Concentration of Co in soil, ppm	Parallel tests , concentration in roots, ppm		Average	Coefficient K	Parallel tests, concentration in stems, ppm		Average	Coefficient K	Parallel tests, concentration in leaves, ppm		Average	Coefficient K
Concentration of Co in soil, ppm	1	2	Average	Coefficient K	1	2	Average	Coefficient K	1	2	Average	Coefficient K
10.16	ND	ND	ND	-	ND	ND	ND	-	ND	ND	ND	-
20.32	0.44	0.62	0.53	2.61	ND	ND	ND	-	ND	ND	ND	-
40.64	0.84	0.81	0.825	2.03	0.05	ND	0.05	0.12	0.02	ND	0.02	0.05