TY  - BOOK
AU  - V K,Venugopal 
AU  - K M,Nair
AU  - P, rajasekharan
AU  - A N, sasidharan Nair
TI  - Soil Fertility
U1  - R 631.4 
PY  - 2018///
CY  - kerala
PB  -  Department of Agriculture Development and Farmers Welfare
KW  - soil
KW  - fertility
ER  -