Some crops of important nutritive requirements have been collected from farmlands located in Bitsichi an old tin mining town in north central region of Nigeria. The food crops were analyzed in order to determine trace element concentrations level using Neutron Activation Analysis (NAA). The activity concentrations due to natural radionuclides in the food samples and soil samples collected within the root zone of the crops were also determined using gamma-ray spectrometry (GRS Th. Results of activity concentration levels of the radionuclides obtained in similar crops collected for control measurements were found to be very low compared to those from the study area. The effective dose due to intake of the food crops considered in the study area was estimated based on the measured activity concentrations of 226 Ra and 232 Th in the food crops. It was found to vary between 0.01 mSv y -1 (Acha) and 1.35 mSv y -1 (Cassava) with a cumulative total dose estimated as 2.5 mSv y -1 . The mining activities in the area are seen to have influenced the concentration of these trace elements and radionuclides in the food crops. However, they are seen not to pose any serious internal health burden due to ingestion given the realities of food choice by individuals in the study area.Keywords: food crops / trace elements / radioactivity / ingestion dose / Jos-plateau / Nigeria RÉSUMÉ Éléments traces et mesures de la radioactivité dans quelques récoltes vivrières terrestres du plateau de Jos dans le centre-nord du Nigéria. Quelques récoltes d'aliments importants ont été effectuées dans des champs situés à Bitsichi, une ville minière d'étain dans la région nord central du Nigéria. Les récoltes vivrières ont été analysées afin de déterminer le niveau de concentration d'oligoélément en utilisant l'analyse par activation neutronique (AAN). Les concentrations de radioactivité des radionucléides naturels dans les échantillons alimentaires et des échantillons de sol rassemblés dans la zone des récoltes ont été également déterminées par spectrométrie gamma (GRS). Les résultats d'activation neutronique ont montré que la concentration la plus élevée parmi les éléments