Conservation and agriculture / 
edited by Joan Davidson and Richard Lloyd 
 - Chichester :  John Wiley & Sons;  1977 
 - xii, 252 p.,  8  leaves of plates. :  ill. ;  24 cm. 
<br/><br/> A Wiley-Interscience publication 
<br/><br/><label>ISBN: </label>0471995029 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conservation of natural resources<br/>Agriculture