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ARS Home » Midwest Area » Ames, Iowa » National Laboratory for Agriculture and The Environment » Agroecosystems Management Research » People & Locations » Peter O'Brien

Peter O'Brien
Agroecosystems Management Research
Research Agronomist

Phone: (515) 294-8873
Fax:

1015 N. University Ave
AMES, IA 50011
Projects
Sustainable and Resilient Cropping Systems for Midwestern Landscapes
In-House Appropriated (D)
  Accession Number: 434395

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Short-term effects of nitrogen source on soil properties and plant growth Reprint Icon - (Peer Reviewed Journal)
Wacha, K.M., Hatfield, J.L., O'Brien, P.L., Dold, C. 2021. Short-term effects of nitrogen source on soil properties and plant growth. Agrosystems, Geosciences & Environment. 4(2). Article e20176. https://doi.org/10.1002/agg2.20176.
Agronomic approach to understanding climate change and food security Reprint Icon - (Peer Reviewed Journal)
O'Brien, P.L., Kral-O'Brien, K.C., Hatfield, J.L. 2021. Agronomic approach to understanding climate change and food security. Agronomy Journal. https://doi.org/10.1002/agj2.20693.
Quantifying the time-specific kinetic energy of simulated rainfall using a dynamic rain gauge system Reprint Icon - (Peer Reviewed Journal)
Wacha, K.M., Huang, C., O'Brien, P.L., Papanicolaou, T.N., Hatfield, J.L. 2021. Quantifying the time-specific kinetic energy of simulated rainfall using a dynamic rain gauge system. Agricultural & Environmental Letters. 6(1). Article e20042. https://doi.org/10.1002/ael2.20042.
Climate fluctuations and soil hydrology ()
Meta-analysis: Higher plant richness supports higher pollinator richness across many land use types Reprint Icon - (Peer Reviewed Journal)
Kral-O'Brien, K.C., O'Brien, P.L., Hovick, T.J., Harmon, J.P. 2021. Meta-analysis: Higher plant richness supports higher pollinator richness across many land use types. Annals of the Entomological Society of America. 114(2):267-275. https://doi.org/10.1093/aesa/saaa061.
Plant-to-plant biomass and yield variability in corn–soybean rotations under three tillage regimes Reprint Icon - (Peer Reviewed Journal)
O'Brien, P.L., Hatfield, J.L. 2021. Plant-to-plant biomass and yield variability in corn–soybean rotations under three tillage regimes. Agronomy Journal. 113(1):370-380. https://doi.org/10.1002/agj2.20514.
Integrating rangeland health and stream stability in assessments of rangeland watersheds Reprint Icon - (Peer Reviewed Journal)
Meehan, M.A., O'Brien, P.L., Hecker, G.A., Printz, J.L. 2021. Integrating rangeland health and stream stability in assessments of rangeland watersheds. Rangeland Ecology and Management. 75:104-111. https://doi.org/10.1016/j.rama.2020.12.005.
Soil health impacts on water and nutrient use efficiency ()
Corn stover harvest reduces soil CO2 fluxes but increases overall C losses Reprint Icon - (Peer Reviewed Journal)
O'Brien, P.L., Sauer, T.J., Archontoulis, S., Karlen, D.L., Laird, D. 2020. Corn stover harvest reduces soil CO2 fluxes but increases overall C losses. Global Change Biology Bioenergy. 12(11):894-909. https://doi.org/10.1111/gcbb.12742.
Influences of soil amendments on alfalfa production and soil properties Reprint Icon - (Peer Reviewed Journal)
DeSutter, T.M., Breker, M., Chatterjee, A., O'Brien, P.L., Wick, A. 2020. Influences of soil amendments on alfalfa production and soil properties. Forage and Grazinglands. 6:e20043. https://doi.org/10.1002/cft2.20043.
Phosphorus sorption and desorption in soils treated by thermal desorption Reprint Icon - (Peer Reviewed Journal)
Croat, S.J., DeSutter, T.M., Casey, F.X.M., O'Brien, P.L. 2020. Phosphorus sorption and desorption in soils treated by thermal desorption. Water, Air, and Soil Pollution. 231:216. https://doi.org/10.1007/s11270-020-04579-x.
Foliar nutrient concentrations of three economically important tree species in an alley-cropping system Reprint Icon - (Peer Reviewed Journal)
