Search Results - "Oates, Lawrence G."

Nitrogen Fertilization Effects on Productivity and Nitrogen Loss in Three Grass-Based Perennial Bioenergy Cropping Systems by Duran, Brianna E L, Duncan, David S, Oates, Lawrence G, Kucharik, Christopher J, Jackson, Randall D

“…Nitrogen (N) fertilization can greatly improve plant productivity but needs to be carefully managed to avoid harmful environmental impacts. Nutrient management…”
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Nitrous oxide emissions during establishment of eight alternative cellulosic bioenergy cropping systems in the North Central United States by Oates, Lawrence G., Duncan, David S., Gelfand, Ilya, Millar, Neville, Robertson, G. Philip, Jackson, Randall D.

“…Greenhouse gas (GHG) emissions from soils are a key sustainability metric of cropping systems. During crop establishment, disruptive land‐use change is known…”
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Environmental factors function as constraints on soil nitrous oxide fluxes in bioenergy feedstock cropping systems by Duncan, David S., Oates, Lawrence G., Gelfand, Ilya, Millar, Neville, Robertson, G. Philip, Jackson, Randall D.

“…Nitrous oxide (N2O) is a potent greenhouse gas and major component of the net global warming potential of bioenergy feedstock cropping systems. Numerous…”
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Plant community composition influences fine root production and biomass allocation in perennial bioenergy cropping systems of the upper Midwest, USA by Sprunger, Christine D., Oates, Lawrence G., Jackson, Randall D., Robertson, G. Philip

“…Fine roots play a key role in the global carbon (C) cycle because much of the C accumulating in soil is the result of fine root production and turnover. Here…”
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Comparative productivity of alternative cellulosic bioenergy cropping systems in the North Central USA by Sanford, Gregg R., Oates, Lawrence G., Jasrotia, Poonam, Thelen, Kurt D., Robertson, G.Philip, Jackson, Randall D.

“…•Perennial bioenergy crops were highly productive relative to corn.•Harvested yields lagged ANPP by as much as 60%.•Production benefits from high diversity…”
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Bioenergy cropping systems that incorporate native grasses stimulate growth of plant-associated soil microbes in the absence of nitrogen fertilization by Oates, Lawrence G., Duncan, David S., Sanford, Gregg R., Liang, Chao, Jackson, Randall D.

“…•Arbuscular mycorrhizal fungi increased in unfertilized perennial grass systems.•Gram-negative bacterial biomarkers increased in unfertilized grass…”
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Measurement of greenhouse gas flux from agricultural soils using static chambers by Collier, Sarah M, Ruark, Matthew D, Oates, Lawrence G, Jokela, William E, Dell, Curtis J

“…Measurement of greenhouse gas (GHG) fluxes between the soil and the atmosphere, in both managed and unmanaged ecosystems, is critical to understanding the…”
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Perennialization and Cover Cropping Mitigate Soil Carbon Loss from Residue Harvesting by Jones, Curtis D., Oates, Lawrence G., Robertson, G. Philip, Izaurralde, R. Cesar

“…While the US Midwest is expected to serve as a primary feedstock source for cellulosic biofuel production, the impacts of residue harvesting on soil organic…”
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Livestock Management Strategy Affects Net Ecosystem Carbon Balance of Subhumid Pasture by Oates, Lawrence G., Jackson, Randall D.

“…Temperate grasslands are generally considered carbon (C) sinks, but climate and management likely affect whether they accumulate or lose C on an annual time…”
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Management-Intensive Rotational Grazing Enhances Forage Production and Quality of Subhumid Cool-Season Pastures by Oates, Lawrence G, Undersander Daniel J, Gratton, Claudio, Bell, Michael M, Jackson, Randall D

“…Management-intensive rotational grazing is used by many farmers seeking to balance profitability, environmental stewardship, and quality of life. Productivity…”
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Diverse lignocellulosic feedstocks can achieve high field‐scale ethanol yields while providing flexibility for the biorefinery and landscape‐level environmental benefits by Zhang, Yaoping, Oates, Lawrence G., Serate, Jose, Xie, Dan, Pohlmann, Edward, Bukhman, Yury V., Karlen, Steven D., Young, Megan K., Higbee, Alan, Eilert, Dustin, Sanford, Gregg R., Piotrowski, Jeff S., Cavalier, David, Ralph, John, Coon, Joshua J., Sato, Trey K., Ong, Rebecca G.

