Effect of Peanut Intercropping on Arsenic Uptake and Remediation Efficiency of Plants in Arsenic-Contaminated Soil

Agronomy, Journal Year: 2025, Volume and Issue: 15(2), P. 321 - 321

Published: Jan. 27, 2025

Phytoremediation is an economically viable and environmentally friendly technique among various arsenic-contaminated soil remediation technologies. Field plot experiments were conducted to investigate the effects of peanut intercropping with sunflower, lucerne, jute on growth development intercropped crops efficiency arsenic (As) in polluted within system. The results indicate that peanuts other can enhance biomass yield crops. land equivalent ratios (LER) three patterns 1.03, 1.70, 1.17, respectively. pattern also influences absorption accumulation As Total reached 493 μg·plant−1, which was significantly higher by 29.5% compared monoculture. Additionally, translocation factor (TF) bioaccumulation (BCF) seeds peanut-jute treatments, but content all treatments complied national food safety standards (GB2762-2022, 0.5 mg·kg−1). Intercropping altered pH Eh values rhizosphere soil, further influencing percentage forms reducing mobility effectiveness As. metal removal (MRER) for 1.30, 2.11, 1.26, lucerne resulted MRER 2.11. It indicates has a significant promotion high restoration lucerne. Therefore, patterns, best effect applying contaminated better realize integration economic ecological benefits.

Language: Английский

Seasonal Pollution Levels and Heavy Metal Contamination in the Jukskei River, South Africa

Applied Sciences, Journal Year: 2025, Volume and Issue: 15(6), P. 3117 - 3117

Published: March 13, 2025

Monitoring river systems is crucial for understanding and managing water resources, predicting natural disasters, maintaining ecological balance. Assessment of heavy metal pollution derived valuable data which are critical the environmental management regulatory compliance Jukskei River. Heavy elements were evaluated in River seasonal impact, potential health risks, contamination level with concentration levels ranging from 6900 mg/kg iron (Fe) to 0.85 cadmium (Cd) dry sampling season Fe 0.26 Cd wet season. Enrichment factor analysis indicated high Pb both seasons. Moreover, indicators revealed extremely geo-accumulation enrichment factors downstream upstream seasons a mild mercury (Hg). Principal Component Analysis anthropogenic sources arsenic (As), Cd, due wastewater agricultural pesticide application while Thorium (Th), uranium (U) Hg attributed as results gold mining activities. ANOVA Pearson correlation showed moderate link between As–Pb, Cd–Pd, As–Hg, significantly correlated. The risk index assessment significant impact metals on freshwater ecosystem.

Language: Английский