Effects of Biosolids at Varying Rates on Earthworms (Eisenia fetida) and Springtails (Folsomia candida)
Table 3
The effect of rate of application, t ha−1, compared for each of five Biosolids on Eisenia fetida adult mortality, weight, and progeny (Mean of 6 replicates, 10 worms per replicate).
Biosolid
Rate t ha−1
Worm No. posttrial
Worm wt g pre-trial
Worm wt g posttrial
No. juvenile worms
Untreated control
0
10.0
0.3106
0.3311
68.2
1
2
10.0
0.2942
0.3202
95.2
5
9.8
0.292
0.3405
81.0
10
10.0
0.3025
0.3773
32.3
20
9.8
0.3092
0.4735
0.0
sed
0.136
0.0123
0.0199
13.50
2
2
10.0
0.2838
0.3231
107.0
5
10.0
0.3100
0.3629
10.5
10
8.5
0.2954
0.3849
0.0
20
0.0
0.2917
0.0
0.0
sed
0.438
0.0105
0.0160
9.342
3
2
10.0
0.3122
0.3260
44.0
5
10.0
0.3005
0.3125
6.3
10
6.2
0.3000
0.4323
0.0
20
0.0
0.3118
0.0
0.0
sed
0.902
0.00869
0.0621
4.554
4
5
9.7
0.3020
0.4444
46.8
10
9.8
0.3008
0.4042
7.0
20
3.8
0.3210
0.4557
0.0
sed
1.20
0.0119
0.0509
6.562
5
5
10.0
0.3046
0.3418
49.8
10
10.0
0.2837
0.3513
1.2
20
9.5
0.3152
0.3710
0.7
sed
0.279
0.0207
0.0253
7.864
sed: Standard Error of the Difference between Means.
