Pew, Weymoth D. <br/><br/>
Growing head lettuce in Arizona 

 - Tucson, Arizona :  University of Arizona. Cooperative Extensión Service,  [1989 ?] 
 - 13 p. 
<br/><br/> 53-397 
<br/><br/><label>LCCN: </label>4547 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lechuga--Arizona.<br/>Lechuga--Crecimiento.