Forms and Distribution of Phosphorus along A Toposequence at the University of Benin, Nigeria

Authors

  • Godspower Oke Omokaro Institute of Ecology, Faculty of Environmental Engineering, Peoples Friendship University of Russia named after Patrice Lumumba, Moscow, Russia https://orcid.org/0009-0002-7478-2327
  • Kolawole Agoro Abiola Department of Soil Science and Land Management, Faculty of Agriculture, University of Benin, Nigeria
  • Anthonia Bakare Department of Soil Science and Land Management, Faculty of Agriculture, University of Benin, Nigeria
  • Edmond Osemwengie Department of Soil Science and Land Management, Faculty of Agriculture, University of Benin, Nigeria https://orcid.org/0000-0002-8012-0744
  • Ikioukenigha Michael Department of Geography and Regional Planning, Igbinedion University, Okada, Mission Road, Edo State, Nigeria https://orcid.org/0009-0004-7607-9816

DOI:

https://doi.org/10.54536/ajgt.v3i1.2591

Keywords:

Slope Gradient, Soil Variability, Soil Nutrient, Soil Properties, Toposequence

Abstract

The experiment was conducted at University of Benin, Nigeria, involving soil samples from four toposequence sites (Crest, Middle, Lower, and Bottom) at different depths (0-15 cm, 15-30 cm, and 30-45 cm). A total of 36 samples were collected and analyzed for various parameters using standard procedures. The parameters included particle size distribution, pH, total organic carbon (TOC), total nitrogen (N), available phosphorus (P), Carbon (C), Hydrogen (H), Magnesium (Mg), Potassium (K), Sodium (Na), ECEC, and Aluminum (Al). Results indicated that pH was lowest in the Crest area (pH 4.10 at 30-45 cm depth) and highest in the Bottom area (pH 5.80 at 0-15 cm to 30-45 cm depth). Different soil properties showed varying highest values across the toposequence depths. These properties included Total organic C, Total N, Available P, Ca, K, Mg, H, Na, ECEC, sand content, and the various forms of phosphorus. The correlation table revealed significant positive and negative relationships between different forms of phosphorus and various soil physical and chemical properties. The experiment demonstrated distinct variations in soil properties along the toposequence sites and depths. The findings contribute to a better understanding of soil characteristics in the studied region, aiding in informed agricultural practices and land management decisions.

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Published

2024-04-02

How to Cite

Omokaro, G. O., Abiola, K. A., Bakare, A., Airueghian, E., & Michael, I. (2024). Forms and Distribution of Phosphorus along A Toposequence at the University of Benin, Nigeria. American Journal of Geospatial Technology, 3(1), 1–8. https://doi.org/10.54536/ajgt.v3i1.2591