Khasawneh, F. E. <br/><br/>
The role of phosphorus in agriculture ; proceedings of a symposium... 

 - Madison, Wis. :  American Society of Agronomy,  1980 
 - 910 p.  ; gráfs. 
<br/><br/><label>LCCN: </label>27634 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizantes fosfatados.<br/>Fósforo--Efecto en plantas.
<br/><br/><label>Dewey Class. No.: </label>631.85  / K4