TY  - BOOK
AU  - Thompson,Louis M
AU  - Troeh,Frederick R.
TI  - Soils and soil fertility
SN  - 007064411X :
PY  - 1978///
CY  - New York
PB  - McGraw-Hill
KW  - Soil science
KW  - Soil fertility
N1  - Includes bibliographies
ER  -