Lumpkin Thoms A <br/><br/>
Azolla as a green manure    Use and management in crop production.      

 - Boulder  Westview Press        1982 
 - xx,230p.  cm. 
<br/><br/><label>Standard No.: </label>27832 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>J3 : 24, M2