Table 5: Bio-concentration factor soil-crop for staple crops at rehabilitated mined sites.
All treatment sites (reclaimed) are backfilled Pits or waste dumps with waste material dumped adjacent to the pit used for backfilling.

Location Crop Bio-concentration Factor BCF Heavy Metal Bioavailability
BCFCd BCFAs BCFCo BCFCr BCFHg BCFCu
Adubriem Pit Corn 0.1 0.000 0.009 0.020 0.040 0.070 Low
T1 Pit Corn 0.333 0.000 0.001 0.027 0.050 0.580 Low
Adubriem Pit Cassava 0.100 0.000 0.009 0.013 0.020 0.103 Low
T1 Pit Cassava 0.333 0.000 0.001 0.027 0.250 0.105 Low
Nhyiaeso Dump Cassava 0.167 0.000 0.003 0.027 0.250 0.070 Low
Sansu Dump Cassava 0.330 0.001 0.006 0.020 0.350 0.354 Low
Sansu Dump Plantain 0.330 0.000 0.002 0.020 0.075 0.103 Low
Nhyiaeso Dump Plantain 0.167 0.001 0.001 0.031 0.150 0.092 Low