  - Environmental stress
ER  -