TY  - BOOK
AU  - Magdoff,Fred
AU  - Weil,Ray R.
TI  - Soil organic matter in sustainable agriculture
SN  - 0849312949 (alk. paper)
PY  - 2004///
CY  - Boca Raton
PB  - CRC
KW  - Humus
KW  - Soil ecology
KW  - Sustainable agriculture
N1  - Includes bibliographical references and index
ER  -