Horton, Douglas <br/><br/>
Underground crops :  long-term trends in production of roots and tubers. 

 - Morrilton, AR :  Winrock International Institute for Agricultural Development,  1988. 
<br/><br/> Incluye: A note on the quality and interpretation of African data, por Paul Dorosh. 
<br/><br/><label>ISBN: </label>0-933595-19-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cultivos<br/>Hortalizas de raiz<br/>Producción vegetal<br/>Raíces<br/>Tubérculo
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Texto