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Table 1 Three-way Analysis of variance of soil properties in two Ohio mixed-oak forests, with fire treatment, plot size, and study site (=block) as main effects. N=376. Variance components not significant at pā‰¤0.05 are indicated in italics.

From: Effects of Prescribed Fire at Two Frequencies on N Mineralization and Nitrification at Two Spatial Scales in Mixed-Oak Forests

Response Variable

Full Model

Fire

Plot Treatment

Block Size

Fire-Plot Interaction

Fire-Block Interaction

Plot-Block Interaction

Total

F=10.82

F=2.36

F=1.38

F=17.81

F=5.89

F=23.46

F=9.82

Inorganic N

p<0.001

p<0.097

p<0.241

p<0.001

p<0.004

p<0.001

p<0.002

N

F=15.63

F=50.11

F=1.06

F=22.21

F=2.17

F=5.56

F=1.07

Mineralization

p<0.001

p<0.001

p<0.305

p<0.001

p<0.116

p<0.005

p<0.302

Net n

F=15.94

F=27.62

F=1.58

F=19.96

F=4.82

F=27.53

F=4.59

Nitrificatio

p<0.001

p<0.001

p<0.211

p<0.001

p<0.009

p<0.001

p<0.033

Soil

F=10.75

F=0.44

F=0.34

F=43.08

F=2.09

F=23.77

F=0.02

Organic C

p<0.001

p<0.648

p<0.563

p<0.001

p<0.125

p<0.001

p<0.981