Mineral composition of P. microspora fruiting bodies grown on substrates with various proportions of corn stalksa.
| Treatments | CK | T1 | T2 | T3 | T4 | |
|---|---|---|---|---|---|---|
| Major element | Calcium/mg kg−1 | 820.33 ± 1.53c | 1250.31 ± 3.05a | 579.08 ± 7.42e | 780.65 ± 1.54d | 870.52 ± 3.36b |
| Sodium/mg kg−1 | 140.33 ± 2.52d | 1 4 1.00 ± 3.12d | 160.34 ± 1.53c | 213.01 ± 4.07b | 231.33 ± 11.06a | |
| Magnesium/mg kg−1 | 1220.12 ± 1.78b | 1351.77 ± 4.59a | 980.13 ± 4.25c | 1369.89 ± 3.18a | 1240.55 ± 5.76b | |
| Trace element | Manganese/mg kg−1 | 18.34 ± 1.06c | 29.37 ± 2.41b | 17.19 ± 0.98c | 25.30 ± 1.52b | 32.03 ± 0.44a |
| Iron/mg kg−1 | 130.29 ± 1.21c | 182.10 ± 4.34a | 133.71 ± 0.28c | 171.69 ± 5.72ab | 170.33 ± 3.57b | |
| Copper/mg kg−1 | 12.78 ± 2.99c | 16.23 ± 1.79b | 17.24 ± 2.57a | 14.11 ± 0.37c | 16.94 ± 2.44a | |
| Zinc/mg kg−1 | 51.44 ± 1.34c | 55.78 ± 2.82a | 53.09 ± 3.66ab | 49.37 ± 1.24c | 55.24 ± 3.11a | |
| Selenium/mg kg−1 | 0.32 ± 0.01b | 0.54 ± 0.08a | 0.22 ± 0.02c | 0.34 ± 0.01b | 0.23 ± 0.03c | |
| Harmful element | Arsenic/mg kg−1 | 1.12 ± 0.08c | 0.83 ± 0.04d | 1.41 ± 0.06a | 0.52 ± 0.05e | 1.25 ± 0.08b |
| Cadmium/mg kg−1 | 0.31 ± 0.02c | 0.52 ± 0.05a | 0.38 ± 0.03b | 0.41 ± 0.03b | 0.42 ± 0.03b | |
| Mercury/mg kg−1 | 0.03 ± 0.01b | 0.03 ± 0.01b | 0.03 ± 0.01a | 0.03 ± 0.01b | 0.03 ± 0.01b | |
| Lead/mg kg−1 | 0.92 ± 0.01d | 2.39 ± 0.03b | 1.49 ± 0.01c | 2.59 ± 0.08b | 3.64 ± 0.41a |
a
Different letters (a–e) in the same column and rank indicate significant differences (P < 0.05).