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 |