TY  - BOOK
AU  - Allison,F.E.
TI  - Soil organic matter and its role in crop productio
SN  - 0444410171
U1  - 631.417 23
PY  - 1973///
CY  - New York
PB  - Elsevier Scientific Pub. Co.
KW  - Organic chemistry
KW  - Humus
KW  - Soil science
N1  - Includes bibliographies and indexes
ER  -