Research Project: Quantifying Air and Water Quality Benefits of Improved Poultry Manure Management Practices

Location: Poultry Production and Product Safety Research

Publications (Clicking on the reprint icon will take you to the publication reprint.)

An evaluation of carbon indicators of soil health in long-term agricultural experiments - (Peer Reviewed Journal)
Liptzin, D., Norris, C.E., Cappellazzi, S.B., Bean, G.M., Cope, M., Greub, K.L., Rieke, E.L., Tracy, P.W., Aberle, E., Ashworth, A.J., Baumhardt, R.L., Dell, C.J., Derner, J.D., Ducey, T.F., Novak, J.M., Dungan, R.S., Fortuna, A., Kautz, M.A., Kitchen, N.R., Leytem, A.B., Liebig, M.A., Moore Jr., P.A., Osborne, S.L., Owens, P.R., Sainju, U.M., Sherrod, L.A., Watts, D.B. 2022. An evaluation of carbon indicators of soil health in long-term agricultural experiments. Soil Biology and Biochemistry. 172. Article 108708. https://doi.org/10.1016/j.soilbio.2022.108708.

Evaluation of a threonine fermentation product as a digestible threonine source in broilers - (Peer Reviewed Journal)
Lee, T., Lee, J., Ashworth, A.J., Kidd, M.T., Mauromoustakos, A., Rochell, S. 2022. Evaluation of a threonine fermentation product as a digestible threonine source in broilers. Journal of Applied Poultry Research. 31. Article 100252. https://doi.org/10.1016/j.japr.2022.100252.

Relationships between land use and stream chemistry in the Mulberry River Basin, Arkansas - (Peer Reviewed Journal)
Burgess-Conforti, J.R., Moore Jr, P.A., Owens, P.R., Miller, D.M., Ashworth, A.J., Hayes, P.D., Evans-White, M.A., Anderson, K.R. 2022. Relationships between land use and stream chemistry in the Mulberry River Basin, Arkansas. River Research and Applications. 38(6):1031-1040. https://doi.org/10.1002/rra.3970.

Soil organic carbon and nutrients affected by tree species and poultry litter in a 17-year agroforestry site - (Peer Reviewed Journal)
Amorim, H., Ashworth, A.J., Zinn, Y.L., Sauer, T.J. 2022. Soil organic carbon and nutrients affected by tree species and poultry litter in a 17-year agroforestry site. Agronomy Journal. 12(3). Article 641. https://doi.org/10.3390/agronomy12030641.

Subsurface banding poultry litter influences edamame yield, forage quality, and leaf greenness - (Peer Reviewed Journal)
Ashworth, A.J., Nieman, C.C., Adams, T.C., Franco Jr, J.G., Owens, P.R. 2022. Subsurface banding poultry litter influences edamame yield, forage quality, and leaf greenness. Agronomy Journal. 114(3):1833-1841. 10.1002/agj2.21048.

Linking soil microbial community structure to potential carbon mineralization: A continental scale assessment of reduced tillage - (Peer Reviewed Journal)
Reike, E., Cappellazzi, S.B., Cope, M., Liptzin, D., Bean, G.M., Greub, K.L., Norris, C.E., Tracy, P.W., Aberle, E., Ashworth, A.J., Baumhardt, R.L., Dell, C.J., Derner, J.D., Ducey, T.F., Fortuna, A., Kautz, M.A., Kitchen, N.R., Moore Jr., P.A., Osborne, S.L., Owens, P.R., Sainju, U.M., Sherrod, L.A., Watts, D.B., et al. 2022. Linking soil microbial community structure to potential carbon mineralization: A continental scale assessment of reduced tillage. Soil Biology and Biochemistry. 168. Article 108618. https://doi.org/10.1016/j.soilbio.2022.108618.

Carbon-sensitive pedotransfer functions for plant available water - (Peer Reviewed Journal)
Bagnall, D.K., Morgan, C., Cope, M., Bean, G.M., Cappellazzi, S., Greub, K., Liptzin, D., Norris, C.E., Rieke, E.L., Tracy, P.W., Ashworth, A.J., Baumhardt, R.L., Dell, C.J., Derner, J.D., Ducey, T.F., Fortuna, A., Kautz, M.A., Kitchen, N.R., Moore Jr., P.A., Osborne, S.L., Owens, P.R., Sainju, U.M., Sherrod, L.A., Watts, D.B., et al. 2022. Carbon-sensitive pedotransfer functions for plant available water. Soil Science Society of America Journal. 86(3):612-629. https://doi.org/10.1002/saj2.20395.

