Aim: Heavy metal concentration [mg/dL, MP] in soil and the transfer to vegetable organs may have a sampling effect. We compared the [MP] in soil and organ samples of collected in sites with socioeconomic differences potentially inducing phytotoxicity.
Materials And Methods: Samples of Beta vulgaris and soils ( = 4 per sample of soil and plant material) were randomly collected from two distant geographic areas (Mosquera and Sibaté, Cundinamarca, Colombia). We determined the [MP] using acid digestion of HCl : HNO [1 : 1]; the [MP] was obtained by atomic absorption in Varian AA-140 and Shimadzu AA-7000 equipment. A two-way ANOVA estimated the effect (partial 2) of the sampling site and metal type on the [MP] and transfer to the vegetable.
Results: In Sibaté, the means (SD) of As_1.44 (0.18), Co_1.09 (0.51), Cr_6.21 (0.33), Ni_0.22 (0.02), and Pb_4.17 (0.87) were higher than in Mosquera (As_1.06 (0.21), Co_0.81 (0.19), Cr_3.72 (0.51), Ni_0.13 (0.04), and Pb_1.69 (0.40)) ( value <0.05). The effect of the interaction between the metal type and organs on the [MP] (0.801) in Sibaté was more meaningful than in Mosquera (0.430). Additionally, there was a strong correlation (Spearman's > 0.8, value <0.001) between [MP_soil] and [MP_plants] and between the transfer of metals to the plant and to the leaves. . The sampling location has a differential effect on the [MP] in soil and the transfer to . Given the differential effect described, the monitoring and phytoremediation strategies must be adjusted to scenarios with potentially phytotoxic conditions.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9206551 | PMC |
| http://dx.doi.org/10.1155/2022/4968739 | DOI Listing |
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