PapersFlow Research Brief
Pesticide and Herbicide Environmental Studies
Research Guide
What is Pesticide and Herbicide Environmental Studies?
Pesticide and Herbicide Environmental Studies is a field examining the use, environmental impact, degradation, contamination risks, and management strategies of pesticides including herbicides in agricultural and natural settings.
This field encompasses 67,275 published works on pesticide degradation in soils, groundwater contamination, toxicity effects, risk assessment, and bioremediation. Key methods include soil microbial biomass measurements via chloroform fumigation for carbon and nitrogen, as developed by Vance et al. (1987) with 12,303 citations and Brookes et al. (1985) with 5,581 citations. Growth rate over the last 5 years is not available in the data.
Topic Hierarchy
Research Sub-Topics
Pesticide Soil Degradation Kinetics
This sub-topic studies microbial, hydrolytic, and photolytic degradation pathways and half-life kinetics of pesticides in soils. Researchers model DT50 values under varying environmental conditions.
Herbicide Soil Sorption
This sub-topic examines adsorption-desorption isotherms, Kd, and Koc parameters for herbicides binding to soil organic matter and clays. Researchers link sorption to leaching potential.
Pesticide Groundwater Contamination
This sub-topic investigates detection, transport modeling, and attenuation of pesticides in aquifers from field applications. Researchers develop monitoring protocols and vulnerability maps.
Pesticide Ecotoxicity Risk Assessment
This sub-topic develops probabilistic risk assessment frameworks integrating exposure and toxicity data for non-target species. Researchers apply species sensitivity distributions for regulatory decisions.
Pesticide Bioremediation Strategies
This sub-topic explores microbial consortia, genetically modified organisms, and plant-based bioremediation for pesticide-contaminated sites. Researchers optimize conditions for field-scale degradation.
Why It Matters
Pesticide and Herbicide Environmental Studies informs risk assessment for soil and water contamination from agricultural chemicals, enabling safer management practices. For example, Vance et al. (1987) introduced an extraction method for soil microbial biomass C, cited 12,303 times, which quantifies microbial responses to pesticide applications in soils. Brookes et al. (1985) provided a direct extraction for microbial biomass nitrogen, cited 5,581 times, supporting evaluations of nitrogen release after biocide treatments as explored by Jenkinson and Powlson (1976) with 2,618 citations. These methods underpin ecotoxicology frameworks like adverse outcome pathways in Ankley et al. (2009), cited 2,518 times, aiding regulatory decisions on chemical safety.
Reading Guide
Where to Start
'An extraction method for measuring soil microbial biomass C' by Vance et al. (1987), as it provides a foundational, highly cited (12,303 times) technique for assessing microbial responses central to pesticide impact studies.
Key Papers Explained
Vance et al. (1987) 'An extraction method for measuring soil microbial biomass C' (12,303 citations) builds on Jenkinson and Powlson (1976) 'The effects of biocidal treatments on metabolism in soil—V' (2,618 citations) by quantifying carbon biomass changes from biocides. Brookes et al. (1985) 'Chloroform fumigation and the release of soil nitrogen: A rapid direct extraction method to measure microbial biomass nitrogen in soil' (5,581 citations) extends this to nitrogen, linking to Vance's carbon method. Ankley et al. (2009) 'Adverse outcome pathways: A conceptual framework to support ecotoxicology research and risk assessment' (2,518 citations) integrates these into broader risk frameworks.
Paper Timeline
Most-cited paper highlighted in red. Papers ordered chronologically.
Advanced Directions
No recent preprints or news coverage available; frontiers remain in applying classical methods like those of Vance et al. (1987) and Brookes et al. (1985) to emerging pesticide mixtures, with no updates in the last 6-12 months.
Papers at a Glance
Frequently Asked Questions
What methods measure soil microbial biomass affected by pesticides?
Chloroform fumigation extraction measures soil microbial biomass C, as detailed by Vance et al. (1987) in 'An extraction method for measuring soil microbial biomass C' with 12,303 citations. Brookes et al. (1985) extended this to nitrogen in 'Chloroform fumigation and the release of soil nitrogen: A rapid direct extraction method to measure microbial biomass nitrogen in soil', cited 5,581 times. Jenkinson and Powlson (1976) assessed biocidal impacts on soil metabolism in 'The effects of biocidal treatments on metabolism in soil—V', with 2,618 citations.
How do researchers assess pesticide toxicity in environmental studies?
Sulforhodamine B colorimetric assay screens cytotoxicity, as described by Vichai and Kirtikara (2006) in 'Sulforhodamine B colorimetric assay for cytotoxicity screening', cited 3,568 times. Adverse outcome pathways provide a framework for ecotoxicology risk assessment, outlined by Ankley et al. (2009) in 'Adverse outcome pathways: A conceptual framework to support ecotoxicology research and risk assessment', with 2,518 citations.
What are standard techniques for soil analysis in pesticide studies?
'Soil Chemical Analysis' by Jackson (1958), cited 5,969 times, details chemical methods for soil evaluation. Walkley (1947) examined organic carbon determination in 'A CRITICAL EXAMINATION OF A RAPID METHOD FOR DETERMINING ORGANIC CARBON IN SOILS—EFFECT OF VARIATIONS IN DIGESTION CONDITIONS AND OF INORGANIC SOIL CONSTITUENTS', cited 2,499 times. Watanabe and Olsen (1965) tested phosphorus measurement in 'Test of an Ascorbic Acid Method for Determining Phosphorus in Water and NaHCO3 Extracts from Soil', with 2,422 citations.
What is the scope of pesticide environmental impact research?
The field covers pesticide degradation, groundwater contamination, health effects, risk assessment, and bioremediation, with 67,275 works. It includes soil sorption and toxicity studies linked to keywords like pesticides, herbicides, and pollution.
How many papers exist on pesticide and herbicide environmental studies?
There are 67,275 works in this cluster. Growth over the last 5 years is not specified in the data.
Open Research Questions
- ? How do variations in soil digestion conditions and inorganic constituents affect rapid organic carbon measurements in pesticide-impacted soils?
- ? What are the precise mechanisms of microbial biomass nitrogen release following chloroform fumigation in herbicide-treated soils?
- ? How can adverse outcome pathways be refined to predict long-term ecotoxicological effects of pesticide mixtures?
- ? What factors influence the accuracy of ascorbic acid methods for phosphorus in pesticide-contaminated soil extracts?
- ? How do biocidal treatments differentially impact soil metabolism pathways under varying environmental conditions?
Recent Trends
No recent preprints from the last 6 months or news coverage in the last 12 months available; the field relies on established works like Vance et al. with 12,303 citations and Brookes et al. (1985) with 5,581 citations.
1987Total works stand at 67,275 with no 5-year growth rate specified.
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