Table 4 Biological accumulation coefficients of metal ions in grains and soil contamination levels following treatment with PG organic in the experimental plots.
From: Valorization of rare earth processing byproducts for agriculture usage
Metal | Treatment plot | Notes |
|---|---|---|
As | ||
BAC | 0.19 | Moderate |
I-geo | −2.89 | Uncontaminated |
CF | 0.20 | low CF |
Cd | ||
BAC | 0.75 | Moderate |
I-geo | −1.38 | Uncontaminated |
CF | 0.58 | low CF |
Pb | ||
BAC | 0.05 | Low |
I-geo | −0.36 | Uncontaminated |
CF | 0.45 | low CF |
BAC | 0.03 | Low |
I-geo | −3.86 | Uncontaminated |
CF | 0.10 | low CF |
Se | ||
BAC | 0.00 | Weak |
I-geo | 0.00 | Uncontaminated |
CF | 0.00 | low CF |
Zn | ||
BAC | 0.61 | Moderate |
I-geo | −3.08 | Uncontaminated |
CF | 0.18 | low CF |
Mn | ||
BAC | 1.76 | Active |
Igeo | −4.29 | Uncontaminated |
CF | 0.07 | low CF |
B | ||
BAC | 20.88 | Active |
Igeo | −6.87 | Uncontaminated |
CF | 0.01 | low CF |
PLI | 0.25 | Not polluted |