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Title:   Author  item
                                            BONOS, STACY - Rutgers Universityitem
                                            SOSA, SERGIO - Rutgers Universityitem
                                            Adler, Paulitem
                                            Casler, Michaelitem
                                            BOE, ARVID - South Dakota State Universityitem
                                            ERNST, CALVIN - Collaboratoritem
                                            ARMSTRONG, JOHN - Collaboratoritem
                                            MAYTON, HILARY - Cornell University
  Submitted to: ASA-CSSA-SSSA Annual Meeting Abstracts
                                    Publication Type: Abstract Only
                                    Publication Acceptance Date: 10/1/2010
                                    Publication  Date: 10/31/2010
                                    Citation: Bonos, S., Sosa, S., Adler, P.R., Casler, M.D., Boe, A., Ernst, C., Armstrong, J., Mayton, H. 2010. Evaluation of switchgrass for improved biomass yield on marginal land [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts. Paper No. 279-9.Interpretive Summary:
                                Technical Abstract: The national strategy is to produce bioenergy crops on marginal cropland where there will be no competition with food production.  The characteristics of switchgrass (Panicum virgatum) make it an excellent candidate for sustainable biomass production on marginal land. However, few studies have evaluated switchgrass performance on marginal land.  The objectives of the project are to identify the best performing switchgrass cultivars on marginal land in specific locations and identify cultivars with broad adaptation across several regions. Fourteen switchgrass cultivars representing a range in adaptation, from southern lowland to northern upland ecotypes, were established in ‘paired’ field trials (on marginal soil and on prime farmland soil) in NJ, NY, WI, SD, PA, OH, WV, and MD. Two nitrogen treatments (0, 120 kg ha-1) were applied in the spring of each year. Biomass and agronomic data were collected in 2009 and 2010 to determine the effects of marginal soil on switchgrass performance. Marginal and prime farmland sites were established successfully at all locations except WI.  Prime sites had higher percent establishment compared to marginal sites at most, but not all locations. Upland cultivars established best at all locations, followed by northern lowland, while southern lowland cultivars exhibited the poorest establishment at all locations. This information will be useful in identifying switchgrass cultivars with improved biomass production on marginal land.


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