Spatial monitoring technologies for coupling the soil plant water animal nexus - (Peer Reviewed Journal)
Ashworth, A.J., Kharel, T.P., Adams, T.C., Sauer, T.J., Philipp, D., Thomas, A., Owens, P.R. 2022. Spatial monitoring technologies for coupling the soil plant water animal nexus. Scientific Reports. 12. Article 3508. https://doi.org/10.1038/s41598-022-07366-2.

Long-term conservation agriculture effects on corn profitability in West Tennessee - (Peer Reviewed Journal)
Zhou, X., Larson, J., Sykes, V., Ashworth, A.J., Allen, F.L. 2022. Long-term conservation agriculture effects on corn profitability in West Tennessee. Crop Science. 62:1348-1359. https://doi.org/10.1002/csc2.20727.

Wheat cover crop and seed treatment for improving native warm-season grass establishment - (Peer Reviewed Journal)
Keyser, P., Ashworth, A.J. 2022. Wheat cover crop and seed treatment for improving native warm-season grass establishment. Crop, Forage & Turfgrass Management. 8(1). Article e20147. https://doi.org/10.1002/cft2.20147.

Preferential flow under high-intensity short-duration irrigation events in soil columns from a karst and nonkarst landscape - (Peer Reviewed Journal)
Katuwal, S., Ashworth, A.J., Owens, P.R. 2021. Preferential flow under high-intensity short-duration irrigation events in soil columns from a karst and nonkarst landscape. Vadose Zone Journal. 20(6). Article e20160. https://doi.org/10.1002/vzj2.20160.

Economic and GHG emissions changes of aeration and gypsum application - (Peer Reviewed Journal)
Popp, M., Lindsay, K., Ashworth, A.J., Moore Jr, P.A., Owens, P.R., Adams, T.C., Welch, M., Roark, B., Pote, D., Pennington, J. 2021. Economic and GHG emissions changes of aeration and gypsum application. Agriculture Ecosystems and the Environment. 321. Article 107616. https://doi.org/10.1016/j.agee.2021.107616.

Post-digestate composting shifts microbial composition and degrades antimicrobial resistance genes - (Peer Reviewed Journal)
Gurmessa, B., Milanovi, V., Pedretti, E.F., Aquilanti, L., Corti, G., Cocco, S., Ashworth, A.J., Ferrocino, I., Corvaglia, M.R. 2021. Post-digestate composting shifts microbial composition and degrades antimicrobial resistance genes. Bioresource Technology. 340. Article 125662. https://doi.org/10.1016/j.biortech.2021.125662.

Post-digestate composting benefits and the role of enzyme activity to predict trace element immobilization and compost maturity - (Peer Reviewed Journal)
Gurmessa, B., Cocco, S., Ashworth, A.J., Pedretti, E.F., Illari, A., Cardelli, V., Fornasier, F., Ruello, M.L., Cort, G. 2021. Post-digestate composting benefits and the role of enzyme activity to predict trace element immobilization and compost maturity. Bioresource Technology. 338. Article 125550. https://doi.org/10.1016/j.biortech.2021.125550.

Soil quality assessment of an agroforestry system following long-term management in the Ozark Highlands - (Peer Reviewed Journal)
Yiagan, S., Amorim, A.J., Ashworth, A.J., Sauer, T.J., Wienhold, B.J., Owens, P.R., Brye, K. 2021. Soil quality assessment of an agroforestry system following long-term management in the Ozark Highlands. Agrosystems, Geosciences & Environment. 4(3). Article e20194. https://doi.org/10.1002/agg2.20194.

Root decomposition in silvopastures is influenced by grazing, fertility, and grass species - (Peer Reviewed Journal)
Ashworth, A.J., Adams, T., Kharel, T.P., Philipp, D., Owens, P.R., Sauer, T.J. 2021. Root decomposition in silvopastures is influenced by grazing, fertility, and grass species. Agrosystems, Geosciences & Environment. 4(3). Article e20190. https://doi.org/10.1002/agg2.20190.

