COLLOQIUM of the Internatio <br/><br/>
Methods of K-Research in plants 
/June 19-21, 1989 
 - Switzerland  International  Potash Institute, CH-3048 Worblaufen-Bern  1989 
 - 336 p. 
<br/><br/><label>ISBN: </label>116650 
<br/><br/><label>Dewey Class. No.: </label>581.072  / COL