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Table 2 Repeated-measures ANOVA for the split-plot experiments. SS: sum of squares; MS: mean of squares

From: Effects of simulated acid rain on soil respiration and its component in a mixed coniferous-broadleaved forest of the three gorges reservoir area in Southwest China

Variable Source SS df MS F-ratio P
5-cm soil temperature RC 0.04 1.00 0.04 0.65 0.428
SAR 0.42 3.00 0.14 2.04 0.135
RC × SAR 0.31 3.00 0.11 1.54 0.231
Times 20,715.41 23.00 900.67 17,913.89 < 0.001
Times × SAR 2.05 69.00 0.03 0.59 0.996
Times × RC × SAR 3.23 69.00 0.05 0.93 0.635
Error 27.75 552.00 0.05   
5-cm soil water content RC 18.31 1.00 18.31 57.55 < 0.001
SAR 1.97 3.00 0.66 2.07 0.131
RC × SAR 0.93 3.00 0.31 0.97 0.423
Times 2472.13 23.00 107.48 248.51 < 0.001
Times × SAR 22.89 69.00 0.33 0.77 0.915
Times × RC × SAR 28.49 69.00 0.41 0.95 0.583
Error 238.75 552.00 0.43   
Soil CO2 fluxes RC 59.65 1.00 59.65 10,170.22 < 0.001
SAR 14.35 3.00 4.78 815.45 < 0.001
RC × SAR 0.08 3.00 0.03 4.46 0.013
Times 237.54 23.00 10.33 1573.07 < 0.001
Times × SAR 6.37 69.00 0.09 14.07 < 0.001
Times × SAR × RC 1.92 69.00 0.03 4.23 < 0.001
Error 3.62 552.00 0.01   
Annual mean soil respiration rate RC 5.33 1.00 5.33 11,281.11 < 0.001
SAR 1.24 3.00 0.41 878.23 < 0.001
RC × SAR 0.01 3.00 0.00 4.86 0.009
Times 0.52 1 0.52 1200.66 < 0.001
Times × SAR 0.19 3 0.06 143.03 < 0.001
Times × SAR × RC 0.02 3 0.01 15.67 < 0.001
Error 0.01 24 0.00   
Annual cumulative soil respiration RC 673,061.58 1 673,061.58 25,420.13 < 0.001
SAR 135,053.87 3 45,017.96 1700.23 < 0.001
RC × SAR 6120.43 3 2040.14 77.05 < 0.001
Times 2547.28 1 2547.28 113.30 < 0.001
Times × SAR 651.49 3 217.16 9.66 < 0.001
Times × SAR × RC 651.49 3 217.16 9.66 < 0.001
Error 539.59 24 22.48   
Soil pH RC 1.272 1 1.272 351.883 < 0.001
SAR 0.475 3 0.158 43.785 < 0.001
RC × SAR 0.009 3 0.003 0.852 0.479
Times 1.44 3.00 0.48 69.66 < 0.001
Times × SAR 0.28 9.00 0.03 4.53 < 0.001
Times × RC × SAR 0.08 9.00 0.01 1.30 0.251
Error 0.49 72.00 0.01   
Fine root biomass SAR 0.51 3.00 0.17 8.48 0.003
Times 0.59 3.00 0.20 5.36 0.004
Times × SAR 0.95 9.00 0.11 2.88 0.012
Error 1.33 36.00 0.04   
  1. RC indicate respiration components (RS and Rh). SAR indicate simulated acid rain