Potassium For agriculture   a situation analysis  

 - Atlanta  Potash & phosphate institute  1980 
 - 216p.  28cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Potassium fertilizes<br/>Fertilizers , soil conditioners, growth regulators<br/>Specific techniques
<br/><br/><label>Dewey Class. No.: </label>631.83  / POT