Correlation coefficient (R) between the concentration of P2O5 toxins in the soil environment and Enxime Peroxydase (M) activity in the plants.

Table 3: Correlation coefficient (R) between the concentration of P2O5 toxins in the soil environment and Enxime Peroxydase (M) activity in the plants.

Correlate	M - SO₄^2-		M - Fe²⁺		M - Al³⁺		M - P₂O₅
In the tree	leaves	roots	leaves	Roots	Leaves	Root	Leaves	Root
Eleocharis Dulcis	+0,7204	-0,2015	+0,6344	-0,2104	+0,8432	-0,3215	-0,3467	+0,5241
Cà Dung	+0,6843	-0,2254	+0,6278	-0,2447	+0,8023	-0,3254	-0,3670	+0,4632
IR38	+0,3452	-0,4568	+0,4312	-0,5649	+0,6174	-0,8592	-0,2891	+0,3434

Note: M is the activity of Enzyme Peroxidase R0,95 = 0,754