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

16. Ogunwale, T. O., Oyekunle, J.A. O., Ogunfowokan, A. O. and Oyetola, S.O. (2022). Evaluation of Heavy Metals Found in Vegetables of Some Poultry Farms in Osun State, Nigeria, Industrial and Domestic Waste Management, Volume 2(2): 100-112. 17. Salisu, R. (2016). Impact of Commercial Agricultural Development Project on Productivity and Food Security Status of Maize Farmers in Kaduna State, Nigeria, Department of Agricultural Economics and Rural Sociology Faculty of Agriculture Ahmadu Bello University Zaria, Kaduna State Nigeria, pp. 50. 18. Storelli, M. M. (2008). Potential human health risks from metals (mercury, cadmium and lead) and polychlorinated biphenyls (PCBs) via seafood consumption: Estimation of target hazard quotients (THQs) and toxic equivalents (TEQs). Food Chem. Toxicol., 46: 2782–2788 19. Turekian, K. K. and Wedepohl, K. H. (1961). Distribution of the Elements in some major units of the Earth’s Crust. Geological Society of American Bulletin. 72: 175-192. 20. USEPA-IRIS, (2002). United States Environmental Protection Agency, Integrated Risk Information System http://www.epa.gov/iris/subst (December, 2006) 21. Zango, M. S., Anim-Gyampo, M. and Ampadu, B. (2013).Health Risks of Heavy Metals in selected Food Crops cultivated in Small-scale Gold-mining Areas in Wassa-Amenfi-West District of Ghana, Journal of Natural Sciences Research, Vol.3 (5): 96- 106 22. Zhou, H., Yang, W.T., Zhou, X., Liu, L., Gu, J. F. and Wang, W. L., Zou, J. L., Tian, T., Peng, P. Q and Liao, B. H. (2016). Accumulation of Heavy Metals in Vegetable Species Planted in Contaminated Soils and the Health Risk Assessment, Int. J. Environ. Res. Public Health, 13: 1-12 Zhuang, P., McBride, M.B., Xia, H., Li, N. and Li, Z. (2009). Health risk from heavy metals via consumption of food crops in the vicinity of Dabaoshan mine, South China. Sci. Total Environ., 407: 1551-1561. Table 1: Geographical Positions of the Sampling Locations Sampling Point Latitude(N) Longitude(E) Yam 07°49.519‘ 003° 27.520‘ Cassava 07°49.486‘ 003° 27.459 Maize 07°49.629‘ 003° 27.578 Plantain 07°49.475‘ 003° 27.409 Control 07°49.856‘ 003° 27.722 Source: Field Survey, (2018) Table 2: Mean Physico-chemical Variables of Soils Sample for Wet and Dry Seasons Sampling Point pH EC (µS/cm) %TOC %TOM Wet Season Cassava 6.57±0.06 44.23±3.76 0.86±0.02 1.48±0.05 Maize 6.70±0.07 39.73±3.72 0.95±0.04 1.63±0.07 Plantain 6.50±0.05 51.56±3.95 0.98±0.05 1.69±0.09 Yam 6.97±0.08 75.19±4.08 0.83±0.02 1.43±0.06 Control 6.68±0.07 44.91±3.82 1.02±0.06 1.75±0.11 Min. 6.50 39.73 0.83 1.43 Max. 6.97 75.19 1.02 1.75 Overall mean 6.68 51.12 0.93 1.60 SD 0.08 3.80 0.05 0.08 CV 1.20 7.43 5.38 5.00 Dry Season Cassava 6.93±0.12 81.53±5.06 0.63±0.06 1.08±0.08 Maize 6.77±0.08 87.28±6.30 0.70±0.08 1.20±0.09 Plantain 6.57±0.05 86.96±5.20 0.65±0.06 1.12±0.05 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 15 © 2023 Global Journals Global Journal of Science Frontier Research Volume XXIII Issue ersion I VI ( ) 23. D