TY  - BOOK
AU  - Rajasekharan,P .,Nair,K,M. et. al
TI  - Soil Fertility Assessment and Information Management for Enhancing Crop Productivity in Kerala
U1  - 631.8 
PY  - 2013///
CY  - Thiruvananthapuram
PB  - Kerala State Planning Boar
ER  -