Effect of Sample Sources on Heavy Metal Concentration Measured in Beta Vulgaris Organs

Table 3

Effect of the interaction between heavy metals and plant organs.

Parameter	dF	F-statistic	value	Partial η2
Mosquera
Vegetable organs (Vo)	2	43.92	<0.001	0.582
Metal (M)	6	538.83	<0.001	0.981
Vo  M	12	3.95	<0.001	0.430
Sibaté
Vegetable organs (Vo)	2	41.82	<0.001	0.570
Metal (M)	6	1701.25	<0.001	0.994
Vo  M	12	21.11	<0.001	0.801
Soil
Source samples (SS)	1	23.02	<0.001	0.354
Metal (M)	6	157.24	<0.001	0.957
SS  M	6	5.96	<0.001	0.460

Effect size—partial η2: Cohen’s guidelines 0.2—small effect, 0.5—moderate effect, 0.8—large effect. Vo  M: vegetable organs  metal.