TY  - BOOK
AU  - Uphoff,Norman Thomas
TI  - Biological approaches to sustainable soil systems
SN  - 1574445839
PY  - 2006///
CY  - Boca Raton
PB  - CRC/Taylor & Francis
KW  - Soil management
KW  - Soil biology
KW  - Soil fertility
KW  - Soil ecology
N1  - Includes bibliographical references and index
UR  - http://www.loc.gov/catdir/enhancements/fy0661/2005034628-d.html
ER  -