Research Article

Applications of Organic and Inorganic Amendments Induce Changes in the Mobility of Mercury and Macro- and Micronutrients of Soils

Table 6

The concentrations of Cu extractable with 0.11 mol L−1 acetic acid within the incubation experiment (mg·kg−1); the averages marked by the same letter did not significantly differ at within individual columns; data are presented as mean ± standard deviation ().

ChernozemDay 1Day 2Day 3Day 4Day 7Day 14Day 21

Control0.045 ± 0.007a0.039 ± 0.008a0.015 ± 0.003a0.025 ± 0.003a0.162 ± 0.018abc0.064 ± 0.013a0.017 ± 0.008a
Control + Hg0.047 ± 0.012a0.017 ± 0.001a0.017 ± 0.004a0.023 ± 0.003a0.039 ± 0.019a0.098 ± 0.025a0.034 ± 0.015a
Digestate0.224 ± 0.092b0.230 ± 0.098b0.187 ± 0.037c0.299 ± 0.010c0.362 ± 0.051c0.517 ± 0.089c0.911 ± 0.141b
Digestate + Hg0.120 ± 0.010a0.094 ± 0.026a0.089 ± 0.028b0.166 ± 0.038b0.264 ± 0.031bc0.334 ± 0.031b0.763 ± 0.065b
Ash0.053 ± 0.019a0.059 ± 0.014a0.032 ± 0.007a0.054 ± 0.012a0.065 ± 0.042ab0.073 ± 0.043a0.148 ± 0.029a
Ash + Hg0.079 ± 0.011a0.042 ± 0.003a0.026 ± 0.005a0.060 ± 0.013a0.055 ± 0.035a0.095 ± 0.027a0.141 ± 0.069a
(NH4)2SO40.047 ± 0.035a0.048 ± 0.013a0.018 ± 0.006a0.022 ± 0.006a0.081 ± 0.031ab0.091 ± 0.038a0.090 ± 0.060a
(NH4)2SO4 + Hg0.038 ± 0.020a0.029 ± 0.007a0.008 ± 0.008a0.029 ± 0.002a0.029 ± 0.013a0.066 ± 0.048a0.379 ± 0.093ab

LuvisolDay 1Day 2Day 3Day 4Day 7Day 14Day 21

Control0.095 ± 0.003a0.084 ± 0.019a0.061 ± 0.007a0.134 ± 0.021a0.142 ± 0.042a0.226 ± 0.008a0.252 ± 0.055a
Control + Hg0.128 ± 0.020a0.118 ± 0.021ab0.098 ± 0.011a0.156 ± 0.024ab0.164 ± 0.062a0.357 ± 0.021ab0.230 ± 0.062a
Digestate0.284 ± 0.085a0.268 ± 0.022b0.316 ± 0.051b0.553 ± 0.087c0.534 ± 0.136b0.785 ± 0.032d1.200 ± 0.142c
Digestate + Hg0.166 ± 0.122a0.095 ± 0.012a0.120 ± 0.055a0.131 ± 0.092a0.119 ± 0.015a0.594 ± 0.137cd0.678 ± 0.164ab
Ash0.196 ± 0.026a0.161 ± 0.036ab0.145 ± 0.023ab0.269 ± 0.051ab0.220 ± 0.045a0.542 ± 0.046bc0.493 ± 0.081ab
Ash + Hg0.225 ± 0.048ab0.261 ± 0.024b0.193 ± 0.016ab0.298 ± 0.045b0.266 ± 0.040a0.578 ± 0.058c0.900 ± 0.042bc
(NH4)2SO40.101 ± 0.022a0.191 ± 0.048ab0.078 ± 0.004a0.184 ± 0.018ab0.161 ± 0.024a0.308 ± 0.051a0.658 ± 0.103ab
(NH4)2SO4 + Hg0.140 ± 0.027a0.138 ± 0.028ab0.121 ± 0.014a0.247 ± 0.068ab0.193 ± 0.050a0.422 ± 0.101abc0.555 ± 0.062ab