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Related Concept Videos

The Soil Ecosystem02:23

The Soil Ecosystem

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Plants obtain inorganic minerals and water from the soil, which acts as a natural medium for land plants. The composition and quality of soil depend not only on the chemical constituents but also on the presence of living organisms. In general, soils contain three major components:
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  1. Home
  3. Research Domains
  5. Environmental Sciences
  7. Soil Sciences
  9. Soil Physics
  11. Assessing Global-warming Induced Soil Organic Matter And Iron Oxides Depletion: Empirical Insights Into Sorption And Uptake Of Atrazine By Plants.
  1. Home
  3. Research Domains
  5. Environmental Sciences
  7. Soil Sciences
  9. Soil Physics
  11. Assessing Global-warming Induced Soil Organic Matter And Iron Oxides Depletion: Empirical Insights Into Sorption And Uptake Of Atrazine By Plants.

Related Experiment Video

Integrated Field Lysimetry and Porewater Sampling for Evaluation of Chemical Mobility in Soils and Established Vegetation
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Assessing global-warming induced soil organic matter and iron oxides depletion: Empirical insights into sorption and uptake of atrazine by plants.

Paul N Diagboya1, Rolf-Alexander Düring2

  • 1Institute of Soil Science and Soil Conservation, Research Centre for BioSystems, Land Use and Nutrition (iFZ), Justus Liebig University Giessen, Heinrich-Buff-Ring 26, Giessen 35392, Germany; Environmental fate of chemicals and remediation (EnFaCRe) laboratory, Department of Environmental Management and Toxicology, University of Delta, Agbor, Nigeria.

Ecotoxicology and Environmental Safety
|July 30, 2024

View abstract on PubMed

Summary
This summary is machine-generated.

Pesticide sorption in depleted sub-Saharan soils is low, increasing atrazine leaching risk. Vegetable uptake of atrazine is significant, especially in soils lacking organic matter and iron oxides.

Keywords:
Climate changeHerbicidePesticide absorption in plantsSoil property

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Area of Science:

  • Environmental Chemistry
  • Soil Science
  • Agricultural Science

Background:

  • Pesticide fate in soil is crucial for environmental transport and plant uptake.
  • Soil properties influencing pesticide sorption are affected by global warming-induced depletion.
  • Understanding sub-Saharan soil responses to pesticide contamination is vital.

Purpose of the Study:

  • To investigate atrazine sorption/desorption in depleted sub-Saharan soils.
  • To assess the impact of soil organic matter and iron oxide depletion on atrazine fate.
  • To evaluate atrazine uptake by vegetables grown in contaminated soils.

Main Methods:

  • Monitoring atrazine sorption and desorption on whole and depleted sub-Saharan soils.
  • Analyzing atrazine uptake by waterleaf and spinach.
Spinach– Spinacia oleracea
Waterleaf– Talinum triangulare
  • Assessing the influence of soil properties (pH, temperature, organic matter) on atrazine fate.

    • Main Results:

    • Organic matter depletion enhanced atrazine desorption (≥95%) compared to whole soil (≥65%).
    • Soil organic matter played a more significant role in sorption than iron oxides.
    • Atrazine was detected in soil after 63 days and impacted vegetable growth, particularly in depleted soils.

    Conclusions:

    • Depleted sub-Saharan soils exhibit high atrazine desorption, indicating a significant risk of aquifer leaching.
    • Waterleaf and spinach grown on contaminated soils, especially depleted ones, are likely to accumulate atrazine.
    • Soil organic matter is a key factor controlling atrazine fate and bioavailability in these soils.