Pottasium in soil :   proceedings of the 19th colloquium of the Int ernatiomal Potash Institute held in Landshut /  
Federal Republic of G ermany. 
 - [Berne],     1972. 
 - 220 p. :    ill. ;    23 cm. 
<br/><br/>  Opening and closing remarks in French.   On spine: 9th colloquium of the International Potash Institute 1972. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soils --Potassium content.------
<br/><br/><label>Dewey Class. No.: </label>631.416 INT