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Samuel Chinedu Onuorah

Publications (3)

Environmental and Public Health Implications of Using Abattoir Wastewater for Irrigation: Microbial Dynamics and Physicochemical Alterations in Agricultural Soils of Agbor and Environs

Pius Akaraka Nkem Oghonim, Samuel Chinedu Onuorah & Nicholas Asiwe · South Asian Journal of Research in Microbiology · 2026

Background: The reuse of abattoir wastewater for irrigation in developing countries, including Nigeria, offers potential benefits for soil fertility but poses significant environmental and public health risks due to high microbial loads, nutrients, and heavy metals. Aim: This stu...

Open access Research Article 10.9734/sajrm/2026/v20i1483

In vitro Interactive Toxicity of Binary Mixtures of Selected Herbicides on Lysinibacillusfusiformis

Franca Ngozi Okafor, Michael Uchenna Orji, Samuel Chinedu Onuorah, Bright Obidinma Uba, Chinweike Unoma Dokubo & Joypat Ogechukwu Ofunnwa · Asian Journal of Biology · 2021

Aims: To assess the toxicities of some herbicides as individuals and in binary mixtures to Lysinibacillus fusiformis isolated from Oryzasativa plant using dehydrogenase activity as an endpoint. Study Design: The binary mixture consists of combination of any two herbicides selecte...

Open access Research Article 10.9734/ajob/2021/v12i330165

Toxicity of Quaternary Mixture of Formulated Glyphosate and Phenols on Providencia vermicola Dehydrogenase Activity

Franca Ngozi Okafor, Michael Uchenna Orji, Christian Okechukwu Nweke, Samuel Chinedu Onuorah, Bright Obidinma Uba & Chinweike Unoma Dokubo · Archives of Current Research International · 2021

Aims: To assess the toxicity of glyphosate (as an active ingredient in drysate), three phenols (2,4-dichlorophenol, 4-chlorophenols and phenol) and quaternary mixtures of glyphosate, 2,4-dichlorophenol, 4-chlorophenol and phenol on the dehydrogenase activity (DHA) of P. vermicola...

Open access Research Article 10.9734/acri/2021/v21i430239