Effects of woody plant roots on migration of ciprofloxacin and tylosin in soil
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View abstract on PubMed
Summary
This summary is machine-generated.Woody plant roots significantly alter soil properties, influencing antibiotic migration. While promoting ciprofloxacin (CIP) adsorption, they inhibit tylosin (TYL) adsorption, increasing both antibiotic masses in soil discharge.
Area Of Science
- Environmental Science
- Soil Science
- Ecotoxicology
Background
- Antibiotics in soil pose environmental risks, potentially contaminating water sources.
- Woody plant root systems can modify soil characteristics, affecting contaminant transport.
- Understanding plant-root interactions is crucial for predicting antibiotic migration in soil.
Purpose Of The Study
- To investigate the migration of ciprofloxacin (CIP) and tylosin (TYL) through soil containing woody plant roots.
- To compare the effects of different root types (taproot, fibrous, mixed) on antibiotic transport.
- To assess how plant roots influence antibiotic adsorption and soil properties.
Main Methods
- Soil column experiments using three woody plant species with distinct root architectures.
- Measurement of antibiotic mass in soil column discharge.
- Quantification of antibiotic adsorption to soil.
- Analysis of soil properties, including soil organic matter (SOM).
Main Results
- Woody plant roots increased soil infiltration capacity, leading to higher antibiotic discharge mass.
- CIP discharge mass increased by 0.05-0.52 times and TYL by 1.36-2.59 times.
- Roots promoted CIP adsorption but inhibited TYL adsorption, with varying effects based on root type.
- Antibiotic migration was enhanced in deeper soil layers with plant roots.
- TYL adsorption showed a significant negative correlation with SOM content.
Conclusions
- Woody plant roots significantly impact the fate and transport of antibiotics in soil.
- Root architecture plays a key role in differential antibiotic migration and adsorption.
- Plant roots can alter soil properties, affecting the environmental risk of antibiotic contamination.
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