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ARS Home » Southeast Area » Fayetteville, Arkansas » Poultry Production and Product Safety Research » People & Locations » Amanda Ashworth

Amanda J Ashworth
Poultry Production and Product Safety Research
Soil Scientist

Phone: (479) 575-6196
Fax:

UNIVERSITY OF ARKANSAS
O-303 POULTRY SCIENCE CTR
FAYETTEVILLE , AR 72701
Projects
Nutrient Management Options for Specialty Crop Production for New Veteran Farmers
Cooperative Agreement (A)
  Accession Number: 436243
Novel Nutrient Management for Organic Edamame and Sweet Corn Production for New Veteran Farmers
Cooperative Agreement (A)
  Accession Number: 436259
Quantifying Air and Water Quality Benefits of Improved Poultry Manure Management Practices
In-House Appropriated (D)
  Accession Number: 431658
Novel Nutrient Management Options for Organic Edamame and Sweet Corn Production for New Veteran Farmers
Reimbursable Cooperative Agreement (R)
  Accession Number: 434622
Conservation Pasture Management on Antimicrobial Resistance Bacteria in Water and Soil Systems: Longitudinal Analysis Over 13 Years
Non-Assistance Cooperative Agreement (S)
  Accession Number: 433141
Plant-Soil-Water Nexus: Agricultural Systems Research on Tribal Lands
Non-Assistance Cooperative Agreement (S)
  Accession Number: 436197
Plant-Soil-Water Nexus: Agricultural Systems Research on Tribal Lands
Trust Fund Cooperative Agreement (T)
  Accession Number: 435714

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Feasibility and concurrent remediation of red mud as an in situ pyrolysis catalyst -
Lepore, A., Ashworth, A.J., Pyoungchung, K., Labbe, N., Connatser, R.M., Allen, F.L. 2019. Feasibility and concurrent remediation of red mud as an in situ pyrolysis catalyst. BioResources. 14(2):4696-4707.
White (Trifolium repens L.) and arrowleaf (Trifolium vesiculosum Savi) clover emergence in varying loblolly pine (Pinus taeda L.) tree alley spacings -
Adams, T., Philipp, D., Burner, D.M., Jennings, J., McPeake, B., Ashworth, A.J., Pote, D.H., Burke, J.M., Rhein, R. 2019. White (Trifolium repens L.) and arrowleaf (Trifolium vesiculosum Savi) clover emergence in varying loblolly pine (Pinus taeda L.) tree alley spacings. American Journal of Plant Sciences. 10:659-669. https://doi.org/10.4236/ajps.2019.104048.
Are soils beneath coniferous tree stands more acidic than soils beneath deciduous tree stands? -
Spatial distribution of soil phosphorus, calcium, and pH following long-term broiler litter application -
Jiang, Y., Sun, Z., Owens, P.R., Adhikari, K., Wang, Q., Dorantes, M., Read, J.J., Ashworth, A.J., Libohova, Z. 2019. Spatial distribution of soil phosphorus, calcium, and pH following long-term broiler litter application. Journal of Environmental Quality. https://doi.org/10.2134/jeq2018.11.0406.
Global meta-analysis of cotton yield and weed suppression from cover crops -
Toler, H.D., Auge, R.M., Benelli, V., Allen, F.L., Ashworth, A.J. 2019. Global meta-analysis of cotton yield and weed suppression from cover crops. Crop Science. 59:1-13.
Spatial soil nutrient-plant-herbivore linkages: A case study from two poultry litter amended pastures in Northwest Arkansas -
Braden, I.S., West, C.P., Ashworth, A.J. 2019. Spatial soil nutrient-plant-herbivore linkages: A case study from two poultry litter amended pastures in Northwest Arkansas. Agrosystems, Geosciences & Environment. 2:180036. https://doi.org/10.2134/age2018.09.0039.
