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    Inoculant formulation and application determine nitrogen availability and water use efficiency in soybean production

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    Book Chapter (1.115Mb)
    Date
    2022-02-22
    Author
    Engoke, C.
    Chikoye, D.
    Boahen, S.
    Type
    Book Chapter
    Review Status
    Peer Review
    Target Audience
    Scientists
    Metadata
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    Abstract/Description
    Inoculation of suitable rhizobia enhances biological nitrogen fixation in soybean production and are economically viable for use among smallholder farmers due to its low price over inorganic commercial fertilizer blends. In Mozambique, inoculants are available in liquid or solid form (powder/peat or granular). Field studies were conducted in 2017 and 2018 seasons in three agroecologies (Angonia, Nampula and Ruace) in Mozambique to evaluate the performance of inoculants when applied directly to soil and on seed before planting. Data on nodulation, plant growth, nitrogen fixed, 13C isotope discrimination related water use efficiency, yield and yield components were analyzed in Statistical Analysis System® 9.4. Nodulation, yield, and yield components were significant for the different application methods, and solid form tended to be better than liquid form. The nitrogen derived from atmosphere (%Ndfa) were 45.3%, 44.2% and 43.6% with a yield of 2672, 1752 and 2246 kg ha 1 for Angonia, Nampula and Ruace, respectively. Overall, inoculants applied on soil or seed increase the amount of biologically fixed nitrogen and has the potential of improving soybean productivity in Mozambique.
    https://dx.doi.org/10.5772/intechopen.102639
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/8001
    IITA Authors ORCID
    Canon Norris Savala Engokehttps://orcid.org/0000-0002-9667-2324
    David Chikoyehttps://orcid.org/0000-0002-6047-9821
    Stephen Boahen Asaberehttps://orcid.org/0000-0001-8946-401X
    Digital Object Identifier (DOI)
    https://dx.doi.org/10.5772/intechopen.102639
    Research Themes
    Plant Production and Health
    IITA Subjects
    Agronomy; Crop Systems; Food Security; Grain Legumes; Plant Breeding; Plant Health; Plant Production; Soybean
    Agrovoc Terms
    Carbon Isotopes; Nodulation; Soybeans; Rhizobiaceae; Water Use Efficiency; Yields
    Regions
    Africa; Southern Africa
    Countries
    Mozambique
    Hubs
    Southern Africa Hub
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