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

Min. 1.83 0.02 0.06 10.30 0.04 2.73 15.03 Max. 2.16 0.05 0.26 21.70 0.09 10.54 31.30 Overall mean 2.00 0.04 0.14 14.89 0.07 7.35 24.49 SD 0.09 0.01 0.01 1.26 0.01 0.61 CV 4.50 2.50 7.14 8.46 14.29 8.30 Dry Season Cassava 2.22±0.12 0.06±0.01 0.18±0.03 12.24±2.06 0.16±0.02 3.34±0.18 18.20 Maize 3.12±0.18 0.04±0.00 0.23±0.06 17.38±2.68 0.11±0.01 10.24±1.20 31.12 Plantain 3.91±0.20 0.05±0.01 0.43±0.08 26.14±2.80 0.23±0.03 8.79±1.08 39.55 Yam 3.05±0.14 0.03±0.00 0.13±0.02 15.43±2.17 0.09±0.01 12.04±1.40 30.77 Min. 2.22 0.03 0.13 12.24 0.09 3.34 18.20 Max. 3.91 0.06 0.43 26.14 0.23 12.04 39.55 Overall mean 3.08 0.05 0.24 17.80 0.15 8.60 29.92 SD 0.17 0.01 0.02 1.60 0.01 0.80 CV 5.52 20 8.33 8.99 6.67 9.30 FAO/WHO Guideline (2011) 0.50 0.20 40 45 0.30 60 Source: Field Data, (2018) Table 5: Mean Bioaccumulation Factor (BF) of Heavy Elements Staple Crops of Odu’a Farm Establishment for Wet and Dry Seasons (mg/kg) Common Name Scientific Name As Cd Cu Mn Pb Zn Wet Season Sweet Cassava Manihot esculenta 0.56±0.02 0.33±0.01 0.006±0 .001 0.044±0.002 0.021± 0.001 0.164±0.002 Maize Zea mays L. 0.53±0.01 0.67±0.03 0.009±0.002 0.050±0 .001 0.008±0.001 0.476±0.005 Plantain Musa paradisiaca 0.51±0.01 0.71±0.05 0.013±0.003 0.029±0 .001 0.011±0.002 0.280±0.003 White Yam Dioscorea rotundataL. 0.55±0.02 0.17±0.01 0.010±0.002 0.026±0 .001 0.009±0.001 0.350±0.004 Min. 0.51 0.17 0.006 0.026 0.008 0.476 Max. 0.56 0.71 0.013 0.05 0.021 0.164 Overall mean 0.54 0.47 0.009 0.037 0.012 0.318 SD 0.01 0.01 0.001 0.001 0.002 0.005 CV 3.56 2.13 11.11 2.70 16.67 1.570 Dry Season Sweet Cassava Manihot esculenta 0.452±0.02 0.240±0.01 0.014±0 .001 0.049±0.003 0.018± 0.003 0.156±0.002 Maize Zea mays 0.461±0.03 0.250±0.02 0.013±0 .001 0.055±0.005 0.009± 0.002 0.396±0.004 Plantain Musa paradisiaca 0.530±0.02 0.217±0.01 0.018±0.002 0.032±0.002 0.017±0.003 0.257±0.003 White Yam Dioscorea rotundata L. 0.559±0.03 0.065±0.02 0.011±0 .001 0.031±0.001 0.008± 0.001 0.333±0.002 Min. 0.452 0.065 0.011 0.031 0.008 0.156 Max. 0.559 0.250 0.018 0.055 0.018 0.396 Overall mean 0.500 0.193 0.014 0.042 0.013 0.286 SD 0.010 0.020 0.001 0.002 0.003 0.007 CV 2.00 10.36 7.14 4.76 23.08 2.45 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 17 © 2023 Global Journals Global Journal of Science Frontier Research Volume XXIII Issue ersion I VI ( )D