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dc.contributorAbaidoo, Roberten_US
dc.contributorEwusi-Mensah, Nanaen_US
dc.contributorMasso, Cargeleen_US
dc.creatorUlzen, Jacoben_US
dc.date.accessioned2019-05-01T09:44:04Z
dc.date.available2019-05-01T09:44:04Z
dc.identifierhttps://cgspace.cgiar.org/handle/10568/98410en_US
dc.identifierhttps://mel.cgiar.org/reporting/download/hash/a4b69fa0ce35115309093153972c8552en_US
dc.identifier.citationJacob Ulzen, Robert Abaidoo, Nana Ewusi-Mensah, Cargele Masso. (15/11/2018). On-farm evaluation and determination of sources of variability of soybean response to Bradyrhizobium inoculation and phosphorus fertilizer in northern Ghana. Agriculture, Ecosystems and Environment, 267, pp. 23-32.en_US
dc.identifier.urihttps://hdl.handle.net/20.500.11766/9894
dc.description.abstractSoybean yields on smallholder farms in sub-Sahara Africa (SSA) are far below the potential yield thus creating a huge yield gap. Interventions are thus needed to bridge this yield gap and ascertain the factors influencing the yield variation. This study evaluated the on farm response of soybean to rhizobia inoculation and or mineral P fertilizer in Northern and Upper West regions of Ghana in a single non-replicate trial using four treatments: no input (control), TSP fertilizer (P), rhizobia inoculant (I) and TSP plus inoculant (P + I). In addition, the study sought to develop a robust approach for determining responsiveness and non-responsiveness using agronomic and economic indices. The results showed that the average grain yield of plots that received P or I were higher than control plots. Higher grain yield responses were however, obtained by the plots that received combined application of P and Bradyrhizobium inoculant. Grain yield response in the Northern region was higher than in the Upper West region. Response to P and or I were highly variable within and between locations. The cumulative rainfall and some soil factors including soil nitrogen, phosphorus, soil type, organic carbon, pH and texture explained about 42–79% of these variations in soybean grain yield. The agronomic approach for determining responsive and non-responsiveness revealed that 17–40 % and 6–17% of the locations within the Northern and Upper West regions, respectively were responsive to P fertilization and/ or Bradyrhizobium inoculation. However, the economic approach indicated that 64–75% and 14–24% of the locations within the Northern and Upper West regions, respectively were responsive to P fertilization and Bradyrhizobium inoculation. The results imply that rhizobia inoculation is an effective strategy for increasing soybean yield and improving livelihood of smallholder farmers.en_US
dc.languageenen_US
dc.publisherElsevier Massonen_US
dc.rightsCC-BY-NC-4.0en_US
dc.sourceAgriculture, Ecosystems and Environment;267,(2018) Pagination 23-32en_US
dc.subjectbradyrhiobiumen_US
dc.titleOn-farm evaluation and determination of sources of variability of soybean response to Bradyrhizobium inoculation and phosphorus fertilizer in northern Ghanaen_US
dc.typeJournal Articleen_US
dcterms.available2018-11-15en_US
dcterms.extent23-32en_US
cg.creator.idAbaidoo, Robert: 0000-0002-1235-2252en_US
cg.creator.idMasso, Cargele: 0000-0002-3980-6832en_US
cg.subject.agrovocsmallholdersen_US
cg.subject.agrovocfarmersen_US
cg.subject.agrovocgrain legumesen_US
cg.subject.agrovocwest africaen_US
cg.subject.agrovocghanaen_US
cg.subject.agrovocyieldsen_US
cg.subject.agrovocsoybeansen_US
cg.subject.agrovocsoil typesen_US
cg.contributor.centerInternational Institute of Tropical Agriculture - IITAen_US
cg.contributor.centerKwame Nkrumah University of Science and Technology - KNUSTen_US
cg.contributor.crpCGIAR Research Program on Grain Legumes and Dryland Cereals - GLDCen_US
cg.contributor.funderBill & Melinda Gates Foundation - BMGFen_US
cg.contributor.funderKwame Nkrumah University of Science and Technology - KNUSTen_US
cg.contributor.project-lead-instituteInternational Center for Agricultural Research in the Dry Areas - ICARDAen_US
cg.coverage.regionWestern Africaen_US
cg.coverage.countryGHen_US
cg.contactabaidoorc@yahoo.comen_US
cg.identifier.doihttps://dx.doi.org/10.1016/j.agee.2018.08.007en_US
dc.identifier.statusOpen accessen_US
cg.issn0167-8809en_US
cg.journalAgriculture, Ecosystems and Environmenten_US
cg.volume267en_US


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