The soil :  working the soil (continued) / 
Food and Agriculture Organization of the United Nations 
 - Rome :  FAO,  1970 
 - 34 p. :  ill. ;  21 cm. 
 - Better farming series / FAO ;  9 .
<br/><br/> This manual is translation and adaptation of : "Le sol-btravil du sol (suite)" published by the Agri-Service-Afrique of the INADES  Cover ill. prepared by Asun Balzola 
<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