Improved upland rice farming systems 

 - Rome :  FAO,  1994 
 - 117 p.  : ilus. 
<br/><br/><label>LCCN: </label>72725 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arroz.<br/>Sistemas de cultivo.
<br/><br/><label>Dewey Class. No.: </label>633.18  / F45