Amanda Joy Ashworth
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Soil Scientist
Also affiliated: American Sociological Association (2022); Agricultural Research Service (2016–2026); United States Department of Agriculture (2016–2025); Shenyang Agricultural University (2021); Government of the United States of America (2022–2024); Dale Bumpers Small Farms Research Center (2016–2021); University of Tennessee at Knoxville (2013–2016); University of Missouri (2023)
Research Areas
Biomedical Subjects
Links
Biography and Research Information
OverviewAI-generated summary
Amanda Joy Ashworth's research focuses on soil science, with a particular emphasis on soil health indicators, nutrient dynamics, and the impact of agricultural practices on soil microbial communities. Her work has investigated carbon indicators of soil health in long-term agricultural experiments and explored how cropping sequences and poultry litter influence microbial community structure under no-tillage conditions. Ashworth has also examined methods for evaluating aggregate stability as a measure of soil health and has studied the carbon-sensitive pedotransfer functions for plant available water.
Her research extends to the characteristics of poultry manure and litter, as well as a review of antibiotic resistance in U.S. broiler poultry systems and historical antibiotic resistance of foodborne Campylobacter. Ashworth has also conducted research on the characterization of biochar from switchgrass carbonization. She is a highly cited researcher with an h-index of 35 and has authored over 200 publications. She has received federal funding from the NSF for a collaborative research project on marine epizoic diatoms. Ashworth leads a research group at the University of Arkansas at Fayetteville and collaborates with several colleagues, including P. Moore, D. Philipp, Kelsey L.H. Greub, and Helen C. S. Amorim.
Metrics
- h-index: 35
- Publications: 208
- Citations: 3,909
Positions
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Soil Scientist 2016–presentUSDA-ARS ORCID
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Soil Scientist publications 2008–2026University of Arkansas at Fayetteville ORCID
Selected Publications
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Recycling waste via insect agriculture: Frass impacts on soil and plant health (2025)
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Conservation management effects on soil and agronomic properties in a furrow‐irrigated corn system in east‐central Arkansas (2025)
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Knowledge graph applications for identifying resilient forage systems (2025)
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Interpreting the spatial distribution of soil properties with a physically-based distributed hydrological model (2024)
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Agronomic and economic productivity of summer annual forage systems under different poultry litter application methods (2024)
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Nutrient transformations based on sampling scheme and cropping system following subsurface‐banded poultry litter (2024)
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Framework to develop an open‐source forage data network to improve primary productivity and enhance system resiliency (2023)
Federal Grants 1 $918,053 total
Collaboration Network
Top Collaborators
- Soil quality indices as affected by long‐term burning, irrigation, tillage, and fertility management
- Grazing Management and Buffer Strip Impact on Nitrogen Runoff from Pastures Fertilized with Poultry Litter
- Long‐term effects of grazing management and buffer strips on phosphorus runoff from pastures fertilized with poultry litter
- Environmental Impact Assessment of Tractor Guidance Systems Based on Pasture Management Scenarios
- Nutrient transformations based on sampling scheme and cropping system following subsurface‐banded poultry litter
Showing 5 of 9 shared publications
- Grazing Management and Buffer Strip Impact on Nitrogen Runoff from Pastures Fertilized with Poultry Litter
- Evaluation of a Novel Poultry Litter Amendment on Greenhouse Gas Emissions
- Long‐term effects of grazing management and buffer strips on phosphorus runoff from pastures fertilized with poultry litter
- Effect of a New Manure Amendment on Ammonia Emissions from Poultry Litter
- Nutrient transformations based on sampling scheme and cropping system following subsurface‐banded poultry litter
- Environmental Impact Assessment of Tractor Guidance Systems Based on Pasture Management Scenarios
- Agronomic and economic productivity of summer annual forage systems under different poultry litter application methods
- Life cycle analysis for the cultivation and combustion of miscanthus for biofuel compared with natural gas
- Evaluation of a Novel Poultry Litter Amendment on Greenhouse Gas Emissions
- Long‐term effects of grazing management and buffer strips on phosphorus runoff from pastures fertilized with poultry litter
- Effect of a New Manure Amendment on Ammonia Emissions from Poultry Litter
- Soil quality indices as affected by long‐term burning, irrigation, tillage, and fertility management
- Nutrient transformations based on sampling scheme and cropping system following subsurface‐banded poultry litter
- Recycling waste via insect agriculture: Frass impacts on soil and plant health
- Soil quality indices as affected by long‐term burning, irrigation, tillage, and fertility management
- Conservation management effects on soil and agronomic properties in a furrow‐irrigated corn system in east‐central Arkansas
- Relationships Among Apparent Electrical Conductivity and Plant and Terrain Data in an Agroforestry System in the Ozark Highlands
- Grazing Management and Buffer Strip Impact on Nitrogen Runoff from Pastures Fertilized with Poultry Litter
- Long‐term effects of grazing management and buffer strips on phosphorus runoff from pastures fertilized with poultry litter
- Grazing Management and Buffer Strip Impact on Nitrogen Runoff from Pastures Fertilized with Poultry Litter
- Long‐term effects of grazing management and buffer strips on phosphorus runoff from pastures fertilized with poultry litter
- Grazing Management and Buffer Strip Impact on Nitrogen Runoff from Pastures Fertilized with Poultry Litter
- Long‐term effects of grazing management and buffer strips on phosphorus runoff from pastures fertilized with poultry litter
- Grazing Management and Buffer Strip Impact on Nitrogen Runoff from Pastures Fertilized with Poultry Litter
- Long‐term effects of grazing management and buffer strips on phosphorus runoff from pastures fertilized with poultry litter
- Grazing Management and Buffer Strip Impact on Nitrogen Runoff from Pastures Fertilized with Poultry Litter
- Long‐term effects of grazing management and buffer strips on phosphorus runoff from pastures fertilized with poultry litter
- Evaluation of a Novel Poultry Litter Amendment on Greenhouse Gas Emissions
- Effect of a New Manure Amendment on Ammonia Emissions from Poultry Litter
- Soil quality indices as affected by long‐term burning, irrigation, tillage, and fertility management
- Interpreting the spatial distribution of soil properties with a physically-based distributed hydrological model
- Evaluation of five C<sub>4</sub> forage grasses in the tall Fescue Belt
- Wheat cover crop and seed treatment for improving native warm‐season grass establishment
- Framework to develop an open‐source forage data network to improve primary productivity and enhance system resiliency
- Knowledge graph applications for identifying resilient forage systems
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