Mapping soil properties to advance the state of spatial soil information for greater food security on US Tribal Lands - (Peer Reviewed Journal)
Fuentes, B., Ashworth, A.J., Ngunjiri, M., Owens, P.R. 2021. Mapping soil properties to advance the state of spatial soil information for greater food security on US Tribal Lands. Frontiers in Soil Science. 1. Artcle 695386. https://doi.org/10.3389/fsoil.2021.695386.

Pasture conservation management effects on soil surface infiltration in hay and grazed systems - (Peer Reviewed Journal)
Adams, T.C., Ashworth, A.J., Owens, P.R., Moore Jr, P.A., Popp, M., Pennington, J. 2021. Pasture conservation management effects on soil surface infiltration in hay and grazed systems. Journal of Soil and Water Conservation. 77(1):59-66. https://doi.org/10.2489/jswc.2022.00182.

Using a browntop millet companion crop to aid native grass establishment - (Peer Reviewed Journal)
Richwine, J., Keyser, P., Hancock, D., Ashworth, A.J. 2021. Using a browntop millet companion crop to aid native grass establishment. Agronomy Journal. 113:3210-3221. https://doi.org/10.1002/agj2.20739.

Soil CO2 evolution is driven by forage species, soil moisture, grazing pressure, poultry litter fertilization, and seasonality in silvopastures - (Peer Reviewed Journal)
Adams, T.C., Ashworth, A.J., Sauer, T.J. 2021. Soil CO2 evolution is driven by forage species, soil moisture, grazing pressure, poultry litter fertilization, and seasonality in silvopastures. Agrosystems, Geosciences & Environment. 4(2). Article e20179. https://doi.org/10.1002/agg2.20179.

Evaluation of a novel poultry litter amendment on greenhouse gas emissions - (Peer Reviewed Journal)
Anderson, K.R., Moore Jr., P.A., Martin, J.W., Ashworth, A.J. 2021. Evaluation of a novel poultry litter amendment on greenhouse gas emissions. Atmosphere. 12(5). Article 563. https://doi.org/10.3390/atmos12050563.

Simulating the feasibility of dual use switchgrass on cow-calf operations - (Peer Reviewed Journal)
Popp, M., West, C., Ashworth, A.J. 2021. Simulating the feasibility of dual use switchgrass on cow-calf operations. Energies. 14(9):2422. https://doi.org/10.3390/en14092422.

Do long-term conservation pasture management practices influence microbial diversity and antimicrobial resistant genes in runoff - (Peer Reviewed Journal)
Yang, Y., Ashworth, A.J., Durso, L.M., Savin, M., Debruyan, J., Cook, K.L., Moore Jr., P.A., Owens, P.R. 2021. Do long-term conservation pasture management practices influence microbial diversity and antimicrobial resistant genes in runoff. Frontiers in Microbiology. 12. Article 617066. https://doi.org/10.3389/fmicb.2021.617066.

Crop rotation, cover crop, and poultry litter effects on no-tillage cotton profitability - (Peer Reviewed Journal)
Zhou, X., Larson, J., Sykes, V., Ashworth, A.J., Allen, F.L. 2021. Crop rotation, cover crop, and poultry litter effects on no-tillage cotton profitability. Agronomy Journal. 113:2648–2663. https://doi.org/10.1002/agj2.20661.

Variations in bacterial community structure and antimicrobial resistance genes abundance in cattle manure and poultry litter - (Peer Reviewed Journal)
Gurmessa, B., Ashworth, A.J., Yang, Y., Savin, M., Moore Jr, P.A., Ricke, S.C., Corti, G., Foppa Pedretti, E., Cocco, S. 2021. Variations in bacterial community structure and antimicrobial resistance genes abundance in cattle manure and poultry litter. Environmental Research. https://doi.org/10.1016/j.envres.2021.111011.

Soil microbial diversity in organic and non-organic pasture systems - (Peer Reviewed Journal)
Acharya, M., Yang, Y., Ashworth, A.J., Burke, J.M., Lee, J., Sharma Acharya, R. 2021. Soil microbial diversity in organic and non-organic pasture systems. PeerJ. 9. Article e11184. https://doi.org/10.7717/peerj.11184.

Factors affecting sugar accumulation and fluxes in warm- and cool-season forages grown in a silvopastoral system - (Peer Reviewed Journal)
Niyigena, V., Ashworth, A.J., Nieman, C.C., Acharya, M., Coffey, K.P., Phillipp, D., Meadors, L., Sauer, T.J. 2021. Factors affecting sugar accumulation and fluxes in warm- and cool-season forages grown in a silvopastoral system. Agronomy. https://doi.org/10.3390/agronomy11020354.

