TY  - BOOK
AU  - Magdoff,Fred
AU  - Weil,Ray R.
TI  - Soil organic matter in sustainable agriculture
SN  - 0849312949
PY  - 2004///
CY  - Boca Raton
PB  - CRC Press
KW  - Humus
KW  - Soil ecology
KW  - Sustainable agriculture
N1  - Includes bibliographical references and index
UR  - http://www.loc.gov/catdir/enhancements/fy0646/2004043574-d.html
ER  -