Wolf, B.  <br/><br/>
Diagnostic techniques for improving crop production: instructor's manual  (Book) 

 - Binghamton, NY  The Haworth  1996 
 - 94 p.  21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crop improvement Crop yields
<br/><br/><label>Universal Decimal Class. No.: </label>581.1 WOL  / 15650