O'Brien, P.L., Thomas, A.L., Sauer, T.J., Brauer, D.K. 2020. Foliar nutrient concentrations of three economically important tree species in an alley-cropping system. Journal of Plant Nutrition. 43(17):2557-2568. https://doi.org/10.1080/01904167.2020.1783303.
Extreme soil surface temperatures reflect need to rethink agronomic management Reprint Icon - (Peer Reviewed Journal)
O'Brien, P.L., Hatfield, J.L. 2020. Extreme soil surface temperatures reflect need to rethink agronomic management. Agricultural & Environmental Letters. 5(1). https://doi.org/10.1002/ael2.20002.
Applications of vegetative indices from remote sensing to agriculture: past and future Reprint Icon - (Peer Reviewed Journal)
Hatfield, J.L., Prueger, J.H., Sauer, T.J., Dold, C., O'Brien, P.L., Wacha, K.M. 2019. Applications of vegetative indices from remote sensing to agriculture: past and future. Inventions. 4(4):71. https://doi.org/10.3390/inventions4040071.
Applications of vegetative indices from remote sensing to agriculture: past and future. Reprint Icon - (Peer Reviewed Journal)
Hatfield, J.L., Prueger, J.H., Sauer, T.J., Dold, C., O'Brien, P.L., Wacha, K.M. 2019. Applications of vegetative indices from remote sensing to agriculture: past and future. Inventions. 4(4):71. https://doi.org/10.3390/inventions4040071.
Cropping pattern changes diminish agroecosystem services in North and South Dakota, USA Reprint Icon - (Peer Reviewed Journal)
O'Brien, P.L., Hatfield, J.L., Dold, C., Kistner-Thomas, E.J., Wacha, K.M. 2020. Cropping pattern changes diminish agroecosystem services in North and South Dakota, USA. Agronomy Journal. 112(1):1-24. https://doi.org/10.1002/agj2.20001.
Using areal composition of riparian vegetation communities to identify thresholds in prairie streams Reprint Icon - (Peer Reviewed Journal)
Meehan, M.A., O'Brien, P.L. 2019. Using areal composition of riparian vegetation communities to identify thresholds in prairie streams. Rangeland Ecology and Management. 73(1):162-170. https://doi.org/10.1016/j.rama.2019.09.004.
Crop production on heavily disturbed soils following crude oil remediation Reprint Icon - (Peer Reviewed Journal)
Croat, S.J., O'Brien, P.L., Gasch, C.K., Casey, F.X., Desutter, T.M. 2020. Crop production on heavily disturbed soils following crude oil remediation. Agronomy Journal. 112:130-138. https://doi.org/10.1002/agj2.20077.
Need for false spring research in the Northern Great Plains, USA Reprint Icon - (Peer Reviewed Journal)
Kral-O'Brien, K., O'Brien, P.L., Harmon, J. 2019. Need for false spring research in the Northern Great Plains, USA. Agricultural and Environmental Letters. 4(1):190024. https://doi.org/10.2134/ael2019.07.0024.
Crop yield and nitrous oxide emissions following swine manure application: A meta-analysis Reprint Icon - (Peer Reviewed Journal)
Luo, W., O'Brien, P.L., Hatfield, J.L. 2019. Crop yield and nitrous oxide emissions following swine manure application: A meta-analysis. Agricultural & Environmental Letters. 4(1):190024. https://doi.org/10.2134/ael2019.07.0024.
Understanding the interactions of the food and agricultural system: The need for a systems approach - (Abstract Only)
Hatfield, J.L., O'Brien, P.L., Dold, C., Kistner-Thomas, E.J., Wacha, K.M. 2019. Understanding the interactions of the food and agricultural system: The need for a systems approach. [Abstract] ASA-CSSA-SSSA Annual Meeting.
Dairy manure and synthetic fertilizer: A meta-analysis of crop production and environmental quality Reprint Icon - (Peer Reviewed Journal)
O'Brien, P.L., Hatfield, J.L. 2019. Dairy manure and synthetic fertilizer: A meta-analysis of crop production and environmental quality. Agrosystems, Geosciences & Environment. 2(1):1900027. https://doi.org/10.2134/age2019.04.0027.
Using the Rosgen Stream Classification System to aid in Riparian Complex Ecological Site Descriptions Development Reprint Icon - (Peer Reviewed Journal)
Meehan, M.A., O'Brien, P.L. 2019. Using the Rosgen Stream Classification System to aid in Riparian Complex Ecological Site Descriptions Development. Rangeland Ecology and Management. 72(5):729-735. https://doi.org/10.1016/j.rama.2019.05.001.