Mengel, Konrad <br/><br/>
Principles of plant nutrition /  
Konrad Mengel, Ernest A. Kirkby. 
 - 2nd ed. 
 - Worblaufen, Bern, Switzerland :   International Potash Institute,   1979. 
 - 593 p. :   il. 
<br/><br/><label>LCCN: </label>2001038360 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plantas--Nutrição.
<br/><br/><label>Dewey Class. No.: </label>581.13