marginally significantP = 0.05
Four (TH, Ca 2+ , Fe 2+ , and NH 4 + ) showed a marginally significant increase (P = 0.05–0.07), whereas the other variables did not show a significant pattern, albeit most of the non-significant increases (e.g.
Four (TH, Ca 2+ , Fe 2+ , and NH 4 + ) showed a marginally significant increase (P = 0.05–0.07), whereas the other variables did not show a significant pattern, albeit most of the non-significant increases (e.g.