TY  - BOOK
AU  - Uphoff, Norman ed, [et.al.]
TI  - Biological approaches to sustainable soil systems
SN  - 1574445839 (alk. paper)
PY  - 2006///
CY  - Boca Raton
PB  - CRC/Taylor & Francis
KW  - Soil management
KW  - Soil biology
KW  - Soil fertility
KW  - Soil ecology
ER  -