Doerge, T. A. <br/><br/>
Fertilizing head lettuce in Arizona 

 - Tucson, Arizona :  The University of Arizona,  [198 ?] 
 - 3 h.  : ilus 
 - Cooperative extension  ; 8922 .
 - Cooperative extension  ; 8922 .
<br/><br/> 53-396 
<br/><br/><label>LCCN: </label>4546 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizantes--Efecto en lechuga.<br/>Lechuga--Arizona.