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Journal of the Selva Andina Biosphere
Article . 2017 . Peer-reviewed
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Journal of the Selva Andina Biosphere
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El caupí (Vigna unguiculata L. Walp) y su respuesta a la aplicación de ácidos húmicos (AH’s) en el Cantón Jipijapa en Ecuador

Authors: Fernando Ayón; Diana Veliz; Julio Gabriel;

El caupí (Vigna unguiculata L. Walp) y su respuesta a la aplicación de ácidos húmicos (AH’s) en el Cantón Jipijapa en Ecuador

Abstract

espanolEsta investigacion se realizo en el canton Jipijapa, provincia Manabi del Ecuador, con los siguientes objetivos: i) identificar la dosis de aplicacion foliar de los acido humico (AH’s) en el cultivo de Caupi, ii) determinar la epoca de aplicacion foliar de los AH’s y iii) determinar la tasa de retorno marginal en base al costo/beneficio. Se implemento una parcela en diseno experimental de bloques completamente al azar (DBCA) con arreglo factorial de 4 x 3 con cuatro repeticiones. Se evaluaron las variables altura de planta (AP), diametro de tallo (DT), longitud de vaina (LV), numero de mazos (NM) y peso promedio de los mazos (PPM). Los resultados mostraron que, para mejorar la produccion de caupi se requiere la adicion de cantidades significativas de hierro. La dosis de aplicacion foliar fue de 1000 cm3/ha de AH’s, la mayor AP fue de 48.76 cm y DT de 9.66 mm. La epoca de aplicacion foliar de los AH’s fue a los 30 dias, se obtuvo una longitud de vaina con 21.16 cm y numeros de mazos con 14.34. Para el peso de los mazos, el tratamiento fue la aplicacion a los 15 dias despues de la siembra. Se observo correlacion alta y significativa entre AP y DT (0.54). Al realizar el analisis economico el tratamiento T8, se utilizo 1000 cm3/ha de AH’s, aplicado a los 30 dias despues de la siembra, se tuvo la tasa de retorno marginal con 271.43%. EnglishThis research was carried out in the Jipijapa canton, Manabi province of Ecuador, with the following objectives: i) to identify the dose of humic acid in the caupi crop, ii) to determine the time for foliar application of humic acid, and iii) determine the marginal rate of return in terms of cost/benefit. A plot in experimental design of completely randomized blocks (DCRB) with factorial arrangement of 4 x 3 with four replications was implemented. The variables plant height (PH), stem diameter (SD), sheath length (SL), number of decks (ND) and average weight of decks (AWD) were evaluated. The results showed that to improve cowpea production, the addition of significant amounts of iron is required. The dose of leaf application was 1000 cm3/ha of humic acids, the PH was 48.76 cm and SD of 9.66 mm. The time for foliar application of humic acids was at 30 days, the length of pod was obtained with 21.16 cm and numbers of decks with 14.34. For the weight of the mallets, the treatment was the application to the 15 days after the sowing. There was a high and significant correlation between PH and SD (0.54). When the economic analysis was carried out, the T8 treatment, 1000 cm3/ha of humic acid was applied, applied 30 days after sowing was the one with the marginal return rate with 271.43%.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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