Table 1 Physicochemical parameters (average ± standard deviation; n = 4).

From: Short-term effects of non-grazing on plants, soil biota and aboveground-belowground links in Atlantic mountain grasslands

   6230a-NG 6230a-G 6170-NG 6170-G 6230c-NG 6230c-G valley-NG valley-G t-value p-value
SOM (%) 17.9 ± 6.3 20.2 ± 5.0 9.0 ± 0.5 8.6 ± 1.4 10.6 ± 1.6 13.4 ± 0.4 5.1 ± 1.0 5.1 ± 0.7 −1.145 0.263
Total N (%) 0.91 ± 0.21 0.91 ± 0.08 0.59 ± 0.03 0.52 ± 0.08 0.51 ± 0.06 0.55 ± 0.03 0.41 ± 0.06 0.39 ± 0.04 0.398 0.694
Olsen P (mg kg−1) 8.8 ± 4.6 12.0 ± 7.9 4.8 ± 0.8 3.7 ± 1.6 13.8 ± 7.1 19.3 ± 9.6 26.2 ± 32.2 25.6 ± 33.4 −0.345 0.733
Extractable K+ (mg kg−1) 126 ± 29 146 ± 27 172 ± 38 107 ± 59 124 ± 34 87 ± 20 105 ± 47 203 ± 135 −0.166 0.870
pH   4.1 ± 0.1 4.1 ± 0.2 5.1 ± 0.2 4.8 ± 0.1 4.4 ± 0.1 4.2 ± 0.2 5.9 ± 0.3 6.3 ± 0.5 0.161 0.874
Compaction (Mpa) 1422 ± 191 2038 ± 278 2051 ± 334 2854 ± 602 1373 ± 459 2337 ± 221 609 ± 213 1649 ± 333 −6.887 0.000
Infiltration time (min) 7.8 ± 5.3 7.0 ± 1.8 2.4 ± 1.7 10.5 ± 13.3 13.9 ± 13.4 17.9 ± 8.4 7.5 ± 5.7 25.3 ± 8.5 −2.315 0.029
Soil humidity (%) 51 ± 6 46 ± 5 23 ± 1 22 ± 1 28 ± 1 27 ± 4 26 ± 7 20 ± 2 2.470 0.020