Global Journal of Science Frontier Research, D: Agriculture and Veterinary, Volume 23 Issue 1

Table 8: Mean Human Health Risk Index for Specific Heavy Elements Owing to the Intake of varied Staple Crops Raised in the Vicinity of Odu’a Farm Establishment for Wet and Dry Seasons Foodstuff As Cd Cu Mn Pb Zn Wet Season Cassava 6.91E-01 3.40E-02 1.70E-03 3.89E-02 2.59E-02 1.03E-02 Maize 7.48E-01 4.53E-02 3.97E-03 5.80E-02 1.62E-02 3.38E-02 Plantain 7.67E-01 5.67E-02 7.37E-03 8.20E-02 2.91E-02 2.71E-02 Yam 8.16E-01 2.27E-02 2.27E-03 4.65E-02 1.30E-02 3.98E-02 Min. 6.91E-01 2.27E-02 1.70E-03 3.89E-02 1.30E-02 1.03E-02 Max. 8.16E-01 5.67E-02 7.37E-03 8.20E-02 2.91E-02 3.98E-02 Overall mean 7.56E-01 3.97E-02 3.83E-03 5.60E-02 2.11E-02 2.78E-02 Dry Season Cassava 8.39E-01 6.80E-02 5.10E-03 4.62E-02 5.18E-02 1.26E-02 Maize 1.18E+00 4.53E-02 6.52E-03 4.62E-02 3.56E-02 3.87E-02 Plantain 1.48E+00 5.67E-02 1.22E-02 9.88E-02 7.45E-02 3.32E-02 Yam 1.15E+00 3.40E-02 3.68E-03 5.83E-02 2.91E-02 4.55E-02 Min. 8.39E-01 3.40E-02 3.68E-03 4.62E-02 2.91E-02 1.26E-02 Max. 1.48E+00 6.80E-02 1.22E-02 9.88E-02 7.45E-02 4.55E-02 Overall mean 1.16E+00 5.10E-02 6.88E-03 6.25E-02 4.73E-02 3.25E-02 Source: Field Data, (2018) Table 9: Mean Maximum Limit for the Amount of Food Crop that can in Safety be consumed on an Everyday Basis in Area under Study (Wet and Dry Seasons) Foodstuff As Cd Cu Mn Pb Zn Wet Season Cassava 1.16E+00 2.35E+01 4.71E+02 2.06E+01 3.09E+01 7.76E+01 Maize 1.07E+00 1.77E+01 2.02E+02 1.39E+01 4.94E+01 2.37E+01 Plantain 1.04E+00 1.41E+01 1.09E+02 9.76E+00 2.75E+01 2.95E+01 Yam 9.80E-01 3.53E+01 3.53E+02 1.72E+01 6.18E+01 2.01E+01 Min. 9.80E-01 1.41E+01 1.09E+02 9.76E+00 2.75E+01 2.01E+01 Max. 1.16E+00 3.53E+01 4.71E+02 2.06E+01 6.18E+01 7.76E+01 Overall mean 1.06E+00 2.27E+01 2.84E+02 1.54E+01 4.24E+01 3.77E+01 Dry Season Cassava 9.54E-01 1.18E+01 1.57E+02 1.73E+01 1.54E+01 6.34E+01 Maize 6.79E-01 1.76E+01 1.23E+02 1.28E+01 2.25E+01 2.07E+01 Plantain 5.42E-01 1.41E+01 6.57E+01 8.10E+00 1.07E+01 2.41E+01 Yam 6.94E-01 2.35E+01 2.17E+02 1.37E+01 2.75E+01 1.76E+01 Min. 5.42E-01 1.18E+01 1.23E+02 8.10E+00 1.07E+01 1.76E+01 Max. 9.54E-01 2.35E+01 6.57E+01 1.73E+01 2.75E+01 6.34E+01 Overall mean 7.17E-01 1.68E+01 1.41E+02 1.30E+01 1.90E+01 3.15E+01 Source: Field Data, (2018) Cropland Bioaccumulation Risks of Potentially Toxic Elements in Soil of Some Designated Foodstuffs Cultivated in Odu’a Farm Establishment, Aawe, Oyo State, Nigeria 1 Year 2023 19 © 2023 Global Journals Global Journal of Science Frontier Research Volume XXIII Issue ersion I VI ( )D