TY  - BOOK
AU  - Troeh, Frederick R.
AU  - Thompson, Louis M.
TI  - Soil and soil fertility
SN  - 9788126517879
U1  - 631.42 T 743 S 
PY  - 2008///
CY  - USA
PB  - Blackwell
KW  - Soil Fertility
ER  -