Organic manure improves soybean response to rhizobia inoculant and p-fertilizer in northern Ghana

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dc.creatorUlzen, J.
dc.creatorAbaidoo, Robert C.
dc.creatorEwusi-Mensah, N.
dc.creatorOsei, O.
dc.creatorMasso, C.
dc.creatorOpoku, A.
dc.date2020-09
dc.date2021-02-18T11:44:35Z
dc.date2021-02-18T11:44:35Z
dc.date.accessioned2026-06-27T15:56:07Z
dc.descriptionInherently low concentrations of soil nutrients and erratic rainfall pattern in sub-Sahara Africa limit soybean response to rhizobia inoculant and P-fertilizer. The study was conducted to: (i) improve soybean response to rhizobia inoculation and P-fertilizer through the addition of organic manure; (ii) enhance rain water use efficiency and (iii) determine the economic viability of combined application of the three factors in soybean cropping systems in the Northern region of Ghana. A factorial experiment with two levels of rhizobia inoculant, two levels of Phosphorus, two different kinds organic manure [fertisoil (a commercially prepared compost from urban waste, rice husks, of poultry manure and shea butter waste) and cattle manure] and a control arranged in randomized complete block design with three replications was established on farmers’ fields. The combined application of rhizobia inoculant, P-fertilizer, and organic manure markedly increased nodulation, shoot biomass, haulms, harvest index (HI), P agronomic efficiency (P-AE), and rain water use efficiency (RUE) compared to the control. The combined application of rhizobia inoculant, P-fertilizer, and fertisoil increased grain yield by four-folds whereas the combined application of rhizobia inoculant, P-fertilizer, and cattle manure increased grain yield by three- folds. Harvest index, P-AE, and RUE were relatively higher with the fertisoil treatment combinations than with the cattle manure combinations and the control treatment. The application of rhizobia inoculant, P-fertilizer in combination with fertisoil was profitable with VCR of 2 as compared to the combination of cattle manure which had a VCR of 0.40. The results showed that fertisoil offers a better option of improving soybean response to rhizobia inoculant and P-fertilizer; and has the potential to enhance rain water use efficiency. However, the long term benefit must be quantified.
dc.formatapplication/pdf
dc.identifierhttps://hdl.handle.net/10568/111406
dc.identifier.urihttp://hdl.handle.net/123456789/117896
dc.languageen
dc.publisherFrontiers Media
dc.rightsOpen Access
dc.sourceUlzen, J., Abaidoo, R.C., Ewusi-Mensah, N., Osei, O., Masso, C. & Opoku, A. (2020). Organic manure improves soybean response to rhizobia inoculant and p-fertilizer in northern Ghana. Frontiers in Agronomy, 2(9), 1-10.
dc.subjectgrain
dc.subjectyields
dc.subjectharvest index
dc.subjectsoybeans
dc.subjectsubsaharan africa
dc.subjectorganic fertilizers
dc.titleOrganic manure improves soybean response to rhizobia inoculant and p-fertilizer in northern Ghana
dc.typeJournal Article

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Instituto Internacional de Agricultura Tropical (IITA)