Effects of Selected Anthropogenic Stressors (Insecticides, Herbicides and Dumpsite Waste) on the Microbial Activities and Physicochemical Properties of Soils

Adewole Sebiomo; Folasade Eunice Ade-Ogunnowo; Ikimot Azeez

doi:10.5281/zenodo.21619285

Effects of Selected Anthropogenic Stressors (Insecticides, Herbicides and Dumpsite Waste) on the Microbial Activities and Physicochemical Properties of Soils

Abstract

This study determined the physicochemical and microbial activities of insecticide and herbicide treated soils. We also determined the physicochemical properties of dumpsite soils. Soil samples were treated with insecticides (Cyperforce and Chloropyriphos) and herbicides (Nicosulfuron + Atrazine, 2,4 Dimethyl ammonium, Atrazine, Xtravest, Glyphosate and Paraquat). Microbial carbon biomass, total nitrogen, available phosphorus, organic matter, electrical conductivity and soil acidity wasdetermined in soil samples. Heavy metals were estımated in dumpsite soils using the atomic absorption spectrophotometer. Bacterial and fungal population were also analyzed using the Quebec colony counter. Microbial respiration, dehydrogenase activities and phosphatase activities were determined. There were significant changes (P≤0.05) in the physicochemical properties of soils after treatment with Celosia argenteae extract, Cyperforce and Chloropyrios. The total viable counts reduced from 24.8 ×10⁶ cfu g^-1 to 18.2 ×10⁶ cfu g^-1 in Chloropyriphos and 12.8 ×10⁶ cfu g^-1 in Cyperforce. The total coliform count reduced from 1.2 ×10⁶ cfu g^-1 to 0.7×10⁶ cfu g^-1 in Chloropyriphos and 0.6×10⁶ cfu g^-1 in Cyperforce. The bacterial population reduced significantly (P≤0.05) after initial treatment with 2,4 D and Nicosulfuron +Atrazine herbicide. However, when the treatment was increased to ×2 the recommended rate the bacterial population showed a significant increase (P≤0.05) in the viable counts of bacteria which was however still significantly lower than the control. There was a significant increase (P≤0.05) in the phosphatase and dehydrogenase activities from the 2^nd to the 10^th day of incubation. The soil microbial respiration increased from the 0h to the 25^th day of respiration. Heavy metals were significantly higher (P≤0.05) in dumpsite soils compared to the control. Treatment of soil samples with insecticides and herbicides caused significant changes in soil physicochemical properties. Treatment of soil samples with 2,4 Dimethyl ammonium and Nicosulfuron + Atrazine caused significant reduction in soil nutrient status. Microbial activities of soils treated with atrazine, Xtravest, Glyphosate and Atrazine was significantly higher than what we obtained in control soil samples. Pseudomonas spp and Penicillum spp were the most prevalent bacteria and fungi isolated from the Cyperforce and Chloropyriphos treated soils.

Keywords

Atrazine, Glyphosate, xtravest, Grammoxone, Cyperforce, Chloropyriphos

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English

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Botany (Other)

Journal Section

Research Article

Authors

Adewole Sebiomo ^*
0000-0002-3930-0022
Nigeria

Folasade Eunice Ade-Ogunnowo
0009-0005-9918-6996
Nigeria

Ikimot Azeez
0000-0001-6311-8960
Nigeria

Publication Date

August 7, 2026

Submission Date

March 27, 2026

Acceptance Date

July 13, 2026

Published in Issue

Year 2026 Number: 58

DOI

https://doi.org/10.5281/zenodo.21619285

IZ

https://izlik.org/JA83BD34ZF

APA

Sebiomo, A., Ade-Ogunnowo, F. E., & Azeez, I. (2026). Effects of Selected Anthropogenic Stressors (Insecticides, Herbicides and Dumpsite Waste) on the Microbial Activities and Physicochemical Properties of Soils. Journal of Biological and Environmental Sciences, 58. https://doi.org/10.5281/zenodo.21619285

AMA

1.Sebiomo A, Ade-Ogunnowo FE, Azeez I. Effects of Selected Anthropogenic Stressors (Insecticides, Herbicides and Dumpsite Waste) on the Microbial Activities and Physicochemical Properties of Soils. JBES. 2026;(58). doi:10.5281/zenodo.21619285

Chicago

Sebiomo, Adewole, Folasade Eunice Ade-Ogunnowo, and Ikimot Azeez. 2026. “Effects of Selected Anthropogenic Stressors (Insecticides, Herbicides and Dumpsite Waste) on the Microbial Activities and Physicochemical Properties of Soils”. Journal of Biological and Environmental Sciences, nos. 58. https://doi.org/10.5281/zenodo.21619285.

EndNote

Sebiomo A, Ade-Ogunnowo FE, Azeez I (August 1, 2026) Effects of Selected Anthropogenic Stressors (Insecticides, Herbicides and Dumpsite Waste) on the Microbial Activities and Physicochemical Properties of Soils. Journal of Biological and Environmental Sciences 58

IEEE

[1]A. Sebiomo, F. E. Ade-Ogunnowo, and I. Azeez, “Effects of Selected Anthropogenic Stressors (Insecticides, Herbicides and Dumpsite Waste) on the Microbial Activities and Physicochemical Properties of Soils”, JBES, no. 58, Aug. 2026, doi: 10.5281/zenodo.21619285.

ISNAD

Sebiomo, Adewole - Ade-Ogunnowo, Folasade Eunice - Azeez, Ikimot. “Effects of Selected Anthropogenic Stressors (Insecticides, Herbicides and Dumpsite Waste) on the Microbial Activities and Physicochemical Properties of Soils”. Journal of Biological and Environmental Sciences. 58 (August 1, 2026). https://doi.org/10.5281/zenodo.21619285.

JAMA

1.Sebiomo A, Ade-Ogunnowo FE, Azeez I. Effects of Selected Anthropogenic Stressors (Insecticides, Herbicides and Dumpsite Waste) on the Microbial Activities and Physicochemical Properties of Soils. JBES. 2026. doi:10.5281/zenodo.21619285.

MLA

Sebiomo, Adewole, et al. “Effects of Selected Anthropogenic Stressors (Insecticides, Herbicides and Dumpsite Waste) on the Microbial Activities and Physicochemical Properties of Soils”. Journal of Biological and Environmental Sciences, no. 58, Aug. 2026, doi:10.5281/zenodo.21619285.

Vancouver

1.Adewole Sebiomo, Folasade Eunice Ade-Ogunnowo, Ikimot Azeez. Effects of Selected Anthropogenic Stressors (Insecticides, Herbicides and Dumpsite Waste) on the Microbial Activities and Physicochemical Properties of Soils. JBES. 2026 Aug. 1;(58). doi:10.5281/zenodo.21619285

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Effects of Selected Anthropogenic Stressors (Insecticides, Herbicides and Dumpsite Waste) on the Microbial Activities and Physicochemical Properties of Soils

Effects of Selected Anthropogenic Stressors (Insecticides, Herbicides and Dumpsite Waste) on the Microbial Activities and Physicochemical Properties of Soils

Abstract

Keywords

References

Details

Primary Language

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Authors

Publication Date

Submission Date

Acceptance Date

Published in Issue

DOI

IZ

Cite

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Author Guidelines

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Managing Editor

Editorial Board

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