Table 2.

Weight percentages of carbon, nitrogen, and oxygen in different groups

Groups	CK Mean ± SD	NK Mean ± SD	OK Mean ± SD
Group-S	6.84 c ± 0.65	3.25 c±0.41	40.65 b ±2.52
Group-S1	9.27 b ± 0.57	4.77 c± 0.51	42.22 b±3.12
Group-S2	9.82 b ± 0.57	5.43b c± 0.69	38.79 b±5.02
Group-S3	34.55 a± 0.77	14.99 a ± 1.48	48.32 a±2.29
P-value	< 0.001**	< 0.001**	< 0.001**
Multiple Comparisons using Bonferroni post-hoc
S vs. S1	< 0.0001**	0.51	0.987
S vs. S2	< 0.0001**	0.04*	0.942
S vs. S3	< 0.0001**	< 0.0001**	0.04*
S1 vs. S2	1.00	< 0.0001**	0.927
S1 vs. S3	< 0.0001**	< 0.0001**	0.003**
S2 vs. S3	< 0.0001**	< 0.0001**	< 0.0001**
**, and different superscript letters means significance at P < 0.05