Roberts, Steve. <br/><br/>
Potato use of phosphorus and potassium in sandy soils 

 - Pullman :  Washington State University,  1988 
 - 13 p 
 - Research bulletin  ; XB1004 .
 - Research bulletin  ; XB1004 .
<br/><br/> D45-231 
<br/><br/><label>LCCN: </label>2443 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fósforo--Efecto en papa.<br/>Potasio--Efecto en papa.<br/>Suelos arenosos.