Darrell A. Russel <br/><br/>
Laboratory manual for soil fertility students 

 - Iowa  W.M.C.Brown Company 
 - 57p 
<br/><br/>Darrell A. Russel & George Stanford: Laboratory manual for soil fertility students.  Iowa.  W.M.C.Brown Company,--(631.42RUS)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>631.42  / RUS