TY  - BOOK
AU  - Worthen, Edmund L.
AU  - Aldrich, Samuel R.
TI  - Farm Soils: Their fertilization and Management
U1  - 631.4 
PY  - 1956///
CY  - New York
PB  - John Wiley and Sons, Inc.
KW  - Agriculture and related technologies
KW  - Technology (Applied sciences)
KW  - Soils
ER  -