Conservation management practices reduce non-point source pollution from grazed pastures - (Peer Reviewed Journal)
Ashworth, A.J., Moore Jr, P.A., Pote, D.H., Owens, P.R., Martin, J.W., Anderson, K. 2021. Conservation management practices reduce non-point source pollution from grazed pastures. Heliyon. 7(2). Article e06238. https://doi.org/10.1016/j.heliyon.2021.e06238.

Soil bacterial diversity based on management and topography in a silvopastoral system - (Peer Reviewed Journal)
Gurmessa, B., Ashworth, A.J., Yang, Y., Adhikari, K., Savin, M., Owens, P.R., Sauer, T.J., Pedretti, E.F., Cocco, S., Corti, G. 2021. Soil bacterial diversity based on management and topography in a silvopastoral system. Applied Soil Ecology. 163:103918. https://doi.org/10.1016/J.APSOIL.2021.103918.

Soil quality indices as affected by long-term burning, irrigation, tillage, and fertility management - (Peer Reviewed Journal)
Amorim, H., Ashworth, A.J., Brye, K.R., Wienhold, B.J., Savin, M.C., Owens, P.R., Silva, S. 2021. Soil quality indices as affected by long-term burning, irrigation, tillage, and fertility management. Soil Science Society of America Journal. 85:379-395. https://doi.org/10.1002/saj2.20188.

Antimicrobial resistant gene prevalence in soils due to animal manure deposition and long-term pasture management - (Peer Reviewed Journal)
Yang, Y., Ashworth, A.J., Debruyn, J., Durso, L.M., Savin, M., Cook, K.L., Moore Jr., P.A., Owens, P.R. 2020. Antimicrobial resistant gene prevalence in soils due to animal manure deposition and long-term pasture management. PeerJ. 8:e10258. https://doi.org/10.7717/peerj.10258.

Water-Use efficiency of forage crops in the Southeastern United States - (Peer Reviewed Journal)
Gelley, C.H., Ashworth, A.J., Keyser, P.D., Nave, R., Rhinehart, J. 2020. Water-Use efficiency of forage crops in the Southeastern United States. Agronomy. 10(9):1377. https://doi.org/10.3390/agronomy10091377.

Tractor path overlap is influenced by field shape and terrain attributes - (Peer Reviewed Journal)
Kharel, T.P., Owens, P.R., Ashworth, A.J. 2020. Tractor path overlap is influenced by field shape and terrain attributes. Agricultural & Environmental Letters. 5:e20027. https://doi.org/10.1002/ael2.20027.

Comparison of discriminatory effects of corn yield test locations based on their genetic variation expression among hybrids - (Peer Reviewed Journal)
Ashworth, A.J., Knapp, V., Fred, A., Saxton, A. 2020. Comparison of discriminatory effects of corn yield test locations based on their genetic variation expression among hybrids. Crop Science. 60:3166–3174. https://doi.org/10.1002/csc2.20298.

Long-term effects of pasture management and fenced riparian buffers on soil organic carbon content and aggregation - (Peer Reviewed Journal)
Xu, S., Jagadamma, S., Ashworth, A.J., Singh, S., Owens, P.R., Moore Jr, P.A. 2020. Long-term effects of pasture management and fenced riparian buffers on soil organic carbon content and aggregation. Geoderma. 382. Article 114666. https://doi.org/10.1016/j.geoderma.2020.114666.

Effect of Bacillus–direct-fed microbial on leaky gut, serum peptide YY concentration, bone mineralization, and ammonia excretion in neonatal female turkey poults fed with a rye-based die - (Peer Reviewed Journal)
Tellez, G., Arreguin-Nava, M.A., Maguey, J., Michel, M.A., Latorre, J.D., Hernandez-Velasco, X., Moore Jr, P.A., Hargis, B.M. 2020. Effect of Bacillus–direct-fed microbial on leaky gut, serum peptide YY concentration, bone mineralization, and ammonia excretion in neonatal female turkey poults fed with a rye-based die. Poultry Science. 99:4514–4520. https://doi.org/10.1016/j.psj.2020.06.018.

