TY  - BOOK
AU  - Paul, E. A. and others,
TI  - Soil Organic Matter in Temperate Agroecosystems : Long-Term Experiments in North America
SN  - 0849328020
U1  - 631 
PY  - 1997///
CY  - Boca Raton
PB  - CRC Press, Inc.
KW  - Soil Ecology
KW  - Techniques, equipment & materials
ER  -