Dregne, Harold E. <br/><br/>
Dryland agriculture 

 - Madison, Wis. :  American Society of Agronomy,  1983 
 - 622 p.  : gráfs. 
 - Agronomy  ; 33 .
 - Agronomy  ; 33 .
<br/><br/><label>LCCN: </label>64478 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultura--Regiones áridas.
<br/><br/><label>Dewey Class. No.: </label>631.0915  / D74