Kampreath, Eugene J. <br/><br/>
Chemical aspects and mineral forms of soil phosphorus in tropical regions 

 - Raleigh :  North Carolina State University. Dep. of Soil Science,  1974 
 - 17 p. 
<br/><br/><label>LCCN: </label>26600 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Suelos tropicales.<br/>Suelos--Análisis.<br/>Suelos--Fósforo en.