TY  - BOOK
AU  - Kanwar,J.S.
TI  - Soil Fertility Theory , Practice
U1  - 631.45 
PY  - 1976///
CY  - New Delhi.
PB  - I.C.A.R.
KW  - Soil Classification,Erosion,Mulch
KW  - Soil Fertility
ER  -