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    Impact of soil fertility management practices on the nutritional quality of Soybean (Glycine max (l.) Merr.) varieties grown in Eastern Zambia

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    Impact of soil fertility management practices on the nutritional.pdf (831.5Kb)
    Date
    2019
    Author
    Alamu, E.O.
    Gondwe, T.
    Akinwale, G.
    Suzuki, K.
    Chisonga, C.
    Chigeza, G.
    Maziya-Dixon, B.
    Type
    Journal Article
    Target Audience
    Scientists
    Metadata
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    Abstract/Description
    Zambia has three primary agro-ecological regions, with each region having specific ecological characteristics. Region II agro-ecological zone of Zambia has low nutrient reserves and poor water holding capacity due to moderately leached clayey to loamy soil; this has led to low soybean productivity. Soil fertility management (ISFM) strategies such as the use of inorganic fertilizers and the use of inoculants of rhizobia have been introduced and promoted among small-scale farmers in Eastern Province. Two soybean varieties (Lukanga and Kafue) were used for this study and 96 samples from on-farm soil fertility management trials in Chipata, and Petauke districts were collected for the determinations of nutritional and anti-nutritional properties. The proximate analysis of Chipata samples showed that the ash content 5.10‒6.23%, fat content 17.71‒25.57%, protein content 27.73‒37.11%, amylose content 1.26‒4.56 %, sugar content 6.75‒9.62%, and starch content 4.00‒18.57%, while anti-nutritional properties ranged between 3.07 and 8.21% for phytate and 1.42‒3.35% for tannin. With Petauke, the ash content 3.32‒6.8 %, fat content 19.16‒26.85%, protein content 27.68‒35.62%, amylose 2.00‒4.37%, sugar content 6.23‒9.76%, and starch content 5.70‒18.63%. Phytate and tannin contents were 3.37‒7.90% and 0.14‒3.32%, respectively. The highest protein content was found at the level of 37.11% in Kafue with 40kg P/ha and inoculant, and the least was 27.73% for Lukanga without inputs in Chipata while in Petauke, Lukanga with 40 P/ha and inoculant had the highest protein content of 35.62% and the least was 27.68% for Lukanga with inoculant. The co-application of rhizobia inoculant and P nutrient increased phytate, and tannin content significantly (P < 0.05).
    https://dx.doi.org/10.1080/23311932.2019.1671117
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/6511
    Non-IITA Authors ORCID
    Alamu Emmanuel Oladejihttps://orcid.org/0000-0001-6263-1359
    Therese Gondwehttps://orcid.org/0000-0002-4522-7060
    Gbenga Akinwalehttps://orcid.org/0000-0001-7330-2825
    Kanako Suzukihttps://orcid.org/0000-0001-9068-9080
    Godfree Chigezahttps://orcid.org/0000-0002-9235-0694
    Digital Object Identifier (DOI)
    https://dx.doi.org/10.1080/23311932.2019.1671117
    Research Themes
    NATURAL RESOURCE MANAGEMENT; NUTRITION & HUMAN HEALTH; PLANT PRODUCTION & HEALTH
    IITA Subjects
    Nutrition; Soil Fertility; Soybean
    Agrovoc Terms
    Soil Fertility; Fertilizers; Soil Management; Soybeans; Inoculation
    Regions
    Africa; Southern Africa
    Countries
    Zambia
    Journals
    Cogent Food & Agriculture
    Collections
    • Journal and Journal Articles4835
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