Table 2.
pH | Bulk density (g cm−3) | Water content (%) | CEC (meq 100g−1) | Corg (%) | Ntot (%) | Kav (mg K2O kg−1) | Caav (mg CaO kg−1) | Mgav (mg MgO kg−1) | Na{sb}{/sb}av (mg Na kg−1) | |||
---|---|---|---|---|---|---|---|---|---|---|---|---|
RL (m m−2) | Fibr | β | -36.9 | 528.4 | -8.1 | -7.6 | -40.2 | -314.4 | -4.3 | -2.1 | -2.7 | -5.9 |
R² | 0.56 | 0.74 | 0.34 | 0.16 | 0.48 | 0.20 | 0.23 | 0.21 | 0.15 | 0.05 | ||
p | 0.005 | 0.000 | 0.044 | 0.197 | 0.013 | 0.151 | 0.121 | 0.139 | 0.208 | 0.525 | ||
Pion | β | -69.2 | 813.0 | -9.9 | -12.8 | -64.4 | -405.2 | -5.7 | -2.9 | -5.9 | -2.5 | |
R² | 0.60 | 0.53 | 0.16 | 0.14 | 0.37 | 0.10 | 0.12 | 0.12 | 0.23 | 0.00 | ||
p | 0.003 | 0.007 | 0.202 | 0.234 | 0.035 | 0.319 | 0.269 | 0.263 | 0.119 | 0.883 | ||
RB (g m−2) | Fibr | β | -0.9 | 12.2 | -0.2 | -0.2 | -0.9 | -7.3 | -0.1 | -0.0 | -0.1 | -0.1 |
R² | 0.58 | 0.74 | 0.34 | 0.16 | 0.49 | 0.20 | 0.23 | 0.20 | 0.16 | 0.04 | ||
p | 0.004 | 0.000 | 0.046 | 0.191 | 0.012 | 0.151 | 0.118 | 0.143 | 0.198 | 0.548 | ||
Pion | β | -13.3 | 147.1 | -1.9 | -2.8 | -12.4 | -96.4 | -1.3 | -0.7 | -1.0 | -0.7 | |
R² | 0.71 | 0.58 | 0.19 | 0.22 | 0.46 | 0.18 | 0.21 | 0.20 | 0.22 | 0.00 | ||
p | 0.001 | 0.004 | 0.151 | 0.12 | 0.016 | 0.163 | 0.137 | 0.149 | 0.121 | 0.794 | ||
SRL (m g−1) | Fibr | β | 0.8 | -5.3 | 0.3 | 0.1 | 1.3 | 13.6 | 0.3 | 0.1 | 0.2 | 0.8 |
R² | 0.04 | 0.01 | 0.08 | 0.00 | 0.10 | 0.07 | 0.20 | 0.08 | 0.19 | 0.14 | ||
p | 0.529 | 0.723 | 0.349 | 0.826 | 0.323 | 0.423 | 0.146 | 0.389 | 0.160 | 0.232 | ||
Pion | β | 0.4 | -4.8 | 0.1 | 0.2 | 0.6 | 7.1 | 0.1 | 0.0 | 0.0 | 0.1 | |
R² | 0.11 | 0.09 | 0.11 | 0.13 | 0.13 | 0.14 | 0.23 | 0.05 | 0.02 | 0.00 | ||
p | 0.289 | 0.353 | 0.291 | 0.260 | 0.255 | 0.229 | 0.114 | 0.471 | 0.701 | 0.783 | ||
Root Production (g m−2 year−1) | Fibr | β | -0.5 | 8.4 | -0.2 | -0.1 | -0.5 | -9.0 | -0.1 | -0.1 | 0.0 | 0.0 |
R² | 0.13 | 0.29 | 0.21 | 0.08 | 0.10 | 0.22 | 0.21 | 0.31 | 0.03 | 0.00 | ||
p | 0.280 | 0.009 | 0.158 | 0.412 | 0.356 | 0.142 | 0.151 | 0.075 | 0.586 | 0.995 | ||
Pion | β | -5.9 | 118.4 | -2.4 | -1.0 | -9.2 | -101.1 | -1.4 | -0.6 | 0.1 | -1.4 | |
R² | 0.12 | 0.31 | 0.25 | 0.02 | 0.21 | 0.17 | 0.20 | 0.13 | 0.00 | 0.02 | ||
p | 0.271 | 0.059 | 0.096 | 0.634 | 0.135 | 0.183 | 0.144 | 0.245 | 0.873 | 0.663 | ||
Turnover rate (year−1) | Fibr | β | 0.1 | -1.5 | 0.0 | 0.0 | 0.1 | 1.2 | 0.0 | 0.0 | -0.0 | 0.0 |
R² | 0.50 | 0.64 | 0.33 | 0.19 | 0.37 | 0.28 | 0.22 | 0.28 | 0.15 | 0.00 | ||
p | 0.015 | 0.003 | 0.066 | 0.184 | 0.045 | 0.091 | 0.142 | 0.094 | 0.239 | 0.781 | ||
Pion | β | 0.1 | -1.1 | 0.0 | 0.0 | 0.1 | 0.8 | 0.0 | 0.0 | 0.0 | 0.0 | |
R² | 0.18 | 0.36 | 0.18 | 0.03 | 0.15 | 0.14 | 0.17 | 0.20 | 0.00 | 0.00 | ||
p | 0.173 | 0.038 | 0.169 | 0.570 | 0.211 | 0.231 | 0.181 | 0.149 | 0.834 | 0.885 |
CEC, cation exchange capacity; org, organic; tot, total; av, available.
Emboldened values are those with p-value lower than 0.05. Legend: β = slope, p = p-value.