TY  - BOOK
AU  - Biswas, T D., ed.
AU  - Narayana swamy,G N
TI  - Soil organic matter and organic residue management for sustainable productivity
U1  - 631.41 
PY  - 1998///
CY  - New Delhi
PB  - Indian Society of Soil Science
KW  - sustainable agriculture
KW  - soil science
ER  -