Growth rate of Giant Miscanthus (Miscanthus x giganteus) and Giant Reed (Arundo donax) in a low-input system in Arkansas, USA -
Acharya, M., Burner, D.M., Ashworth, A.J., Felix, F., Adams, T. 2018. Growth rate of Giant Miscanthus (Miscanthus x giganteus) and Giant Reed (Arundo donax) in a low-input system in Arkansas, USA. American Journal of Plant Sciences. 9:2371-2384. https://doi.org/10.4236/ajps.2018.912172.
Economic and environmental impact assessment of tractor guidance technology -
Ashworth, A.J., Lindsay, K.R., Popp, M.P., Owens, P.R. 2018. Economic and environmental impact assessment of tractor guidance technology. Agricultural and Environmental Letters. 3:1-5. Available: https://dl.sciencesocieties.org/publications/ael/pdfs/3/1/180038.
A decision - Support system for analyzing tractor guidance technology -
Lindsay, K.R., Popp, M.P., Ashworth, A.J., Owens, P.R. 2018. A decision - Support system for analyzing tractor guidance technology. Computers and Electronics in Agriculture. 153:115-125. https://doi.org/10.1016/j.compag.2018.08.014.
Global meta-analysis reveals agro-grassland productivity varies based on species diversity over time -
Ashworth, A.J., Toler, H.D., Allen, F.L., Auge, R.M. 2018. Global meta-analysis reveals agro-grassland productivity varies based on species diversity over time. PLoS One. 13(7):e0200274. https://doi.org/10.1371/journal.pone.0200274.
Grazing management and buffer strip impact on nitrogen runoff from pastures fertilized with poultry litter -
Pilon, C., Moore Jr, P.A., Pote, D.H., Martin, J.W., Owens, P.R., Ashworth, A.J., Miller, D.M., Delaune, P.B. 2018. Grazing management and buffer strip impact on nitrogen runoff from pastures fertilized with poultry litter. Journal of Environmental Quality. Available: https://dl.sciencesocieties.org/publications/jeq/abstracts/0/0/jeq2018.04.0159.
Fertilizer recommendations for switchgrass: Quantifying economic effects on quality and yield -
Popp, M.P., Ashworth, A.J., Moore Jr, P.A., Owens, P.R., Douglas, J.L., Pote, D.H., Jacobs, A., Lindsay, K. 2018. Fertilizer recommendations for switchgrass: Quantifying economic effects on quality and yield. Agronomy Journal. 110(5):1854-1861. https://doi.org/10.2134/agronj2018.04.0273.
Topographic controls on soil nutrient variations in a Silvopasture system -
Adhikari, K., Owens, P.R., Ashworth, A.J., Sauer, T.J., Libohova, Z., Richter, J., Miller, D.M. 2018. Topographic controls on soil nutrient variations in a Silvopasture system. Agrosystems, Geosciences & Environment. https://doi.org/10.2134/age2018.04.0008.
Geostatistical mapping of metal elements distribution across conterminous USA -
Crop rotations and poultry litter impact dynamic soil chemical properties and soil biota long-term -
Ashworth, A.J., Allen, F.L., Owens, P.R., Debruyn, J.M., Sams, C. 2018. Crop rotations and poultry litter impact dynamic soil chemical properties and soil biota long-term. Journal of Environmental Quality. Available: https://dl.sciencesocieties.org/publications/jeq/pdfs/0/0/jeq2017.12.0465.
Decision support for economic and environmental impact of tractor guidance on small crop and livestock farms -
A pattern recognition approach combined with Fuzzy Logic for predicting soil properties and function. International Commission of Agricultural and Biosystems -
Effects of land-applied ammonia scrubber solutions on yield, nitrogen uptake, soil test phosphorus and phosphorus runoff -
Martin, J.W., Moore Jr, P.A., Hong, L., Ashworth, A.J., Miles, D.M. 2018. Effects of land-applied ammonia scrubber solutions on yield, nitrogen uptake, soil test phosphorus and phosphorus runoff. Journal of Environmental Quality. 47(2):263-269.
