Stressful Effect of Different Rates of Nitrogen Starter Dose on Nodulation, Growth, Proximate Composition and Yield of Soybean (Glycine max)

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dc.contributor.authorKareem, Isiaka
dc.contributor.authorLawal, Q.O
dc.contributor.authorOlayinka, B.U
dc.contributor.authorAbdulkareem, K.A.
dc.contributor.authorLawal, Mujidat Temidayo
dc.contributor.authorYusuf, Sa'adat Yetunde
dc.date.accessioned2023-06-22T14:14:04Z
dc.date.available2023-06-22T14:14:04Z
dc.date.issued2022
dc.description.abstractDespite the fact that high nitrogen content in the soil can impede nodule formation in soybean, the need for addition of nitrogen fertilizer as a starter dose to supplement the actions of N-fixing bacteria is a necessity because it restores the drained nutrient and results in high yield. To evaluate the stressful effects of different rates of N fertilizer starter dose, a pot experiment was conducted to evaluate the effect of N fertilizer starter dose on nodulation, growth, proximate composition and yield of soybean. Urea was applied at the rates 0, 50, 75 and 100 kgN/ha at planting using side placement method. The experiment was laid out in Randomized Completely Block Design (RCBD) with three replications. Growth assessment was through taking data on plant height, number of branches, number of leaves and internode length. Also, data on nodulation, yield and yield attributes were taken. Proximate compositions (crude protein, crude fat, crude fiber and ash content) were also determined. It was found that 100 kgN/ha of N-fertilizer improved the total nodulation by 33.95% compared with the control. The yield was greatest with application of 100 kgN/ha compared with other application rates because there was 20% yield increase compared with the control. For the proximate composition, crude protein content was 7% above the control with application of 50 kgN/ha. Furthermore, crude fat content was 37% better than the control with the application of 100 kgN/ha. It was concluded that for profitable soybean production in the study area, the use N fertilizer like urea at 50 kgN/ha as a starter dose is recommended because of its cheapness and high yield that resulted from its application to the crop. Finally, nitrogen starter dose up to 100kgN/ha did not constitute stress to production of soybean variety under test.en_US
dc.identifier.issn2682-5821
dc.identifier.urihttps://uilspace.unilorin.edu.ng/handle/20.500.12484/11256
dc.language.isoenen_US
dc.publisherNIPES Journal of Science and Technology Researchen_US
dc.relation.ispartofseriesVolume 4;2
dc.subjectNitrogen starter dose, proximate compositions, stress, growth, yield.en_US
dc.titleStressful Effect of Different Rates of Nitrogen Starter Dose on Nodulation, Growth, Proximate Composition and Yield of Soybean (Glycine max)en_US
dc.typeArticleen_US

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