TY  - BOOK
AU  - Magdoff, Fred (ed.)
AU  - Weil, Ray R. (ed.)
TI  - Soil organic matter in sustainable agriculture
T2  - Advances in agroecology
SN  - 9780367394233
U1  - 631.417 
PY  - 2004///
CY  - London
PB  - CRC Press
KW  - Humus
KW  - Soil ecology
KW  - Sustainable agriculture
N1  - PB
ER  -