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ARS Home Northeast Area University Park, Pennsylvania Pasture Systems & Watershed Management Research Research Publications at this Location





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Title:   Author  item
                                            ABODEELY, JARED - Idaho National Laboratoryitem
                                            MUTH, DAVID - Idaho National Laboratoryitem
                                            Adler, Paulitem
                                            CAMPBELL, ELEANOR - Colorad0 State Universityitem
                                            BRYDEN, KENNETH - Iowa State University
  Submitted to: Meeting Proceedings
                                    Publication Type: Proceedings
                                    Publication Acceptance Date: 10/2/2012
                                    Publication  Date: 10/31/2012
                                    Citation: Abodeely, J., Muth, D., Adler, P.R., Campbell, E., Bryden, K. 2012. A mutli-factor analysis of sustainable agricultural residue removal potential. Proceedings from Sun Grant National Conference: Science for Biomass Feedstock Productin and Utilization, New Orleans, LA. p. 1-6.Interpretive Summary: An interpretive summary is not required.
                                Technical Abstract: Agricultural residues have significant potential as a near term source of cellulosic biomass for bioenergy production, but sustainable removal of agricultural residues requires consideration of the critical roles that residues play in the agronomic system. Previous work has developed an integrated model to evaluate sustainable agricultural residue removal potential considering soil erosion, soil organic carbon, greenhouse gas emission, and long-term yield impacts of residue removal practices. The integrated model couples the environmental process models WEPS, RUSLE2, SCI, and DAYCENT. This study uses the integrated model to investigate the impact of interval removal practices in  Boone County, Iowa, US. Residue removal of 4.5 Mg/ha was performed annually, bi-annually, and tri-annually and were compared to no residue removal. The study is performed at the soil type scale using a national soil survey database assuming a continuous corn rotation with reduced tillage. Results are aggregated across soil types to provide county level estimates of soil organic carbon changes and individual soil type soil organic matter content if interval residue removal were implemented. Results show interval residue removal is possible while improving soil organic matter. Implementation of interval removal practices provide greater increases in soil organic matter while still providing substantial residue for bioenergy production.


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