Table 2. Two-sample independent t-test for comparing electrical conductivity (EC), total dissolved solids (TDS), salinity and pH for vermicast-sawdust mixed media without (A) and with (B) Trichoderma viride in the nutrient release experiments.

Growing Medium	pH	EC	TDS	Salinity
A1	7.41±0.16	122.4±43.9	84.6±31.5	57.2±20.8
B1	7.21±0.23	125.4±56.7	88.6±39.8	59.4±26.9
P-value	0.003	ns	ns	ns
A2	7.37±0.13	101.8±38.0	71.0±26.2	47.5±17.7
B2	7.18±0.23	88.3±41.1	61.9±28.7	41.3±19.5
P-value	0.002	ns	ns	ns
A3	7.35±0.12	88.7±43.2	62.0±30.2	41.6±20.2
B3	7.16±0.21	73.0±33.2	51.4±23.2	34.7±16.1
P-value	0.002	ns	ns	ns
A4	7.30±0.10	67.4±25.4	47.0±17.9	31.4±12.1
B4	7.09±0.19	49.5±21.9	34.6±15.3	23.0±10.2
P-value	<0.001	0.026	0.028	0.027
A5	7.00±0.20	44.07±9.37	30.99±6.80	20.46±4.48
B5	6.72±0.16	30.30±10.50	21.00±7.22	13.91±4.93
P-value	<0.001	<0.001	<0.001	<0.001

Values are means ± standard errors and n = 3 per experimental replicate.

ns, no significant difference at P>0.05.

A1, B1 are 80%vermicast+20%sawdust; A2, B2 are 60%vermicast+40%sawdust; A3, B3 are 40%vermicast+60%sawdust; A4, B4 are 20%vermicast+ 80%sawdust; and A5, B5 are sawdust alone.