TY  - BOOK
AU  - Worthen, Edmund L
TI  - Farm Soil: Theirmanagement and Fertilization
U1  - 577.57 
PY  - 1936///
CY  - New York
PB  - John Wiley and Sons
KW  - General Stack
KW  - Ecology
KW  - Soil
KW  - Botany
ER  -