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Table 3 Chemical and physical properties of the top (0–10 cm) soil in the studied biotopes and results of v test and one-way ANOVAs; n = 6; SD standard deviation; η2 effect size; v statistics of the v test

From: Effect of spring grass fires on vegetation patterns and soil quality in abandoned agricultural lands at local and landscape scales in Central European Russia

  Unburnt abandoned arable land Burnt abandoned arable land Mature forest ANOVA
Mean SD v P value Mean SD v P value Mean SD v P value η 2 P value
pH(KCl) 4.6 0.2 − 3.34 0.001 5.1 0.1 1.409 0.159 5.2 0.2 1.931 0.053 0.662 0
pH(H2O) 5.8 0.2 − 2.180 0.029 6.0 0.1 1.01 0.312 6.1 0.3 1.170 0.242 0.280 0.085
SOC% 1.7 0.2 − 2.635 0.008 2.2 0.5 − 0.195 0.845 2.7 0.3 2.83 0.005 0.588 0.001
C% 2.0 0.2 − 1.923 0.054 2.5 0.5 − 0.681 0.496 3.8 1.3 2.605 0.009 0.429 0.015
N% 0.2 0 − 2.172 0.030 0.2 0 − 0.119 0.906 0.3 0.1 2.291 0.022 0.391 0.024
C/N 11.9 0.3 0.292 0.770 10.9 0.3 − 3.005 0.003 12.7 0.8 2.713 0.007 0.646 0
H% 0.4 0.2 − 2.330 0.020 0.6 0.1 0.094 0.925 0.8 0.2 2.235 0.025 0.409 0.019
P2O5
mg kg1
6.2 2.0 − 1.469 0.142 13.1 1.5 3.611 0 5.3 2.0 − 2.142 0.032 0.776 0
K2O5
mg kg−1
11.8 2.1 − 1.341 0.18 17.5 4.0 2.717 0.007 11.7 2.9 − 1.376 0.169 0.434 0.014
Ca2+
cmol kg−1
25.8 1.7 − 2.686 0.007 34.5 4.5 2.125 0.034 31.6 4.6 0.561 0.575 0.472 0.008
K+
cmol kg−1
0.6 0.1 − 1.638 0.101 1.0 0.3 2.887 0.004 0.6 0.1 − 1.249 0.212 0.493 0.006
Mg2+ cmol kg−1 0.2 0.2 − 1.075 0.283 0.3 0.1 1.405 0.160 0.2 0.2 − 0.331 0.741 0.127 0.361
Na+
cmol kg−1
0 0 0.555 0.579 0 0 1.555 0.120 0 0 − 2.110 0.035 0.282 0.084
Sand% 30.0 1.9 − 1.862 0.063 30.2 1.5 − 1.714 0.087 36.8 2.0 3.576 0 0.753 0
Clay% 11.3 3.1 0.906 0.365 11.7 2.1 1.262 0.207 8.1 2.3 − 2.168 0.030 0.279 0.086
Slit% 58.7 3.9 1.346 0.178 58.1 2.0 0.818 0.414 55.0 1.0 − 2.164 0.030 0.281 0.084