TY  - BOOK
AU  - H.C. Srivastava
AU  -  S. Bhaskaran  K.K.G. Menon
TI  - Crop Productivity
SN  - 81-204-0257-X
U1  - 630.2 
PY  - 1987///
CY  - New Delhi
PB  - Oxford & IBH Publishing Co.Pvt.Limited
ER  -