International Potash Institute <br/><br/>
Potassium in tropical crops and soils 

 -  International Potash Institute  1974 
 - 603p 
<br/><br/>International Potash Institute: Potassium in tropical crops and soils.  International Potash Institute, 1974.--(631.806INT)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>631.806  / IPI