Sources of variation

df

Sum of squares

Mean square

F value

Pr > F

Treatment

29

682,495.72

23534.33

555.60

<0.0001

Strain

2

5099.89

2549.94

60.20

<0.0001

Volume

4

215,214.55

53,803.63

1270.20

<0.0001

Strain × volume

8

8747.07

1093.38

25.81

<0.0001

Agitation

1

214,880.50

5072.90

142.32

<0.0001

Strain × agitation

2

3134.04

1567.02

36.99

<0.0001

Volume × agitation

4

228,147.83

57,036.96

1346.53

<0.0001

Strain × volume × agitation

8

7271.82

908.97

21.46

<0.0001

Error

120

5083.02

42.36

Total

149

687,578.75