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Table 2 Properties of grassland soil samples collected from covering and surrounding the opencast coal mine

From: Bioconversion of coal to methane by microbial communities from soil and from an opencast mine in the Xilingol grassland of northeast China

Sample namea NH4+–N (mg/g) NO3–N (mg/g) Moisture content (%) TOC (g/kg) pH
CS1 0.029586 0.021268 4.83 8.25 7.9
CS2 0.024797 0.020909 4.45 8.28 7.9
CS3 0.023653 0.025826 4.65 9.33 8.1
SS1 0.022169 0.019433 4.57 7.67 7.8
SS2 0.021367 0.018375 4.73 7.82 7.9
SS3 0.021092 0.020548 4.69 7.37 7.8
  1. CS covering soil, SS surrounding soil