Table 2. Mean values for C/N ratios in the co-digestion of GM with three CRs.

Treatment	Co-digestion mixing ratios
	0:100	10:90	30:70	50:50	70:30	90:10	100:0
GM/WS	91.05±3.44, a	58.24±0.48, b	35.64±0.58, c	29.71±1.22, d	22.06±0.82, e	19.12±0.83, f	17.97±0.84, f
GM/CS	88.51±4.65, a	53.43±2.50, b	32.64±1.46, c	25.13±1.13, d	21.26±0.97, e	18.90±0.87, e	17.97±0.84, e
GM/RS	92.79±3.10, a	57.46±0.30, b	34.82±0.61, c	26.28±0.77, d	21.80±0.82, e	19.05±0.83, f	17.97±0.84, f

The values are the mean ± standard deviation of triplicate measurements.

The ANOVA test was conducted to determine the differences between each cultivar. Values with the same letters indicate no significant difference at P<0.01.