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Table 1 ANOVA-results on the effects of seed dressings, earthworms and collembola on soil and plant parameter

From: Pesticide seed dressings can affect the activity of various soil organisms and reduce decomposition of plant material

Parameter Seed dressing (SD) Earthworms (EW) Collembola (coll) SD × EW SD × coll EW × coll
F P F P F P F P F P F P
Earthworms
 Surface activity (toothpicks) 2.37 0.104 2.97 0.091 1.42 0.253
 Surface activity (no. casts) 0.78 0.464 8.02 0.007 0.30 0.739
 Surface activity (cast mass) 0.75 0.479 2.87 0.097 0.91 0.411
Collembola
 Surface activity (total no.) 5.04 0.010 62.56 <0.001 4.97 0.011
 Surface activity (daily no.) 1.41 0.250 9.87 0.003 1.90 0.159
Protista
 Flagellates (abundance g−1 soil) 3.36 0.053 0.13 0.720 0.16 0.849
 Amoebae (abundance g−1 soil) 1.54 0.237 0.03 0.855 0.17 0.842
 Protozoa (abundance g−1 soil) 3.31 0.055 0.01 0.933 0.02 0.979
Soil microorganisms
 Basal respiration (µg CO2–C g−1 h−1) 1.01 0.372 14.794 <0.001 4.56 0.038 0.47 0.628 0.78 0.492 0.03 0.866
 Microbial biomass Cmic (µg C g−1) 0.26 0.773 4.07 0.049 0.02 0.881 0.48 0.619 0.54 0.585 1.93 0.171
 Metabolic quotient qCO2 (µg CO2–C g−1 h−1 Cmic h−1) 0.98 0.382 0.03 0.856 1.51 0.225 2.91 0.064 0.73 0.489 7.99 0.007
Litter decomposition
 Decomposition rate (k) 3.80 0.043 0.01 0.955 0.45 0.507 0.19 0.825 1.03 0.368 1.01 0.322
 Stabilisation factor (S) 0.25 0.779 0.29 0.588 1.34 0.254 0.26 0.769 2.07 0.139 1.80 0.187
Soil abiotic parameters
 Water content (%) 1.98 0.149 20.83 <0.001 1.52 0.224 0.90 0.412 0.53 0.589 0.01 0.983
 Temperature (°C) 0.05 0.951 2.71 0.106 0.17 0.678 0.83 0.443 0.15 0.864 0.66 0.422
 Electrical conductivity (mS m−1) 0.02 0.980 9.30 0.004 0.01 0.958 2.22 0.119 0.09 0.915 0.01 0.957
Wheat parameter
 Germination rate (%) 0.51 0.601 0.01 0.998 0.51 0.477 1.25 0.295 0.51 0.601 0.03 0.859
 Height (cm) 2.11 0.133 93.77 <0.001 0.06 0.799 0.47 0.627 0.06 0.945 0.85 0.362
 Biomass (g) 0.87 0.424 3.84 0.056 0.14 0.705 0.21 0.815 0.69 0.506 0.53 0.472
  1. No data available
  2. Significant effects in italics; model degrees of freedom: seed dressing df = 2, earthworms df = 1, collembola df = 1