Quemener, J. <br/><br/>
The measurement of soil potassium 

 - Bern :  Instituto Internacional de la Potasa,  1979 
 - 48 p.  : ilus. 
 - IPI. Research topics  ; 4 .
 - IPI. Research topics  ; 4 .
<br/><br/><label>LCCN: </label>37626 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Suelos--Análisis.<br/>Suelos--Potasio en.