{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/105708"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/105708","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Nitrogen, phosphorus and potassium removal from perennial energy grasses when grown on wet marginal land","abstract":"Reduction of nutrient loss from agricultural lands is a major concern facing the agricultural industry. On-farm efforts will lead to a proactive approach that has the potential to confer key ecosystem services. The field study was conducted from 2012 to 2015 on marginal land located at the beginning of a priority IL watershed with the goal of understanding the effects of harvest timing (peak standing crop, H1, and after a killing frost, H2), species (switchgrass, Miscanthus x giganteus, prairie cordgrass, and a native grass mixture), and N-rate (0, 56, and 112 kg N ha-1), on nutrient removal in grass biomass grown on a riparian buffer. Harvest year, harvest timing, species, and N- rate, all significantly affected nutrient concentrations in biomass and removals. Nutrient removal across all species was generally greater at H1 than with H2 and with increasing application of nitrogen. At H1, switchgrass removed the most nitrogen and phosphorus, the most potassium removal occurred in Miscanthus x giganteus. From this study, we inferred there is considerable potential for perennial energy crops to remove excess nutrients when grown on a riparian buffer; however, a specific recommendation for species selection and best management practices including N fertilization and harvest timing will be dependent on the desired outcome for either biomass or forage production.","abstract_html":"Reduction of nutrient loss from agricultural lands is a major concern facing the agricultural industry. On-farm efforts will lead to a proactive approach that has the potential to confer key ecosystem services. The field study was conducted from 2012 to 2015 on marginal land located at the beginning of a priority IL watershed with the goal of understanding the effects of harvest timing (peak standing crop, H1, and after a killing frost, H2), species (switchgrass, Miscanthus x giganteus, prairie cordgrass, and a native grass mixture), and N-rate (0, 56, and 112 kg N ha-1), on nutrient removal in grass biomass grown on a riparian buffer. Harvest year, harvest timing, species, and N- rate, all significantly affected nutrient concentrations in biomass and removals. Nutrient removal across all species was generally greater at H1 than with H2 and with increasing application of nitrogen. At H1, switchgrass removed the most nitrogen and phosphorus, the most potassium removal occurred in Miscanthus x giganteus. From this study, we inferred there is considerable potential for perennial energy crops to remove excess nutrients when grown on a riparian buffer; however, a specific recommendation for species selection and best management practices including N fertilization and harvest timing will be dependent on the desired outcome for either biomass or forage production.","abstract_has_math":false,"creators":["Cooney, Danielle Rose"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"M.S.","degree_level":"Thesis","degree_discipline":"Crop Sciences","degree_department":null,"school":null,"contributors":["Lee, DoKyoung"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2019,"date_issued":"2019-11-26T20:35:14Z","date_published":"2019-11-26T20:35:14Z","updated_at":"2026-07-22T22:24:44Z","subjects":["marginal land, perennial energy grass, nutrient removal"],"languages":["en"],"rights":["Copyright 2019 Danielle Cooney"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/2142/105708","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Lee, DoKyoung"]},{"key":"dc:creator","label":"Author","values":["Cooney, Danielle Rose"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2019-11-26T20:35:14Z","2019-07-18","2019-08"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Crop Sciences"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Thesis"]},{"key":"thesis:degree_name","label":"Degree Name","values":["M.S."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["marginal land, perennial energy grass, nutrient removal"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 2019 Danielle Cooney"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/105708"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Reduction of nutrient loss from agricultural lands is a major concern facing the agricultural industry. On-farm efforts will lead to a proactive approach that has the potential to confer key ecosystem services. The field study was conducted from 2012 to 2015 on marginal land located at the beginning of a priority IL watershed with the goal of understanding the effects of harvest timing (peak standing crop, H1, and after a killing frost, H2), species (switchgrass, Miscanthus x giganteus, prairie cordgrass, and a native grass mixture), and N-rate (0, 56, and 112 kg N ha-1), on nutrient removal in grass biomass grown on a riparian buffer. Harvest year, harvest timing, species, and N- rate, all significantly affected nutrient concentrations in biomass and removals. Nutrient removal across all species was generally greater at H1 than with H2 and with increasing application of nitrogen. At H1, switchgrass removed the most nitrogen and phosphorus, the most potassium removal occurred in Miscanthus x giganteus. From this study, we inferred there is considerable potential for perennial energy crops to remove excess nutrients when grown on a riparian buffer; however, a specific recommendation for species selection and best management practices including N fertilization and harvest timing will be dependent on the desired outcome for either biomass or forage production.","Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2019-11-26 without embargo terms","The student, Danielle Cooney, accepted the attached license on 2019-07-17 at 09:29.","The student, Danielle Cooney, submitted this Thesis for approval on 2019-07-17 at 09:45.","This Thesis was approved for publication on 2019-07-18 at 12:57.","DSpace SAF Submission Ingestion Package generated from Vireo submission #14352 on 2019-11-26 at 12:53:54","Made available in DSpace on 2019-11-26T20:35:14Z (GMT). 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The field study was conducted from 2012 to 2015 on marginal land located at the beginning of a priority IL watershed with the goal of understanding the effects of harvest timing (peak standing crop, H1, and after a killing frost, H2), species (switchgrass, Miscanthus x giganteus, prairie cordgrass, and a native grass mixture), and N-rate (0, 56, and 112 kg N ha-1), on nutrient removal in grass biomass grown on a riparian buffer. Harvest year, harvest timing, species, and N- rate, all significantly affected nutrient concentrations in biomass and removals. Nutrient removal across all species was generally greater at H1 than with H2 and with increasing application of nitrogen. At H1, switchgrass removed the most nitrogen and phosphorus, the most potassium removal occurred in Miscanthus x giganteus. From this study, we inferred there is considerable potential for perennial energy crops to remove excess nutrients when grown on a riparian buffer; however, a specific recommendation for species selection and best management practices including N fertilization and harvest timing will be dependent on the desired outcome for either biomass or forage production.","Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2019-11-26 without embargo terms","The student, Danielle Cooney, accepted the attached license on 2019-07-17 at 09:29.","The student, Danielle Cooney, submitted this Thesis for approval on 2019-07-17 at 09:45.","This Thesis was approved for publication on 2019-07-18 at 12:57.","DSpace SAF Submission Ingestion Package generated from Vireo submission #14352 on 2019-11-26 at 12:53:54","Made available in DSpace on 2019-11-26T20:35:14Z (GMT). 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