Soil quality indices following long-term conservation pasture management practices - (Peer Reviewed Journal)
Amorim, H., Ashworth, A.J., Moore Jr, P.A., Wienhold, B.J., Savin, M.C., Owens, P.R., Jagadamma, S., Carvalho, T.S., Sutie, X. 2020. Soil quality indices following long-term conservation pasture management practices. Agriculture, Ecosystems and Environment. 301. Article 107060. https://doi.org/10.1016/j.agee.2020.107060.

Spatially and temporally disparate data in systems agriculture: Issues and prospective solutions - (Peer Reviewed Journal)
Kharel, T.P., Ashworth, A.J., Buser, M.D., Owens, P.R. 2020. Spatially and temporally disparate data in systems agriculture: Issues and prospective solutions. Agronomy Journal. 112:4498-4510. https://doi.org/10.1002/agj2.20285.

Tractor guidance improves production efficiency by reducing overlaps and gaps - (Peer Reviewed Journal)
Kharel, T.P., Ashworth, A.J., Shew, A., Popp, M.P., Owens, P.R. 2020. Tractor guidance improves production efficiency by reducing overlaps and gaps. Agricultural & Environmental Letters. 1(5). Article e20012. https://doi.org/10.1002/ael2.20012.

Effect of a new manure amendment on ammonia emissions from poultry litter - (Peer Reviewed Journal)
Anderson, K., Moore Jr, P.A., Martin, J.W., Ashworth, A.J. 2020. Effect of a new manure amendment on ammonia emissions from poultry litter. Atmosphere. 11(3). Article 257. https://doi.org/10.3390/atmos11030257.

Soil quality indices based on long-term conservation cropping systems management - (Peer Reviewed Journal)
Amorim, H.C., Ashworth, A.J., Wienhold, B.J., Savin, M.C., Allen, F.L., Saxton, A.M., Owens, P.R., Curi, N. 2020. Soil quality indices based on long-term conservation cropping systems management. Agrosystems, Geosciences & Environment. 3(1). Article e20036. https://doi.org/10.1002/agg2.20036.

Effect of seeding distance from subsurface banded poultry litter on corn yield and leaf greenness - (Peer Reviewed Journal)
Ashworth, A.J., Pote, D.H., Way, T.R., Watts, D.B. 2020. Effect of seeding distance from subsurface banded poultry litter on corn yield and leaf greenness. Agronomy Journal. 112:1679-1689. https://doi.org/10.1002/agj2.20186.

Switchgrass nitrogen fertility response and nutrient cycling in a hay system - (Peer Reviewed Journal)
Ashworth, A.J., Moore Jr, P.A., King, R., Douglas, J.L., Pote, D.A., Jacobs, A. 2020. Switchgrass nitrogen fertility response and nutrient cycling in a hay system. Agronomy Journal. 112:1963-1971. https://doi.org/10.1002/agj2.20156.

Soil quality indexes improve following long-term manure deposition and conservation practices - (Abstract Only)

Technology applications for optimizing farm production - (Abstract Only)

Long-Term effects of grazing management and buffer strips on phosphorus runoff from pastures fertilized with poultry litter - (Peer Reviewed Journal)
Kelsey, A.R., Moore Jr, P.A., Pilon, C., Owens, P.R., Ashworth, A.J., Miller, D., Delaune, P. 2020. Long-Term effects of grazing management and buffer strips on phosphorus runoff from pastures fertilized with poultry litter. Journal of Environmental Quality. 49:85-96. https://doi.org/10.1002/jeq2.20010.

Review of antibiotic resistance, ecology, and dissemination and mitigation in U.S. broiler poultry systems - (Literature Review)
Yang, Y., Ashworth, A.J., Cook, K.L., Willett, C., Upadhyay, A., Owens, P.R., Ricke, S.C., DeBruyn, J.M., Moore Jr, P.A. 2019. Review of antibiotic resistance, ecology, and dissemination and mitigation in U.S. broiler poultry systems. Frontiers in Microbiology. 10:2639. https://doi.org/10.3389/fmicb.2019.02639.

Long-term cropping systems management influences soil strength and nutrient cycling - (Peer Reviewed Journal)
Ashworth, A.J., Owens, P.R., Allen, F. 2020. Long-term cropping systems management influences soil strength and nutrient cycling. Geoderma. 361. Article 114062. https://doi.org/10.1016/j.geoderma.2019.114062.

