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Screening of different tropical legumes in monoculture and in association with cassava for adaption to acid infertile and high Al content soil

By: Material type: ArticleArticleLanguage: English Description: 28(3):283-289Subject(s): LOC classification:
  • 37275
 In: Beitrage zur Tropischen Landwirtschaft und VeterinarmedizinSummary: Se evaluaron 9 leguminosas de grano tropicales (165 cv.) por adaptacion a Oxisoles con bajo pH (3.9-4.1) y alto contenido de Al, en monocultivo y en asociacion con yuca. Con poca o ninguna fertilizacion, los rendimientos fueron bajos. El unico rendimiento aceptable se obtuvo con caupi, con un prom. de 1.1 t/ha en monocultivo y 0.45 t/ha en asociacion con yuca. En el ultimo caso, el rendimiento de yuca disminuyo en 26 por ciento. Las otras leguminosas (a excepcion de Stizilobium derringianum) presentaron bajos rendimientos si acaso, pero algunas de ellas aumentaron el rendimiento de raices y de almidon de la yuca. (RA-CIAT)Summary: Nine tropical grain legumes with 165 cultivars were screened for adaption to oxisol with a low pH (3.9-4.1) and a high Al content in monoculture and in association with cassava. With little or no fertilization the yields were low. The only acceptable yield was obtained from cowpea (Vigna unguiculata), averaging 1.1 t/ha in monoculture and 0.45 t/ha in association with cassava. In the latter case, the cassava yield decreased by 26 percent. The other legumes - except for the velvet bean (Stizilobium derringianum) - were low yielding or without any yield, but some of them increased the tuber and starch yield of cassava. (AS)
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Journal Article Journal Article CIAT Library Document collection CINFOS Document Collection CINFOS 37275 (Browse shelf(Opens below)) c.1 Short Loan 100056642
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Se evaluaron 9 leguminosas de grano tropicales (165 cv.) por adaptacion a Oxisoles con bajo pH (3.9-4.1) y alto contenido de Al, en monocultivo y en asociacion con yuca. Con poca o ninguna fertilizacion, los rendimientos fueron bajos. El unico rendimiento aceptable se obtuvo con caupi, con un prom. de 1.1 t/ha en monocultivo y 0.45 t/ha en asociacion con yuca. En el ultimo caso, el rendimiento de yuca disminuyo en 26 por ciento. Las otras leguminosas (a excepcion de Stizilobium derringianum) presentaron bajos rendimientos si acaso, pero algunas de ellas aumentaron el rendimiento de raices y de almidon de la yuca. (RA-CIAT) spa

Nine tropical grain legumes with 165 cultivars were screened for adaption to oxisol with a low pH (3.9-4.1) and a high Al content in monoculture and in association with cassava. With little or no fertilization the yields were low. The only acceptable yield was obtained from cowpea (Vigna unguiculata), averaging 1.1 t/ha in monoculture and 0.45 t/ha in association with cassava. In the latter case, the cassava yield decreased by 26 percent. The other legumes - except for the velvet bean (Stizilobium derringianum) - were low yielding or without any yield, but some of them increased the tuber and starch yield of cassava. (AS) eng

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