Methods for studying soil microflora-plant disease relationships / 
by Leander F. Johnson... [et.al] 
 - Minneapolis :  Burgess Pub.,  1959 [printing1960] 
 - 178 p. :  ill. ;  22 cm. 
<br/><br/>Includes bibliography. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil microbiology.<br/>Plant diseases.
<br/><br/><label>Dewey Class. No.: </label>631.46  / MET 1960