00805nam a2200229ua 4500003001000000005001700010008004100027020001800068040003000086100002000116245007700136260009000213500008800303650001300391650002300404650002500427650001300452650001600465655001000481700001700491710006700508AR-SsjUCA20250716140526.0250228s1988    xxu           000 0 eng d  a0-933595-19-0  aAR-SsjUCAbspacAR-SsjUCA1 aHorton, Douglas10aUnderground crops :blong-term trends in production of roots and tubers.  aMorrilton, AR :bWinrock International Institute for Agricultural Development,c1988.  aIncluye: A note on the quality and interpretation of African data, por Paul Dorosh. 4aCultivos 4aHortalizas de raiz 4aProducción vegetal 4aRaíces 4aTubérculo 4aTexto1 aDorosh, Paul2 aWinrock International Institute for Agricultural Development.