Cited by 65Bioenergy crop production and managementHydrology and Watershed Management StudiesSoil and Water Nutrient Dynamics

Evaluation of bioenergy crop growth and the impacts of bioenergy crops on streamflow, tile drain flow and nutrient losses in an extensively tile-drained watershed using SWAT

Guo, Tian, Cibin, Raj, Chaubey, Indrajeet, Gitau, Margaret, Arnold, Jeffrey G., Srinivasan, Raghavan, Kiniry, James R., Engel, Bernard A.·2018·Science of The Total Environment

Abstract

Large quantities of biofuel production are expected from bioenergy crops at a national scale to meet US biofuel goals. It is important to study biomass production of bioenergy crops and the impacts of these crops on water quantity and quality to identify environment-friendly and productive biofeedstock systems. SWAT2012 with a new tile drainage routine and improved perennial grass and tree growth simulation was used to model long-term annual biomass yields, streamflow, tile flow, sediment load, and nutrient losses under various bioenergy scenarios in an extensively agricultural watershed in the Midwestern US. Simulated results from bioenergy crop scenarios were compared with those from the baseline. The results showed that simulated annual crop yields were similar to observed county level values for corn and soybeans, and were reasonable for Miscanthus, switchgrass and hybrid poplar. Removal of 38% of corn stover (3.74Mg/ha/yr) with Miscanthus production on highly erodible areas and marginal land (17.49Mg/ha/yr) provided the highest biofeedstock production (279,000Mg/yr). Streamflow, tile flow, erosion and nutrient losses were reduced under bioenergy crop scenarios of bioenergy crops on highly erodible areas and marginal land. Corn stover removal did not result in significant water quality changes. The increase in sediment and nutrient losses under corn stover removal could be offset with the combination of other bioenergy crops. Potential areas for bioenergy crop production when meeting the criteria above were small (10.88km 2), thus the ability to produce biomass and improve water quality was not substantial. The study showed that corn stover removal with bioenergy crops both on highly erodible areas and marginal land could provide more biofuel production relative to the baseline, and was beneficial to water quality at the watershed scale, providing guidance for further research on evaluation of bioenergy crop scenarios in a typical extensively tile-drained watershed in the Midwestern U.S.

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Crossref · 10.1016/j.scitotenv.2017.09.148

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  • Land conversion to bioenergy crops can cause reduction of water resource at the watershed scale.

    “the land conversion to bioenergy crops can cause reduction of water resource at the watershed scale.”

    From Bioenergy production and environmental impacts (2018) · cites this paper as Guo et al. (2018)

  • Growing bioenergy crops in marginal or erodible areas can reduce streamflow and nutrient losses.

    “growing bioenergy crops in marginal or erodible areas can not only reduce the streamflow but also the nutrient losses”

    From Bioenergy production and environmental impacts (2018) · cites this paper as Guo et al. (2018)

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Authors
Guo, T., Cibin, R., Chaubey, I., Gitau, M., Arnold, J. G., Srinivasan, R., Kiniry, J. R., & Engel, B. A.
Affiliations
  • Purdue University West Lafayette (US)
  • Pennsylvania State University (US)
  • Agricultural Research Service (US)
  • Texas A&M University (US)
Corresponding author
Guo, Tian
Venue
Science of The Total Environment
Publisher
Elsevier BV
Published
2018-02
Volume
613-614
Pages
724-735
ISSN
0048-9697 (ISSN-L)
OpenAlex
W2754991214
Cited by
65
References
78
Citations by year
2026: 1 · 2025: 7 · 2024: 5 · 2023: 4 · 2022: 10 · 2021: 10 · 2020: 8 · 2019: 10 · 2018: 9 · 2017: 1
FWCI
13.36
Type
journal article
Language
en
Open access
closed
Locations
  • The Science of The Total Environment (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Agronomy and Crop Science › Bioenergy crop production and management
  • Physical Sciences › Environmental Science › Water Science and Technology › Hydrology and Watershed Management Studies
  • Physical Sciences › Environmental Science › Environmental Chemistry › Soil and Water Nutrient Dynamics
Keywords
energy crops, tile drainage, river discharge, nutrient loss, sediment load, corn stover removal, Miscanthus, switchgrass, hybrid poplar, perennial grasses, biomass yield, water quality, erosion, highly erodible land, marginal land, biofuel production, SWAT model, Midwestern United States

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