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Quantification of the Potential Impact of Glyphosate-Based Products on Microbiomes
Published on: January 10, 2022
Researches regarding extractable glyphosate residues from different soils
Ersilia Alexa1, Aurel Lazureanu, Simion Alda
1Banatś University of Agricultural Science Timisoara, Romania. ersilia_alexa@yahoo.com
Communications in Agricultural and Applied Biological Sciences
|February 21, 2009
Summary
This study quantifies glyphosate residues in soil solutions using HPLC-FLD. Extractable glyphosate levels varied by soil type, decreasing in Gleysoil, Black Chernozem, and Slight Vertisol.
Area of Science:
- Environmental Chemistry
- Soil Science
- Agrochemicals
Background:
- Glyphosate is a widely used, broad-spectrum herbicide.
- Herbicide application results in soil contact and solution presence.
- Soil adsorption influences glyphosate's environmental fate.
Purpose of the Study:
- To determine extractable glyphosate residues in different soil types.
- To analyze the impact of soil parameters on glyphosate availability.
Main Methods:
- High-Performance Liquid Chromatography with Fluorescence Detection (HPLC-FLD) was used.
- Analysis was performed on Black Chernozem, Typical Gleysoil, and Slight Vertisol samples.
- Extractable glyphosate residues were quantified in soil solutions.
Main Results:
- Extractable glyphosate residue fractions were generally low (<20%).
- Residue levels varied significantly based on soil properties.
- Glyphosate extractability decreased in the order: Gleysoil > Black Chernozem > Slight Vertisol.
Conclusions:
- Soil type is a critical factor influencing glyphosate's environmental persistence.
- Understanding soil-herbicide interactions is key for environmental risk assessment.
- HPLC-FLD provides a reliable method for quantifying soil glyphosate residues.
