Balls, W. Lawrence <br/><br/>
Yields of a crop :  based on an analysis of cotton-growing by irrigation in Egypt / 
W. Lawrence Balls 
 - London :  Spon ,  1953 
 - xv, 144p. :  ill. ;  23 cm. 
<br/><br/>Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crops<br/>Cotton<br/>Agriculture--Egypt
<br/><br/><label>Dewey Class. No.: </label>633.51  / BAL