Setting the radiological baseline: measuring natural radioactivity (226Ra, 232Th, 40K) in agricultural soils of Farta District, Ethiopia, and assessing potential health risks.

Statistical analysis revealed highly significant differences from global reference values, with t -statistics ranging from 8.82 to 9.89 ( P -value ≤ 0.001), confirming the elevated and non-random nature of the measured concentrations.

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