TY  - BOOK
AU  - Hanley, J.A.
TI  - Progressive Farming: The Maintenance of High Production
U1  - 631 
PY  - 1949///
CY  - London
PB  - The Caxton Publishingn Co. Ltd.
KW  - Agriculture and related technologies
KW  - Technology (Applied sciences)
KW  - Agriculture
ER  -