Soil management and conservation for small farms :   strategies and methods of introduction, technologies and equipment/  
Experiences fr om the state of Santa Catarina, Brazil by Valdemar Hercilio de Freitas. 
 - Rome :   Food and Agricultural Organization,   2000. 
 - vi, 66 p. ;    30 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil management.--------<br/>Soil conservation.--------