“…Increasing the diversity of lignocellulosic feedstocks accepted by a regional biorefinery has the potential to improve the environmental footprint of the…”
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Controlling microbial contamination during hydrolysis of AFEX-pretreated corn stover and switchgrass: effects on hydrolysate composition, microbial response and fermentation by Serate, Jose, Xie, Dan, Pohlmann, Edward, Donald, Jr, Charles, Shabani, Mahboubeh, Hinchman, Li, Higbee, Alan, Mcgee, Mick, La Reau, Alex, Klinger, Grace E, Li, Sheena, Myers, Chad L, Boone, Charles, Bates, Donna M, Cavalier, Dave, Eilert, Dustin, Oates, Lawrence G, Sanford, Gregg, Sato, Trey K, Dale, Bruce, Landick, Robert, Piotrowski, Jeff, Ong, Rebecca Garlock, Zhang, Yaoping

“…Microbial conversion of lignocellulosic feedstocks into biofuels remains an attractive means to produce sustainable energy. It is essential to produce…”
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Does Plant Biomass Manipulation in Static Chambers Affect Nitrous Oxide Emissions from Soils? by Collier, Sarah M., Dean, Andrew P., Oates, Lawrence G., Ruark, Matthew D., Jackson, Randall D.

“…One of the most widespread approaches for measurement of greenhouse gas emissions from soils involves the use of static chambers. This method is relatively…”
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A Lipid Extraction and Analysis Method for Characterizing Soil Microbes in Experiments with Many Samples by Oates, Lawrence G, Read, Harry W, Gutknecht, Jessica L M, Duncan, David S, Balser, Teri B, Jackson, Randall D

“…Microbial communities are important drivers and regulators of ecosystem processes. To understand how management of ecosystems may affect microbial communities,…”
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Subhumid pasture soil microbial communities affected by presence of grazing, but not grazing management by Oates, Lawrence G., Balser, Teri C., Jackson, Randall D.

“…► Grazing influenced soil microbial community but only at a coarse level. ► Total microbial biomass similar between grazed and ungrazed treatments. ► Grazing…”
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Nitrous oxide emissions from cool-season pastures under managed grazing by Jackson, Randall D, Oates, Lawrence G, Schacht, Walter H, Klopfenstein, Terry J, Undersander, Daniel J, Greenquist, Matthew A, Bell, Michael M, Gratton, Claudio

“…High stocking densities on grazed pastures may promote nitrous oxide (N₂O) loss from soil to the atmosphere. However, studies of N₂O fluxes in cool-season…”
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Grazing removal decreases the magnitude of methane and the variability of nitrous oxide emissions from spring-fed wetlands of a California oak savanna by Oates, Lawrence G, Jackson, Randall D, Allen-Diaz, Barbara

“…Spring-fed wetlands are embedded within Californian oak savannas whose understory is dominated by annual grasslands that are grazed by livestock. Because there…”
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Spring-water Nitrate Increased with Removal of Livestock Grazing in a California Oak Savanna by Jackson, R.D, Allen-Diaz, B, Oates, L.G, Tate, K.W

“…We characterized spatial and temporal changes in nitrate concentrations of the leachate from annual grasslands and subsequently emergent spring-waters and…”
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Inhibition of microbial biofuel production in drought-stressed switchgrass hydrolysate by Ong, Rebecca Garlock, Higbee, Alan, Bottoms, Scott, Dickinson, Quinn, Xie, Dan, Smith, Scott A, Serate, Jose, Pohlmann, Edward, Jones, Arthur Daniel, Coon, Joshua J, Sato, Trey K, Sanford, Gregg R, Eilert, Dustin, Oates, Lawrence G, Piotrowski, Jeff S, Bates, Donna M, Cavalier, David, Zhang, Yaoping

“…Interannual variability in precipitation, particularly drought, can affect lignocellulosic crop biomass yields and composition, and is expected to increase…”
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Biomass Production a Stronger Driver of Cellulosic Ethanol Yield than Biomass Quality by Sanford, Gregg R., Oates, Lawrence G., Roley, Sarah S., Duncan, David S., Jackson, Randall D., Robertson, G. Philip, Thelen, Kurt D.

“…Core Ideas Fermentable sugars were greatest in corn stover > perennial grasses > polycultures. Corn stover had the highest ethanol content. Miscanthus had the…”
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