Shumway, C. Richard <br/><br/>
Production costs and yields of California field crops and vegetables by area, average 1961-65 and projected 1980 / 
C. Richard Shumway & Harold M. Stults 
 - Berkeley :  California Agricultural Experiment Station ,  1969 
 - v, 82p. :  ill. ;  27 cm.  
 - Giannini Foundation research report .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural statistics<br/>Vegetables<br/>Field crops
<br/><br/><label>Dewey Class. No.: </label>630.31  / SHU