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    Combined application of inoculant, phosphorus and organic manure improves grain yield of cowpea

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    S19ArtUlzenCombinedInthomDev.pdf (2.226Mb)
    Date
    2019
    Author
    Ulzen, J.
    Abaidoo, R.C.
    Ewusi-Mensah, N.
    Masso, C.
    Type
    Journal Article
    Target Audience
    Scientists
    Metadata
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    Abstract/Description
    Low concentrations of P and organic manure in savanna soils limit cowpea response to rhizobia. The study was conducted to determine the combined effect of P and organic manure on cowpea response to rhizobia in a factorial experiment arranged in randomized complete block design with three replications on smallholder farmers’ fields in northern Ghana in 2015. The factors were two levels of Bradyrhizobium inoculant, two levels of P fertilizer, three treatments of manure (fertisoil, cattle manure, and no manure). Addition of Bradyrhizobium inoculant to P and fertisoil significantly increased shoot biomass yield from 1677 kg ha−1 in the plots without Bradyrhizobium inoculation to 1913 kg ha−1. Likewise, the addition of Bradyrhizobium inoculant to P and cattle manure significantly increased shoot biomass from 1437 kg ha−1 to 1813 kg ha−1. Grain yield increases of 1427 and 1278 kg ha−1 were obtained over the control when either fertisoil or cattle manure and P, respectively, were added to Bradyrhizobium inoculant. The value cost ratio for adding Bradyrhizobium inoculant to phosphorus and fertisoil was two indicating that it could be attractive to risk-averse smallholder farmers. The study demonstrated the potential of the combined application of organic matter and P to improve cowpea response to Bradyrhizobium inoculation.
    https://dx.doi.org/10.1080/03650340.2019.1669786
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/6534
    Non-IITA Authors ORCID
    Robert Abaidoohttps://orcid.org/0000-0002-1235-2252
    Cargele Massohttps://orcid.org/0000-0002-3980-6832
    Digital Object Identifier (DOI)
    https://dx.doi.org/10.1080/03650340.2019.1669786
    Research Themes
    NATURAL RESOURCE MANAGEMENT
    IITA Subjects
    Agronomy; Cowpea; Grain Legumes; Natural Resource Management; Nutrition; Soil Fertility
    Agrovoc Terms
    Bradyrhizobium; Nutrients; Agronomy; Organic Fertilizers; Cowpeas; Soil Fertility; Crop Yield
    Regions
    Africa; West Africa
    Countries
    Ghana
    Journals
    Archives of Agronomy and Soil Science
    Collections
    • Journal and Journal Articles4835
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