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

 - 1st ed. 
 - Switzerland  Kluwer Academic  1978 
 - 593 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PLANTS -- NUTRITION
<br/><br/><label>LC Class. No.: </label>QK867  / M193P 1978