Table 4 Effect of rate of RP application on the vermidegradation time of cow-dung paper-waste mixtures as reflected by C:N ratio

1

0

y = −0.0026x² − 0.2072x + 30.8

46

2

0.5

y = 0.002x² − 0.1234x + 31.0

42

9*

3

1.0

y = 0.0066x² − 0.7714x + 29.229

33

28*

4

1.5

y = 0.005x² − 0.6458x + 31.6

41

11*

5

2.0

y = 0.0059x² − 0.7038x + 30.4

41

11*

6

4.0

y = 0.007x² − 0.7646x + 29

40

13*

P > F

<0.0001