Comparing yield trial locations based on their elicited expressions of genetic variance among soybean cultivars - (Peer Reviewed Journal)
Ashworth, A.J., Knapp, V., Allen, F.L., Saxton, A.M. 2020. Comparing yield trial locations based on their elicited expressions of genetic variance among soybean cultivars. Crop Science. 60:1313–1324. https://doi.org/10.1002/csc2.20066.

Soil bacterial biodiversity is driven by long-term pasture management, poultry litter, and cattle manure inputs - (Peer Reviewed Journal)
Yang, Y., Ashworth, A.J., Debruyn, J.M., Willett, C., Durso, L.M., Cook, K.L., Moore Jr, P.A., Owens, P.R. 2019. Soil bacterial biodiversity is driven by long-term pasture management, poultry litter, and cattle manure inputs. PeerJ. 7:e7839. https://doi.org/10.7717/peerj.7839.

Browse potential of bristly locust, smooth sumac, and sericea lespedeza for small ruminants - (Peer Reviewed Journal)
Acharya, M., Ashworth, A.J., Burner, D., Burke, J.M., Pote, D.H., Muir, J.P. 2019. Browse potential of bristly locust, smooth sumac, and sericea lespedeza for small ruminants. Agroforestry Systems. https://doi.org/10.1007/s10457-019-00479-0.

Soil quality indices based on long-term conservation cropping systems management - (Abstract Only)

Simulating switchgrass biomass productivity using ALMANAC. I. Calibration of soil water - (Peer Reviewed Journal)
Rocateli, A.C., Ashworth, A.J., West, C.P., Brye, K.R., Popp, M.P., Kiniry, J.R. 2020. Simulating switchgrass biomass productivity using ALMANAC. I. Calibration of soil water. Agronomy Journal. 112:183-193. https://doi.org/10.1002/agj2.20054.

Crop rotation and bio-cover impact on no-tillage corn, soybean, and cotton profitability in Tennessee - (Abstract Only)

Switchgrass forage yield and compositional response to phosphorus and potassium - (Peer Reviewed Journal)
Ashworth, A.J., Moore Jr, P.A., King, R., Douglas, J.L., Pote, D.H., Jacobs, A., Pratt, E. 2019. Switchgrass forage yield and compositional response to phosphorus and potassium. Agrosystems, Geosciences & Environment. 2:190010. https://doi.org/10.2134/age2019.02.0010.

Feasibility and concurrent remediation of red mud as an in situ pyrolysis catalyst - (Peer Reviewed Journal)
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 - (Peer Reviewed Journal)
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? - (Peer Reviewed Journal)
Burgess-Conforti, J.R., Moore Jr, P.A., Owens, P.R., Miller, D., Ashworth, A.J., Hays, P.D., Evans-White, M., Anderson, K.R. 2019. Are soils beneath coniferous tree stands more acidic than soils beneath deciduous tree stands? Environmental Science and Pollution Research. 26:14930–14931. https://doi.org/10.1007/s11356-019-04883-y.

Nutrient characteristics of poultry manure and litter - (Monograph)
Ashworth, A.J., Chastain, J.P., Moore Jr, P.A. 2020. Nutrient characteristics of poultry manure and litter. Soil Science Society of America Journal. 67-87. https://doi.org/10.2134/asaspecpub67.c5.

Global meta-analysis of cotton yield and weed suppression from cover crops - (Peer Reviewed Journal)
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 - (Peer Reviewed Journal)
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.

Developing best management strategies for reducing soluble phosphorus losses from poultry litter in grazing systems - (Abstract Only)

Long-term study on the effects of buffer strips and grazing management on phosphorus runoff from pastures fertilized with poultry litter - (Abstract Only)

Growth rate of Giant Miscanthus (Miscanthus x giganteus) and Giant Reed (Arundo donax) in a low-input system in Arkansas, USA - (Peer Reviewed Journal)
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 - (Peer Reviewed Journal)
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 - (Peer Reviewed Journal)
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 - (Peer Reviewed Journal)
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 - (Peer Reviewed Journal)
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 - (Peer Reviewed Journal)
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.

