Table 5 Effect of treatments on potato yields in pots with different soils (pH < 6.5, 6.5 < pH < 7.5, pH > 7.5) with three different Hg concentrations at the end of the experiment.
pH | soil location | CK | LWHg | HGHg |
|---|---|---|---|---|
<6.5 | Guangdong | 213.1 ± 18.1 | 194.9 ± 14.0 | 217.4 ± 33.5 |
Anhui | 50.4 ± 5.1 | 77.8 ± 13.7 | 52.6 ± 5.2 | |
Hubei | 123.4 ± 9.0 | 128.3 ± 24.7 | 113.6 ± 17.4 | |
Heilongjiang | 186.8 ± 17.4 | 202.7 ± 21.2 | 322.1 ± 43.8 | |
Hainan | 47.4 ± 6.4 | 26.0 ± 4.4 | 26.2 ± 3.6 | |
average | 124.2 ± 71.6bA | 125.9 ± 72.4bA | 146.4 ± 116.8bA | |
6.5-7.5 | Hunan | 280.3 ± 28.7 | 351.7 ± 26.0 | 308.7 ± 30.1 |
Zhejiang | 166.0 ± 10.1 | 193.6 ± 33.0 | 189.9 ± 25.8 | |
Yunan | 166.3 ± 20.9 | 201.9 ± 11.9 | 240.1 ± 40.3 | |
Jiangsu | 302.0 ± 15.2 | 273.2 ± 22.5 | 225.6 ± 76.0 | |
average | 228.7 ± 69.0 aA | 255.1 ± 74.3 aA | 241.1 ± 66.8 aA | |
>7.5 | Jilin | 413.7 ± 18.3 | 367.6 ± 52.6 | 368.1 ± 22.5 |
Beijing | 186.3 ± 5.7 | 294.8 ± 12.6 | 294.5 ± 40.0 | |
Sichuan | 414.6 ± 14.6 | 381.7 ± 77.2 | 337.9 ± 16.3 | |
Xinjiang | 277.1 ± 61.7 | 260.9 ± 12.3 | 261.8 ± 70.3 | |
Hebei | 184.0 ± 12.5 | 281.0 ± 43.8 | 294.0 ± 10.7 | |
Shaanxi | 176.0 ± 12.1 | 178.5 ± 19.0 | 150.4 ± 30.2 | |
Henan | 259.7 ± 76.9 | 249.2 ± 10.3 | 259.3 ± 12.2 | |
Shanxi | 236.3 ± 29.7 | 245.7 ± 10.1 | 235.4 ± 39.4 | |
Ningxia | 112.4 ± 17.8 | 170.0 ± 11.6 | 102.0 ± 18.8 | |
average | 251.1 ± 104.0 aA | 269.9 ± 78.8 aA | 255.9 ± 88.8 aA |
