Groundnut yields response and economic benefits of fungicide and phosphorus application in farmer-managed trials in northern Ghana

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dc.contributor.author Naab, J.B.
dc.contributor.author Seini, S.S.
dc.contributor.author Gyasi, K.O.
dc.contributor.author Mahama, G.Y.
dc.contributor.author Prasad, P. V. Vara
dc.contributor.author Boote, K.J.
dc.contributor.author Jones, J.W.
dc.date.accessioned 2011-10-07T15:02:18Z
dc.date.available 2011-10-07T15:02:18Z
dc.date.issued 2009-07-17
dc.identifier.uri http://hdl.handle.net/2097/12210
dc.description Citation: Naab, J. B., S. S. Seini, K. O. Gyasi, G. Y. Mahama, P. V. V. Prasad, K. J. Boote, and J. W. Jones. “GROUNDNUT YIELD RESPONSE AND ECONOMIC BENEFITS OF FUNGICIDE AND PHOSPHORUS APPLICATION IN FARMER-MANAGED TRIALS IN NORTHERN GHANA.” Experimental Agriculture 45, no. 4 (October 2009): 385–99. https://doi.org/10.1017/S0014479709990081.
dc.description.abstract Prior on-station research showed that sowing dates, sowing density and applications of fungicide and phosphorus (P) increased groundnut (Arachis hypogaea) pod yield by 60–80%. Farmer-managed trials were conducted in the Wa district of the Upper West Region of Ghana from 2004 to 2007 to test the yield response to sowing density, fungicide and P and to assess economic returns of these technologies to farmers. Treatments included: an early maturing groundnut cultivar, Chinese, sown at farmers’ density (5–8 plant m−2) without fungicide and without P application (T1, control), with fungicide sprays alone (T2), or with fungicide and P application (T3), cultivar Chinese sown at recommended (higher) density (20 plant m−2) with fungicide and P application (T4), and a full season cultivar, Manipinter, with fungicide and P application (T5). Soil fertility, sowing density, days from sowing to first weeding, incidence and severity of leaf-spot disease and plant population at final harvest were recorded. Relative to farmers’ practice, pod yield of cultivar Chinese was significantly increased by 80% with fungicide sprays alone, 108% with fungicide and P application, and 113% with fungicide and P application at higher sowing density. Cultivar Manipinter treated with fungicide and P gave 107% increase in pod yield relative to farmers’ practice. Correlation and stepwise regression analyses suggested that major determinants of groundnut pod yield in farmers’ fields were plant density, leaf-spot disease and P availability. The increase in yield with fungicide and P application translated into a 4–5-fold increase in gross margin for farmers in the region. Returns to labour and labour productivity were doubled with combined use of fungicide and P fertilizer. en_US
dc.relation.uri https://doi.org/10.1017/S0014479709990081 en_US
dc.rights Copyright Cambridge University Press 2009 en_US
dc.rights This Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s).
dc.rights.uri https://rightsstatements.org/page/InC/1.0/?language=en
dc.subject Arachis hypogaea en_US
dc.subject Fungicide application en_US
dc.subject Groundnut en_US
dc.subject Phosporus application en_US
dc.subject Ghana en_US
dc.title Groundnut yields response and economic benefits of fungicide and phosphorus application in farmer-managed trials in northern Ghana en_US
dc.type Text en_US
dc.date.published 2009 en_US
dc.citation.doi 10.1017/S0014479709990081 en_US
dc.citation.epage 399 en_US
dc.citation.issn 0014-4797
dc.citation.issue 4 en_US
dc.citation.jtitle Experimental Agriculture en_US
dc.citation.spage 385 en_US
dc.citation.volume 45 en_US
dc.citation Naab, J. B., S. S. Seini, K. O. Gyasi, G. Y. Mahama, P. V. V. Prasad, K. J. Boote, and J. W. Jones. “GROUNDNUT YIELD RESPONSE AND ECONOMIC BENEFITS OF FUNGICIDE AND PHOSPHORUS APPLICATION IN FARMER-MANAGED TRIALS IN NORTHERN GHANA.” Experimental Agriculture 45, no. 4 (October 2009): 385–99. https://doi.org/10.1017/S0014479709990081.
dc.contributor.authoreid vara en_US
dc.description.version Article (Version of Record)


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