Konrad Mengel <br/><br/>
Principles of Plant Nutrition 

 - New Delhi  Panima Educational Book Agency  1987 
 - 687p 
<br/><br/>Konrad Mengel & Ernest. A Kirkby: Principles of Plant Nutrition.  New Delhi.  Panima Educational Book Agency, 1987. 3-906-535-03-7--(581.13MEN)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>3-906-535-03-7 
<br/><br/><label>Dewey Class. No.: </label>581.13  / MEN