Guidelines for soil description 

 - 4th ed 
 - Rome  FAO  2006 
 - 97p.  Illustrated 
<br/><br/><label>ISBN: </label>9251055211 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil profiles<br/>Soils--Composition
<br/><br/><label>LC Class. No.: </label>S 592  / .G85 2006