TY  - BOOK
AU  -  Davidson,Joan
AU  - Lioyd ,Richard
TI  - Conservation and Agriculture 
SN  - 0471995029
U1  - 333.76 
PY  - 1977///
CY  - New York: 
PB  - John wiley&Sons, 
KW  - Agriculture
KW  - Economics
KW  - Grassland
KW  - Upland Pasture
ER  -