TY  - BOOK
AU  - Rajasekharan, P
AU  - Nair, K.M
AU  - Rajasree, G
TI  - Soil fertility assessment and information management for enchancing crop productivity in Kerala
U1  - 631.422  RAJ/SO 
PY  - 2013///
CY  - Thiruvanathapuram
PB  - Kerala State Planning Board
KW  - Soil fertility -- Kerala
ER  -