Nutrient balances and the need for potassium  proceedings of the 13th IPI-Congress 

 - Switzerland  International potash institute  1986 
 - 299p.  23cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Potassium fertilizers<br/>Fertilizers,soil conditioners,growth regulators<br/>Agriculture and related technologies<br/>Specific techniques
<br/><br/><label>Dewey Class. No.: </label>631.83  / NUT