Cited by 67Bioenergy crop production and managementBiofuel production and bioconversionSoil Carbon and Nitrogen Dynamics

Miscanthus biomass productivity within US croplands and its potential impact on soil organic carbon

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Mishra, Umakant, Torn, Margaret S., Fingerman, Kevin·2013·GCB Bioenergy

Abstract

Interest in bioenergy crops is increasing due to their potential to reduce greenhouse gas emissions and dependence on fossil fuels. We combined process‐based and geospatial models to estimate the potential biomass productivity of miscanthus and its potential impact on soil carbon stocks in the croplands of the continental United States. The optimum (climatic potential) rainfed productivity for field‐dried miscanthus biomass ranged from 1 to 23 Mg biomass ha−1 yr−1, with a spatial average of 13 Mg ha−1 yr−1 and a coefficient of variation of 30%. This variation resulted primarily from the spatial heterogeneity of effective rainfall, growing degree days, temperature, and solar radiation interception. Cultivating miscanthus would result in a soil organic carbon (SOC) sequestration at the rate of 0.16–0.82 Mg C ha−1 yr−1 across the croplands due to cessation of tillage and increased biomass carbon input into the soil system. We identified about 81 million ha of cropland, primarily in the eastern United States, that could sustain economically viable (>10 Mg ha−1 yr−1) production without supplemental irrigation, of which about 14 million ha would reach optimal miscanthus growth. To meet targets of the US Energy Independence and Security Act of 2007 using miscanthus as feedstock, 19 million ha of cropland would be needed (spatial average 13 Mg ha−1 yr−1) or about 16% less than is currently dedicated to US corn‐based ethanol production.

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Crossref · 10.1111/j.1757-1707.2012.01201.x

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  1. Schlesinger WH (1986) The Changing Carbon Cycle. A Global Analysis. Springer Verlag, New York, NY, pp. 194-20.
  2. Schneckenberger K, Kuzyakov Y (2007) Carbon sequestration under Miscanthus in sandy and loamy soils estimated by natural 13C abundance. Journal of Plant Nutrition and Soil Science, 170, 538-542.

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Authors
Mishra, U., Torn, M. S., & Fingerman, K.
Affiliations
  • Argonne National Laboratory (US)
  • Lawrence Berkeley National Laboratory (US)
  • University of California, Berkeley (US)
Corresponding author
Mishra, Umakant
Venue
GCB Bioenergy
Publisher
Wiley
Published
2012-08-10
Volume
5
Issue
4
Pages
391-399
ISSN
  • 1757-1693 (ISSN-L)
  • 1757-1707
OpenAlex
W2103564172
Cited by
67
References
46
Citations by year
2026: 1 · 2025: 5 · 2024: 2 · 2023: 5 · 2022: 4 · 2021: 3 · 2020: 3 · 2019: 8 · 2018: 6 · 2017: 2 · 2016: 10 · 2015: 5 · 2014: 11 · 2013: 2
FWCI
11.65
Type
journal article
Language
en
Open access
Locations
  • GCB Bioenergy (publishedVersion)
  • OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) (submittedVersion)
Funders
  • U.S. Department of Energy (-AC02-05CH11231, Contract No. DE-AC02-05-CH11231, 05CH11231, No. DE-AC02-05-CH11231, DE AC02 05CH11231, DE-AC02-)
  • Energy Biosciences Institute (DE-AC02-05CH11231)
  • University of Illinois at Urbana-Champaign
  • Office of Science (No. DE-AC02- 05-CH11231, DEAC02–05CH11231, AC02-05CH11231, DE-AC02, Contract No. DE-AC02-05CH11231)
  • Biological and Environmental Research (05CH11231, No. DE-AC02-05CH11231, DE-AC02 − 05CH11231, Contract No. DE-AC02-05CH11231, AC02-05CH11231)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Agronomy and Crop Science › Bioenergy crop production and management
  • Physical Sciences › Engineering › Biomedical Engineering › Biofuel production and bioconversion
  • Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil Carbon and Nitrogen Dynamics
Keywords
Miscanthus, energy crops, biomass productivity, soil organic carbon sequestration, cropland, rainfed agriculture, growing degree days, solar radiation interception, biomass feedstock, corn ethanol, spatial heterogeneity

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