4 °C | 3 °C | 2 °C | 48 °C | 49 °C | 50 °C | p Value | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Weight % | Element | Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | |
Calcium | 2.27 | 2.33 | 4.63 | 6.20 | 29.33 | 35.71 | 0.55 | 0.22 | 13.63 | 10.08 | 25.31 | 4.78 | 2°–48° p < 0.01 3°–50° p = 0.01 | |
4°–50° p < 0.01 48°–50° p < 0.01 48°–49° p < 0.01 | ||||||||||||||
Carbon | 86.34 | 4.12 | 85.83 | 7.29 | 57.56 | 34.48 | 89.90 | 2.44 | 74.05 | 13.06 | 48.70 | 6.89 | 4°–49° p = 0.04 4°–50° p < 0.01 3°–49° p = 0.04 3°–50° p < 0.01 | |
Oxygen | 7.45 | 3.01 | 5.96 | 2.93 | 5.22 | 4.07 | 8.01 | 2.54 | 4.25 | 1.86 | 12.63 | 5.46 | 2°–50° p = 0.04 49°–50° p < 0.01 | |
Sodium | 0.32 | 0.15 | 0.30 | 0.11 | 0.64 | 0.55 | 0.33 | 0.07 | 0.48 | 0.19 | 0.69 | 0.25 | 3°–50° p = 0.01 | |
Phosphate | 2.09 | 2.82 | 2.33 | 2.76 | 6.51 | 5.79 | 0.43 | 0.34 | 7.09 | 4.18 | 12.40 | 1.98 | 2°–48° p = 0.01 3°–50° p = 0.01 4°–50° p < 0.01 48°–50° p < 0.01 48°–49° p < 0.01 | |
Sulphur | 1.52 | 1.77 | 0.94 | 0.46 | 0.74 | 0.85 | 0.79 | 0.26 | 0.50 | 0.37 | 0.27 | 0.17 | 3°–50° p < 0.01 4°–50° p = 0.02 2°–48° p < 0.01 | |
Ratios | Ca/C | 0.03 | 0.05 | 0.32 | 0.01 | 0.18 | 0.5 | |||||||
Ca/P | 1.09 | 1.98 | 3.14 | 1.27 | 1.92 | 2.04 |