TY  - BOOK
AU  - Muralidharudu,Y
AU  - Sammi Reddy, K
TI  - GIS based soil fertility maps of different states of India
U1  - CR 631.422 
PY  - 2011///
CY  - Bhopal
PB  - Indian institute of soil science
KW  - Project on soil test crop response correlation
ER  -