TY  - BOOK
AU  - Lal, R
TI  - Assessment methods for soil carbon
SN  - 9781566704618
U1  - 631.417 LAL 
PY  - 2001///
CY  - Boca Raton, FL
PB  - Lewis Publishers
KW  - Soils - Carbon content - Analysis - Congresses
ER  -