TY  - BOOK
AU  - Hayes,Jack
ED  - United States.
TI  - Will there be enough food? / 
T2  - Yearbook of agriculture ; 
U1  - 338.1973 21
PY  - 1981///
CY  - [Washington] : 
PB  - The Department, 
KW  - Agricultural productivity
KW  - United States
KW  - Agriculture
KW  - Food supply
N1  - Includes bibliographies and index
ER  -