Table 4 Mean lettuce biomass per pot in response to slug control (SC), watering regime (W) and earthworms (EW) and their respective interactions.

From: Efficacy of chemical and biological slug control measures in response to watering and earthworms

Factors

Df

Sum Sq

Mean Sq

F value

Pr(>F)

Slug control (SC)

3

954

318.1

1.978

0.126

Watering (W)

1

128

127.8

0.795

0.376

Earthworms (EW)

1

23

23.2

0.144

0.705

SC:EW

3

244

81.5

0.507

0.679

SC:W

3

212

70.5

0.439

0.726

EW:W

1

63

63.2

0.393

0.533

SC:W:EW

3

239

79.7

0.495

0.687

  1. Df = degrees of freedom, Sum Sq = sum of squares, Mean Sq = mean square, Pr (>F) = p value.
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