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| DOI: | 10.2134/jeq2012.0210 |
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| Web URL(s): | https://www.dl.sciencesocieties.org/publications/jeq/articles/42/1/219
Last checked: 11/02/2016
Access conditions: Item is within a limited-access website
https://www.dl.sciencesocieties.org/publications/jeq/pdfs/42/1/219
Last checked: 11/02/2016
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| Publication Type:
| Refereed |
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| Author(s): | Smith, Candice M.;
David, Mark B.;
Mitchell, Corey A.;
Masters, Michael D.;
Anderson-Teixeira, Kristina J.;
Bernacchi, Carl J.;
DeLucia, Evan H. |
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| Author Affiliation: | Smith, David, Mitchell, Masters, Anderson-Teixeira, Bernacchi and DeLucia: Energy Biosciences Institute; David and Mitchell: Dep. of Natural Resources and Environmental Sciences; Bernacchi and DeLucia: Dep. of Plant Biology; DeLucia: Institute of Genomic Biology, Univ. of Illinois at Urbana-Champaign; Bernacchi: Global Change and Photosynthesis Research Unit, USDA-ARS, Urbana, IL |
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| Title: | Reduced nitrogen losses after conversion of row crop agriculture to perennial biofuel crops |
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| Section: | Technical reports: Plant and environment interactions
Other records with the "Technical reports: Plant and environment interactions" Section
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| Source: | Journal of Environmental Quality. Vol. 42, No. 1, January 2013, p. 219-228. |
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| Publishing Information: | Madison, Wisconsin: American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America |
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| # of Pages: | 10 |
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| Related Web URL: | https://www.dl.sciencesocieties.org/publications/jeq/abstracts/42/1/219
Last checked: 11/02/2016
Notes: Abstract only |
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| Keywords: | TIC Keywords: Biofuels; Cultivar evaluation; Miscanthus giganteus; Nitrogen losses; Nitrous oxide; Panicum virgatum; Glycine max; Zea mays
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| Abstract/Contents: | "Current biofuel feedstock crops such as corn lead to large environmental losses of N through nitrate leaching and N2O emissions; second-generation cellulosic crops have the potential to reduce these N losses. We measured N losses and cycling in establishing miscanthus (Miscanthus x giganteus), switchgrass (Panicum virgatum L. fertilized with 56 kg N ha-1 yr-1), and mixed prairie, along with a corn (Zea mays L.)-corn-soybean [Glycine max (L.) Merr.] rotation (corn fertilized at 168-202 kg N ha-1). Nitrous oxide emissions, soil N mineralization, mid-profile nitrate leaching, and tile flow and nitrate concentrations were measured. Perennial crops quickly reduced nitrate leaching at a 50-cm soil depth as well as concentrations and loads from the tile systems (year 1 tile nitrate concentrations of 10-15 mg N L-1 declined significantly by year 4 in all perennial crops to <0.6 mg N L-1, with losses of <0.8 kg N ha-1 yr-1). Nitrous oxide emissions were 2.2 to 7.7 kg N ha-1 yr-1 in the corn-corn-soybean rotation but were <1.0 kg N ha-1 yr-1 by year 4 in the perennial crops. Overall N balances (atmospheric deposition + fertilization + soybean N2 fixation - harvest, leaching losses, and N2O emissions) were positive for corn and soybean (22 kg N ha-1 yr-1) as well as switchgrass (9.7 kg N ha-1 yr-1) but were -18 and -29 kg N ha-1 yr-1 for prairie and miscanthus, respectively. Our results demonstrate rapid tightening of the N cycle as perennial biofuel crops established on a rich Mollisol soil." |
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| Language: | English |
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| References: | 57 |
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| Note: | Summary appears in CSA News, 58(3) March 2013, p. 16
Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Smith, C. M., M. B. David, C. A. Mitchell, M. D. Masters, K. J. Anderson-Teixeira, C. J. Bernacchi, et al. 2013. Reduced nitrogen losses after conversion of row crop agriculture to perennial biofuel crops. J. Environ. Qual. 42(1):p. 219-228. |
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| DOI: 10.2134/jeq2012.0210 |
| Web URL(s):
https://www.dl.sciencesocieties.org/publications/jeq/articles/42/1/219
Last checked: 11/02/2016
Access conditions: Item is within a limited-access website
https://www.dl.sciencesocieties.org/publications/jeq/pdfs/42/1/219
Last checked: 11/02/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: b2225072a |
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