Long-term above-ground biomass production in a red oak-pecan agroforestry system -
Dold, C., Thomas, A., Sauer, T.J., Ashworth, A.J., Philipp, D. 2017. Long-term above-ground biomass production in a red oak-pecan agroforestry system. In: Proceedings of 15th Annual North American Agroforestry Conference June 27-29, 2017, Blacksburg, VA.
Using Google SketchUp to simulate tree row azimuth effects on alley shading -
Burner, D.M., Ashworth, A.J., Laughlin, K.F., Boyer, M.E. 2017. Using Google SketchUp to simulate tree row azimuth effects on alley shading. Agronomy Journal. 110:1-6.
Predicted harvest time effects on switchgrass moisture content, nutrient concentration, yield, and profitability -
Lindsay, K.R., Popp, M.P., West, C.P., Ashworth, A.J., Rocateli, A.C., Farris, R., Kakani, G., Fritschi, F.B., Green, S.V., Alison, M.W., Mawg, M.J., Acosta-Gamboai, L. 2017. Predicted harvest time effects on switchgrass moisture content, nutrient concentration, yield, and profitability. Biomass and Bioenergy. 108:74-89. https://doi.org/10.1016/j.biombioe.2017.09.017.
Ratoon Cold Tolerance of Pennisetum, Erianthus and Saccharum Bioenergy Feedstocks -
Burner, D.M., Hale, A.L., Viator, R.P., Belesky, D.P., Houx III, J.H., Ashworth, A.J., Fritschi, F.B. 2017. Ratoon Cold Tolerance of Pennisetum, Erianthus and Saccharum Bioenergy Feedstocks. Industrial Crops and Products. 109C(2017)327-334.http://dx.doi.org/10.1016/j.indcrop.2017.08.020.
Microbial community structure is affected by cropping sequences and poultry litter under long-term no-tillage -
Ashworth, A.J., DeBruyn, J.M., Allen, F.L., Radosevick, M., Owens, P.R. 2017. Microbial community structure is affected by cropping sequences and poultry litter under long-term no-tillage. Soil Biology and Biochemistry. 114:210-219.
N2 fixation of common and hairy vetches when intercropped into switchgrass -
Ashworth, A.J., Allen, F.L., Warwick, K.S., Keyser, P.D., Bates, G.E., Tyler, D.D., Lambdin, P.L., Pote, D.H. 2017. N2 fixation of common and hairy vetches when intercropped into switchgrass. Agronomy Journal. 7(2):39. doi:10.3390/agronomy7020039.
Diverse rotations and poultry litter improves soybean yield -
Ashworth, A.J., Allen, F.L., Saxton, A.M., Tyler, D.D. 2017. Diverse rotations and poultry litter improves soybean yield. CSA News. 62:14-14.doi:10.2134/csa2017.62.0606.
Switchgrass growth and effects on biomass accumulation, moisture content, and nutrient removal -
Ashworth, A.J., Rocateli, A.C., West, C.P., Brye, K., Popp, M.P. 2017. Switchgrass growth and effects on biomass accumulation, moisture content, and nutrient removal. Agronomy Journal. 109:1-9.
Dual-Use Bioenergy-Livestock Feed Potential of Giant Miscanthus, Giant Reed, and Miscane -
Burner, D.M., Ashworth, A.J., Pote, D.H., Kiniry, J.R., Belesky, D.P., Houx, J.H., Carver, P., Fritschi, F.B. 2017. Dual-use bioenergy-livestock feed potential of giant miscanthus, giant reed, and miscane. Agricultural Sciences. 8:97-112.
Impact of crop rotation and soil amendments on long-term no-tilled soybean yields -
Ashworth, A.J., Allen, F., Saxton, A.N., Tyler, D. 2017. Impact of crop rotation and soil amendments on long-term no-tilled soybean yields. Agronomy Journal. 109(3):1-9.
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