TY  - BOOK
AU  - Davidson,Joan
AU  - Lloyd,R.
TI  - Conservation and agriculture
SN  - 0471995029 :
U1  - 333.760942 
PY  - 1977///
CY  - Chichester
PB  - Wiley
KW  - Conservation of natural resources
KW  - Agriculture
N1  - Includes bibliographical references and index
ER  -