Soil analysis:  handbook of reference methods 
/by Soil and Plant Analysis Council 
 - Boca Raton, Florida :  CRC Press,  1999 
 - 247 p. :  ilus. ; gráfs. ; tablas ; diagramas 
<br/><br/><label>ISBN: </label>0849302056 
<br/><br/><label>LCCN: </label>83302 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizantes--Efecto en suelos.<br/>Suelos--Análisis.<br/>Suelos--Manuales de laboratorio.
<br/><br/><label>Dewey Class. No.: </label>631.42  / S63