Methods of k- research in plants  

 - Bern  International Potash Institute  1989 
 - 336p.  23cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizers , soil conditioners, growth regulators<br/>Specific techniques<br/>Potassium fertilizers
<br/><br/><label>Dewey Class. No.: </label>631.83  / MET