Use of a GIS-Based AHP and Parametric Square Root Method for Land Suitability Assessment of Groundnut (Arachis hypogea L.) on Gurumpawo Toposequence

June 1, 2026Nigerian Journal of Soil Science

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Key Points

This research aims to evaluate the land suitability for groundnut cultivation along the Gurumpawo toposequence using different modeling approaches.
Utilized parametric square root method (SRM) and Analytic Hierarchy Process (AHP) for land suitability assessment.
Analyzed selected soil properties including pH, organic carbon, and cation exchange capacity.
Conducted spatial comparisons of suitability classes using ArcGIS and assessed agreement with Pearson’s Chi-square.
Groundnut cultivation sites showed low soil fertility, affecting sustainable production.
Comparative analysis between SRM and AHP revealed significant differences in land suitability outputs.
Both models provided valuable insights, but AHP demonstrated higher spatial reliability in suitability assessments.

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Study assessed groundnut cultivation potential across toposequence, highlighting important soil factors for sustainable agriculture.

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Adamu et al. (2026) studied this question.

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