Halderman, Allan D. <br/><br/>
Irrigation  : when? How much ? How? 

 - Tucson, Arizona :  The University of Arizona. College of Agriculture,  1981 
 - 6 p.  : ilus. 
<br/><br/> 56-26 
<br/><br/><label>LCCN: </label>5088 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Irrigación.