AI Article Synopsis
- The study evaluates the ability of the plant species L. to absorb and remove cadmium (Cd) from contaminated farmland soil through various research methods, including field and pot experiments.
- Results indicate that L. can accumulate significant levels of Cd, showing maximum concentrations of 77.01 mg·kg in leaves and high enrichment coefficients, especially in high-concentration soil treatments.
- The findings suggest that using L. for bioremediation of Cd pollution in agricultural settings is promising, with removal rates ranging between 13.2% and 15.6% per mu of soil.
Article Abstract
To evaluate the remediation potential of L. on cadmium (Cd) contaminated farmland soil, the Cd-containing plants and root were collected and analyzed by field investigation, original pot experiment, and field experiment. The enrichment factor and removal rate of L. was calculated. The results showed that the maximum Cd content in the leaves of s L. growing in soil of different lead-zinc mines was 77.01 mg·kg. In the high-concentration Cd soil treatment (T2), Cd content of the above-ground of L. was 69.71mg·kg, and Cd enrichment coefficient was 6.09. In the low-concentration Cd soil treatment (T1), the enrichment characteristics of Cd ( L.) are consistent with the enrichment characteristics of Cd under high concentration conditions. L. exhibits stable accumulation characteristics for Cd. In the field experiment, the average Cd content of L. was 21.13 mg·kg, and the enrichment coefficient was 6.93. The removal rate of the three planting L. per mu of soil using the L. to repair Cd contaminated soil was 13.2%-15.6%. The use of L. to repair Cd pollution in farmland has a good prospect for engineering application.
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| http://dx.doi.org/10.13227/j.hjkx.201810092 | DOI Listing |
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