Relationship between Color and Total Organic Carbon in Compost

Table 3

Pearson correlation between TOC and the coordinates.

Size						Regression equation		Error
A	0.852	−0.992	0.912	0.887	0.954	COT = −97.533 () + 357.67	0.985	1.243
B	0.640^NS	−0.932	0.968	0.956	0.955	COT = 14.39 () + 30.678	0.940	2.465
A	0.852	−0.992	0.912	0.887	0.954	COT = 45.797 () − 1332.60	0.727	5.297

A = compost with a particle size of 0.5 mm; B = compost with a particle size of 2 mm.