Table 2 Two-way analysis of variance of soil properties in two Ohio mixed-oak forests in relation to sample plot size. Macroplots were 50 m2 and microplots were 1 m2. N=198 for the macroplots and N=132 for the microplots. Variance components not significant at p≤0.05 are indicated in italics.
Response Variable | Full Model | Fire Treatment | Block | Fire-by-Block Interaction |
|---|---|---|---|---|
Total Inorganic N | ||||
Macroplot | F=15.59 | F=6.21 | F=36.95 | F=14.12 |
p<0.001 | p<0.003 | p<0.001 | p<0.001 | |
Microplot | F=8.23 | F=3.01 | F=0.43 | F=17.46 |
p<0.001 | p<0.050 | p<0.514 | p<0.001 | |
N Mineralization | ||||
Macroplot | F=18.39 | F=27.53 | F=21.64 | F=7.63 |
p<0.001 | p<0.001 | p<0.001 | p<0.001 | |
Microplot | F=12.14 | F=24.77 | F=5.26 | F=2.97 |
p<0.001 | p<0.001 | p<0.024 | p< 0.055 | |
Net Nitrification | ||||
Macroplot | F=14.79 | F=8.92 | F=35.29 | F=10.75 |
p<0.001 | p<0.002 | p<0.001 | p<0.001 | |
Microplot | F=14.78 | F=17.90 | F=1.84 | F=18.43 |
p<0.001 | p<0.001 | p<0.178 | p<0.001 | |
Soil Organic C | ||||
Macroplot | F=8.54 | F=0.82 | F=28.83 | F=6.04 |
p<0.001 | p< 0.443 | p<0.001 | p<0.003 | |
Microplot | F=16.86 | F=1.71 | F=18.39 | F=31.01 |
p<0.001 | p< 0.184 | p<0.001 | p<0.001 |