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Efecto De Marcos De Plantacion Sobre El Rendimiento De Yuca (Manihot Esculenta Crantz) En Esperanza, Valverde, Republica Dominicana

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  • Hernandez N., Ramon

Abstract

Los rendimientos potenciales de raices frescas de yuca pueden superar las 70 t/ha (CIAT 1979), en el pais se obtienen 8 t/ha (SEA 2003). Esta diferencia se debe a la siembra de variedades inadecuadas y el uso de prâcticas agronômicas déficientes. Una prâctica que contribuye al aprovechamiento del terreno y a eficientizar la aplicaciôn de tecnologias, es usar marcos de siembra adecuados. Esta investigaciôn tuvo por objetivo determinar el mejor marco para las variedades evaluadas y su efecto sobre el rendimiento de raices frescas comerciales. Se realizô en Esperanza, Provincia Valverde en el periodo octubre 2001-julio 2002. Se utilizô un diseno de parcelas divididas con el factor "variedad" en parcela principal y el factor "marco de plantaciôn" en subparcelas. Se utilizô cinco variedades y cuatro distancias de siembra. Cada tratamiento se replicô cuatro veces. Los rendimientos de raices fueron diferentes estadisticamente (p=0.05) para ambos factores. No hubo diferencias para la interacciôn distancias por variedades. Un anâlisis de regresiôn entre las distancias mostrô que a mayor distancia los rendimientos disminuyen. Los rendimientos mejores se obtuvieron al sembrar a 1.0m entre hileras por 0.40m entre plantas con 29.65 t/ha, y los mâs bajos a lxlm con 23.9 t/ha. La variedad "Americanita" produjo mayor cantidad de raices (34.22 t/ha), la variedad "Taverita" presentô los rendimientos mâs bajos 21.5 t/ha, seguida de "Bilin" 23.6 t/ha y "Negrita" 24.1 t/ha.

Suggested Citation

  • Hernandez N., Ramon, 2005. "Efecto De Marcos De Plantacion Sobre El Rendimiento De Yuca (Manihot Esculenta Crantz) En Esperanza, Valverde, Republica Dominicana," 41st Annual Meeting, July 10-16, 2005, Guadeloupe, French Caribbean 264171, Caribbean Food Crops Society.
    • Handle: RePEc:ags:cfcs05:264171
    DOI: 10.22004/ag.econ.264171
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