TY  - RPRT
TI  - Distribution of light and heavy fractions of soil organic carbon as related to land use and tillage practice
AU  - Zhengxi Tan
AU  - R. Lal
AU  - L. Owens
AU  - R. C. Izaurralde
PY  - 2007
DO  - 10.1016/j.still.2006.01.003
UR  - https://pubs.usgs.gov/publication/70159364
ID  - 70159364
ER  -