01009nam a2200253ua 4500003001000000005001700010008004100027020001800068040003000086100002700116245007700143260009000220500008800310650002000398650003000418650003200448650002000480650002300500655001700523700002400540710007400564999001700638952010000655AR-SsjUCA20250716140526.0250228s1988    xxu           000 0 eng d  a0-933595-19-0  aAR-SsjUCAbspacAR-SsjUCA1 aHorton, Douglas92841410aUnderground 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. 4aCultivos924135 4aHortalizas de raiz928416 4aProducción vegetal924182 4aRaíces924499 4aTubérculo924142 4aTexto9240881 aDorosh, Paul9284212 aWinrock International Institute for Agricultural Development. 928422  c17602d17602  00104070aCAbCAd2014-10-11l0o635.2 HOR Ej.1pXCA0847r2025-07-15 00:00:00w2025-07-15yLB