TY  - BOOK
AU  - Srivastava,H.C.
AU  - Bhaskaran,S.
AU  - Menon,K.K.G.
TI  - Crop productivity
SN  - 812040257X
U1  - 633 
PY  - 1987///
CY  - New Delhi
PB  - Oxford and IBH
KW  - Plant Growth
N1  - Includes Index
ER  -