Berger, J.  <br/><br/>
Maize production and the manuring of maize  (Book) 

 - Zurich  Centre d' Etude de I'Azote  1962 
 - 315 p.  28 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Corn Fertilizers
<br/><br/><label>Universal Decimal Class. No.: </label>633.15 BER  / 2624