Boeringa, R <br/><br/>
Alternative methods of agriculture 

 - Amsterdam  Elsevier  1980 
 - vi,199 p. 
 - Developments in agricultural and managed-forest ecology .
<br/><br/><label>ISBN: </label>0444418938 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cultivation & Harvesting
<br/><br/><label>Dewey Class. No.: </label>631.5  / ALT