Hewitt e. j. <br/><br/>
Plant  mineral nutrition 

 - Great britain  Fletcher & son  1974 
<br/><br/><label>ISBN: </label>0 340 18498 1 
<br/><br/><label>LC Class. No.: </label>W581.1335/HE 
<br/><br/><label>Dewey Class. No.: </label>W581.1335/HE