The soil-how the soil is made up / 
Food and Agriculture Organization of the United Nations 
 - Rome :  FAO,  1970 
 - 32 p. :  ill. ;  21 cm. 
 - Better farming series / FAO ;  7 .
<br/><br/> Translation and adaptation of : "Le solcomment est fait le sol" published by INADES  Cover ill. prepared by Asun Balzola 
<br/><br/><label>ISBN: </label> USD 0.25 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil<br/>Soil chemistry<br/>Soil compaction<br/>Soil consolidation
<br/><br/><label>Dewey Class. No.: </label>631