Drought Effects on Composition and Yield for Corn Stover, Mixed Grasses, and Miscanthus as Bioenergy Feedstocks

Courtney Payne; Rachel Emerson; Amber Hoover; Allison Ray; Jeffrey Lacey; Marnie Cortez; Douglas Karlen; Stuart Birrell; David Laird; Robert Kallenbach; Josh Egenolf; Matthew Sousek; Thomas Voigt

doi:10.1080/17597269.2014.913904

Drought Effects on Composition and Yield for Corn Stover, Mixed Grasses, and Miscanthus as Bioenergy Feedstocks

Courtney Payne, Rachel Emerson, Amber Hoover, Allison Ray, Jeffrey Lacey, Marnie Cortez, Douglas Karlen, Stuart Birrell, David Laird, Robert Kallenbach, Josh Egenolf, Matthew Sousek, Thomas Voigt

Research output: Contribution to journal › Article › peer-review

49 Scopus Citations

Abstract

Drought conditions in 2012 were some of the most severe in recent history. The purpose of this study is to examine the impact of drought on quality, quantity, and theoretical ethanol yield (TEY) of three bioenergy feedstocks, corn stover, mixed grasses from Conservation Reserve Program lands, and Miscanthus × giganteus. To assess drought effects on these feedstocks, samples from 2010 (minimal to no drought) and 2012 (severe drought) were compared from multiple locations in the US. In all feedstocks, drought significantly increased extractives and reduced structural sugars and lignin; subsequently, TEYs were reduced 10-15%. Biomass yields were significantly reduced for M. × giganteus and mixed grasses. When reduction in quality and quantity were combined, TEYs decreased 26-59%. Drought negatively affected biomass quality and quantity that resulted in significant TEY reductions. Such fluctuations in biomass quality and yield may have significant consequences for developing lignocellulosic biorefineries.

Original language	American English
Pages (from-to)	275-291
Number of pages	17
Journal	Biofuels
Volume	5
Issue number	3
DOIs	https://doi.org/10.1080/17597269.2014.913904 https://doi.org/10.1080/17597269.2014.913904
State	Published - 2014

Bibliographical note

Publisher Copyright:
© 2014 © 2014 Battelle Energy Alliance, LLC, contract manager for Idaho National Laboratory. Published by Taylor & Francis.

NREL Publication Number

NREL/JA-5100-63019

Keywords

bioconversion
compatiple osmotic solutes
compositional analysis
drought
theoretical ethanol yield

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Payne, C., Emerson, R., Hoover, A., Ray, A., Lacey, J., Cortez, M., Karlen, D., Birrell, S., Laird, D., Kallenbach, R., Egenolf, J., Sousek, M., & Voigt, T. (2014). Drought Effects on Composition and Yield for Corn Stover, Mixed Grasses, and Miscanthus as Bioenergy Feedstocks. Biofuels, 5(3), 275-291. https://doi.org/10.1080/17597269.2014.913904, https://doi.org/10.1080/17597269.2014.913904

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title = "Drought Effects on Composition and Yield for Corn Stover, Mixed Grasses, and Miscanthus as Bioenergy Feedstocks",

abstract = "Drought conditions in 2012 were some of the most severe in recent history. The purpose of this study is to examine the impact of drought on quality, quantity, and theoretical ethanol yield (TEY) of three bioenergy feedstocks, corn stover, mixed grasses from Conservation Reserve Program lands, and Miscanthus × giganteus. To assess drought effects on these feedstocks, samples from 2010 (minimal to no drought) and 2012 (severe drought) were compared from multiple locations in the US. In all feedstocks, drought significantly increased extractives and reduced structural sugars and lignin; subsequently, TEYs were reduced 10-15%. Biomass yields were significantly reduced for M. × giganteus and mixed grasses. When reduction in quality and quantity were combined, TEYs decreased 26-59%. Drought negatively affected biomass quality and quantity that resulted in significant TEY reductions. Such fluctuations in biomass quality and yield may have significant consequences for developing lignocellulosic biorefineries.",

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Payne, C, Emerson, R, Hoover, A, Ray, A, Lacey, J, Cortez, M, Karlen, D, Birrell, S, Laird, D, Kallenbach, R, Egenolf, J, Sousek, M & Voigt, T 2014, 'Drought Effects on Composition and Yield for Corn Stover, Mixed Grasses, and Miscanthus as Bioenergy Feedstocks', Biofuels, vol. 5, no. 3, pp. 275-291. https://doi.org/10.1080/17597269.2014.913904, https://doi.org/10.1080/17597269.2014.913904

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AU - Payne, Courtney

AU - Emerson, Rachel

AU - Hoover, Amber

AU - Ray, Allison

AU - Lacey, Jeffrey

AU - Cortez, Marnie

AU - Karlen, Douglas

AU - Birrell, Stuart

AU - Laird, David

AU - Kallenbach, Robert

AU - Egenolf, Josh

AU - Sousek, Matthew

AU - Voigt, Thomas

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AB - Drought conditions in 2012 were some of the most severe in recent history. The purpose of this study is to examine the impact of drought on quality, quantity, and theoretical ethanol yield (TEY) of three bioenergy feedstocks, corn stover, mixed grasses from Conservation Reserve Program lands, and Miscanthus × giganteus. To assess drought effects on these feedstocks, samples from 2010 (minimal to no drought) and 2012 (severe drought) were compared from multiple locations in the US. In all feedstocks, drought significantly increased extractives and reduced structural sugars and lignin; subsequently, TEYs were reduced 10-15%. Biomass yields were significantly reduced for M. × giganteus and mixed grasses. When reduction in quality and quantity were combined, TEYs decreased 26-59%. Drought negatively affected biomass quality and quantity that resulted in significant TEY reductions. Such fluctuations in biomass quality and yield may have significant consequences for developing lignocellulosic biorefineries.

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Drought Effects on Composition and Yield for Corn Stover, Mixed Grasses, and Miscanthus as Bioenergy Feedstocks

Abstract

Bibliographical note

NREL Publication Number

Keywords

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