The soil  working the soil  

 - Rome  Food and Agriculture Organization of the United Nations  1970 
 - 30p.  21cm 
 - Better farming series 9 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Specific techniques; apparatus, equipment, materials<br/>Soil sciences
<br/><br/><label>Dewey Class. No.: </label>631.4  / SOI