Treatments as a ratio of urea (U) and PC | ||||||||
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Variables | YR | DAP | U1: PC0a | U3:PC1 | U1:PC1 | U1:PC3 | U0:PC1 | Check |
pH | 2012 | 0 | 6.8 ± 0.1 bBb | 6.8 ± 0.2 bB | 7.2 ± 0.3 bA | 7.0 ± 0.2 bAB | 7.2 ± 0.1 bA | 7.2 ± 0.4 cA |
133 | 6.4 ± 0.3 cB | 6.8 ± 0.3 bAB | 7.4 ± 0.1 abA | 7.2 ± 0.4 bA | 7.3 ± 0.5 bA | 7.3 ± 0.6 abcA | ||
2013 | 0 | 6.9 ± 0.1 bA | 7.0 ± 0.2 abA | 7.4 ± 0.1 abA | 7.2 ± 0.3 bA | 7.3 ± 0.5 bA | 7.4 ± 0.6 bA | |
133 | 6.7 ± 0.2 bB | 7.1 ± 0.1 aAB | 7.5 ± 0.1 aA | 7.4 ± 0.2 aA | 7.6 ± 0.3 aA | 7.5 ± 0.5 abA | ||
NO3-N | 2012 | 0 | 1.4 ± 0.3 dAB | 0.6 ± 0.2 cB | 0.8 ± 0.9 cAB | 0.5 ± 0.1 cB | 0.7 ± 0.5 cB | 1.5 ± 0.6 cA |
133 | 29.2 ± 17 aA | 2.9 ± 0.9 bB | 3.0 ± 1 bB | 3.7 ± 1 abB | 4.6 ± 2 bB | 3.0 ± 2 bB | ||
2013 | 0 | 5.3 ± 0.6 cA | 5.4 ± 1.3 aA | 6.0 ± 0.9 aA | 5.4 ± 0.2 aA | 6.5 ± 1.2 aA | 7.2 ± 3 aA | |
133 | 17.5 ± 8 bA | 2.6 ± 1.2 bB | 3.4 ± 2.3 bB | 4.6 ± 2.5 aB | 3.8 ± 1.4 bB | 2.7 ± 0.5 bB | ||
Ca | 2012 | 0 | 1159.7 ± 171 bA | 1120.7 ± 123 bA | 1263.3 ± 129 abA | 1139.3 ± 82 bA | 1192.7 ± 115 bA | 1295.7 ± 298 bA |
133 | 1057.3 ± 103 bA | 1126.7 ± 110 bA | 1287.7 ± 122 abA | 1193.7 ± 33 bA | 1307.3 ± 351 abA | 1303.7 ± 433 bA | ||
2013 | 0 | 1111.3 ± 91 bA | 1108.7 ± 120 bA | 1246.7 ± 73 bA | 1152.3 ± 129 bA | 1345.3 ± 424 abA | 1406.3 ± 495 aA | |
133 | 1243.3 ± 95 aA | 1242.3 ± 121 aA | 1471.3 ± 57 aA | 1388.3 ± 116 aA | 1423.0 ± 186 aA | 1450.3 ± 365 aA |
Herbivores | Bacterivores | Fungivores | Omnivores | Predators |
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Probability > |
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Variables | TR |
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TR × |
Trophic groups | |||
Herbivores | 0.95 | < 0.0001 | 0.60 |
Bacterivores | 0.95 | < 0.0001 | 0.67 |
Fungivores | 0.93 | < 0.0001 | 0.77 |
Omnivores | 0.86 | < 0.0001 | 0.35 |
Predators | 0.48 | < 0.0001 | 0.82 |
Non-herbivores | 0.98 | < 0.0001 | 0.62 |
Total nematodes | 0.97 | < 0.0001 | 0.89 |
Diversity indices | |||
H′a | 0.99 | < 0.0001 | 0.2 |
Hill’s N1 | 0.97 | < 0.0001 | 0.29 |
Hill’s N0 | 0.99 | < 0.0001 | 0.44 |
Ecological disturbance indices | |||
PPI | 0.91 | < 0.0001 | 0.43 |
MI | 0.67 | < 0.0001 | 0.48 |
MI25 | 0.13 | < 0.0001 | 0.64 |
Food web indices | |||
EI | 0.630 | 0.0012 | 0.49 |
SI | 0.041 | < 0.0001 | 0.48 |
BI | 0.623 | < 0.0001 | 0.61 |
CI | 0.940 | < 0.0001 | 0.48 |
Soil respiration | 0.020 | < 0.0001 | 0.53 |
Soil physiochemical properties | |||
Bulk density | 0.45 | < 0.0001 | 0.98 |
Porosity | 0.26 | < 0.0001 | 0.98 |
Moisture | 0.28 | < 0.0001 | 0.73 |
Soil pH | 0.18 | < 0.0001 | 0.01 |
Phosphorus | 0.02 | 0.005 | 0.74 |
Potassium | 0.69 | < 0.0001 | 0.42 |
Calcium | 0.48 | < 0.0001 | 0.03 |
Magnesium | 0.74 | < 0.0001 | 0.55 |
Organic matter | 0.23 | < 0.0001 | 0.54 |
Nitrate-nitrogen | 0.02 | < 0.0001 | <0.0001 |
Ammonium-nitrogen | 0.43 | < 0.0001 | 0.99 |
Cation exchange capacity | 0.62 | < 0.0001 | 0.55 |