Crop rotations and poultry litter affect dynamic soil chemical properties and soil biota long-term - (Peer Reviewed Journal)
Ashworth, A.J., Allen, F.L., Owens, P.R., Debruyn, J.M., Sams, C. 2018. Crop rotations and poultry litter affect dynamic soil chemical properties and soil biota long-term. Journal of Environmental Quality. 47(6):1327-1338. https://doi.org/10.2134/jeq2017.12.0465.

Effect of humic acids on intestinal viscosity, leaky gut and ammonia excretion in a 24 h feed restriction model to induce intestinal permeability in broiler chickens - (Peer Reviewed Journal)
Maguey, J., Michel, M.A., Baxter, M., Tellex, Jr, G., Moore Jr, P.A., Solis-Cruz, B., Hernandez-Patlan, D., Merino-Guzman, R. 2018. Effect of humic acids on intestinal viscosity, leaky gut and ammonia excretion in a 24 h feed restriction model to induce intestinal permeability in broiler chickens. Animal Science Journal. 89:1002-1010. https://doi.org/10.1111/asj.13011.

Phosphorus leaching from soil cores from a twenty-year study evaluating alum treatment of poultry litter - (Peer Reviewed Journal)
Anderson, K.R., Moore Jr, P.A., Miller, D.M., DeLaune, P.B., Edwards, D.R., Kleinman, P.J., Cade-Menun, B.J., Miles, D.M. 2018. Phosphorus leaching from soil cores from a twenty-year study evaluating alum treatment of poultry litter. Journal of Environmental Quality. 47:530-537.

Long-term effects of alum-treated litter, untreated litter and NH4NO3 application on phosphorus speciation, distribution and reactivity in soils using K-edge XANES and chemical fractionation - (Peer Reviewed Journal)
Abdala, D.B., Moore Jr, P.A., Rodrigues, M., Herrera, W., Pavinato, P.S. 2018. Long-term effects of alum-treated litter, untreated litter and NH4NO3 application on phosphorus speciation, distribution and reactivity in soils using K-edge XANES and chemical fractionation. Journal of Environmental Management. 213:201-216.

Effects of land-applied ammonia scrubber solutions on yield, nitrogen uptake, soil test phosphorus and phosphorus runoff - (Peer Reviewed Journal)
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.

Predicted harvest time effects on switchgrass moisture content, nutrient concentration, yield, and profitability - (Peer Reviewed Journal)
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.

Switchgrass cultivar, yield, and nutrient removal responses to harvest timing - (Peer Reviewed Journal)
Ashworth, A.J., Allen, F.L., Bacon, J.L., Sams, C.E., Tyler, D.D., Grant, J.F., Moore Jr, P.A., Pote, D.H. 2017. Switchgrass cultivar, yield, and nutrient removal responses to harvest timing. Agronomy Journal. 109(6):2598-2605. Available: https://dl.sciencesocieties.org/publications/aj/articles/109/6/2598.

Microbial community structure is affected by cropping sequences and poultry litter under long-term no-tillage - (Peer Reviewed Journal)
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.

Diverse rotations and poultry litter improves soybean yield - (Popular Publication)
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.

Inexpensive alternatives to alum for reducing ammonia emissions and phosphorus runoff from manure - (Abstract Only)

Switchgrass growth and effects on biomass accumulation, moisture content, and nutrient removal - (Peer Reviewed Journal)
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.

Effects of grazing management and buffer strips on metal runoff from pastures fertilized with poultry litter - (Peer Reviewed Journal)
Pilon, C., Moore Jr, P.A., Pote, D.H., Martin, J.W., Delaune, P.B. 2017. Effects of grazing management and buffer strips on metal runoff from pastures fertilized with poultry litter. Journal of Environmental Quality. 46(2):402-410.

Impact of crop rotation and soil amendments on long-term no-tilled soybean yields - (Peer Reviewed Journal)
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.

Fertilizer value of nitrogen captured using ammonia scrubbers attached to animal production facilities - (Abstract Only)

Effects of buffer strips and grazing management on soil loss from pastures - (Abstract Only)

Long-term effects of grazing management and buffer strips on soil erosion from pastures - (Peer Reviewed Journal)
Pilon, C., Moore Jr, P.A., Pote, D.H., Pennington, J.H., Martin, J.W., Brauer, D.K., Raper, R.L., Dabney, S.M., Lee, J. 2017. Long-term effects of grazing management and buffer strips on soil erosion from pastures. Journal of Environmental Quality. 46(2):364-372. doi:10.2134/jeq2016.09.0378.