Table 5.
Mean annual inputs and outputs of soil Cd in g/ha.
| Inputs | Outputs | Remarks (Location, period) | Reference | |||
|---|---|---|---|---|---|---|
| Atmospheric Deposition | Phosphate fertilizers | Others (e.g., manure) |
Leaching | Crop offtake | ||
| 1.7 | 5.6 | 0.64 | 0.68 | 0.28 | Germany, farming, the 1990s | Schuetze et al. (2003) |
| 5 | - | - | 0.68 | - | Germany, forest & urban, the 1990s | Schuetze et al. (2003) |
| 2.5 to 4.5 | - | - | - | - | German uplands, forest, the 1990s | Beisecker et al. (2012) |
| 2.06 | - | - | 3.35 | - | German uplands, forest, the 2000s | Beisecker et al. (2012) |
| 0.96 | 0.28 | 0.43 | 0.87 | 0.8 | Lower Saxony (Germany), farming, 1990s/2000s | Kamermann et al. (2015) |
| 4 | 0.9 | 6.3 | 1.6 | - | China, the 2000s | Luo et al. (2009) |
| 1.9 | 1.6 | - | - | - | European countries, 2000 | Grant (2011) |
| 9.8 | 1.0 | 1.4 | - | - | Belgium, the 1990s | UNEP (2010) |
| 0.25 | 0.98 | 0.56 | - | - | Farquhar et al., 1997 | Six and Smolders (2014) |
| 0.35 | 0.79 | 0.15 | 2.56 | 0.2 | European countries 2010 | Six and Smolders (2014) |
| > 0.5 | - | - | - | - | Western, Eastern and Southern Europe, 2003 | UNEP (2010) |
| 1.4 | - | - | - | - | West Germany, industry, 2014 | Ilyin et al. (2016) |
| 0.25 | - | - | - | - | South Germany, farming, 2014 | Ilyin et al. (2016) |
| 0.19 | < 0.071 | 0.148 | - | - | Farquhar et al., 1997 | UNEP (2010) |
| 0.3 | - | - | - | - | Northern Europe, 2003 | UNEP (2010) |
| 0.32 | - | - | - | - | Near the European coast, 2005 | OSPAR (2008) |
| > 0.32 | - | - | - | - | Greater North Sea, 2005 | OSPAR (2008) |
| < 0.1 | - | - | - | - | Wider Atlantic, 2005 | OSPAR (2008) |
| > 0.1 | - | - | - | - | Central Atlantic & Southern coast of Greenland, 2005 | OSPAR (2008) |
| < 0.05 | - | - | - | - | Arctic Ocean, 2005 | OSPAR (2008) |