Table 1.

Physicochemical properties of the organic materials used for the composting mixtures

Material	pH	Moisture (%)	TOC (g/kg)	Total N (g/kg)	C/N
Pig manure	8.70 (0.22)	75.0 (0.48)	350.0 (3.23)	27.0 (0.73)	12.9 (0.24)
Corn stalk	7.50 (0.08)	9.3 (0.06)	419.0 (2.98)	9.9 (0.25)	4.2 (0.18)
Sawdust	7.20 (0.09)	20.6 (0.12)	454.0 (1.35)	3.0 (0.09)	151.3 (0.89)
Spent mushroom compost	6.51 (0.42)	46.9 (0.32)	351.0 (3.97)	16.0 (0.30)	21.9 (0.49)

TOC: total organic carbon. Values are expressed as mean of triplicates (dry weight basis), values in parentheses are standard error