{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/22339"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/22339","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Nitrogen levels and leaching effects on geranium (Pelargonium hortorum) stock plant growth under a Leca-based hydroculture system","abstract":"\"Three independent but interrelated experiments were conducted to investigate the effects of growing media, irrigation systems and NO3-N concentrations on geranium (Pelargonium hortorum) stock plant production cv \"\"Yours Truly\"\". Different growth and quality (cuttings) parameters were taken at different sampling dates. No3-N leaching content was measured everyday analyzed or at each irrigation time (exp 3).\"","abstract_html":""Three independent but interrelated experiments were conducted to investigate the effects of growing media, irrigation systems and NO3-N concentrations on geranium (Pelargonium hortorum) stock plant production cv ""Yours Truly"". Different growth and quality (cuttings) parameters were taken at different sampling dates. No3-N leaching content was measured everyday analyzed or at each irrigation time (exp 3)."","abstract_has_math":false,"creators":["Libran, Maria Del Carmen"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Natural Resources and Environmental Sciences","degree_department":null,"school":null,"contributors":["Williams, David J."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2011,"date_issued":"2011-05-07T13:36:43Z","date_published":"2011-05-07T13:36:43Z","updated_at":"2026-07-22T22:25:19Z","subjects":["Agriculture, Agronomy","Agriculture, Plant Culture"],"languages":["eng"],"rights":["Copyright 1996 Libran, Maria Del Carmen"],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["9780591199192","AAI9712354","(UMI)AAI9712354"],"render_values":[{"text":"9780591199192","href":null,"code":true},{"text":"AAI9712354","href":null,"code":true},{"text":"(UMI)AAI9712354","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/22339","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Williams, David J."]},{"key":"dc:creator","label":"Author","values":["Libran, Maria Del Carmen"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2011-05-07T13:36:43Z","10000-01-01","1996"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Natural Resources and Environmental Sciences"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]},{"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":["Agriculture, Agronomy","Agriculture, Plant Culture"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 1996 Libran, Maria Del Carmen"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["9780591199192","AAI9712354","(UMI)AAI9712354","http://hdl.handle.net/2142/22339"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["\"Three independent but interrelated experiments were conducted to investigate the effects of growing media, irrigation systems and NO3-N concentrations on geranium (Pelargonium hortorum) stock plant production cv \"\"Yours Truly\"\". Different growth and quality (cuttings) parameters were taken at different sampling dates. No3-N leaching content was measured everyday analyzed or at each irrigation time (exp 3).\"","Leca clay pebbles resulted an excellent growing media to be used in a hydroculture system. Its physical and chemical properties allowed the plant to grow with a high quality market value.","Geraniums plant growth parameters resulted valuable when plant were grown at 100 ppm in a Leca-based hydroculture system. Since no significance difference were found between plants grown at 100, 200, 350, ppm of NO3-N, then the 100 ppm level can be recommended. The plants grown at 10 ppm resulted smaller, with poor quality, and also with lower level carbohydrate and total $-$N in their tissues.","Plants grown in soilless under a subirrigation system resulted with a quality in terms of growth parameters than plant grown in soilless under drip, Leca under drip and Leca in subirrigation.","No significant differences in carbohydrates and total $-$N in tissues were found in plants grown at higher levels of nitrate-N (100, 200, 350 ppm).","Plants grown at 100 ppm produced more cutting compared with the latter treatments. Cuttings obtained from plants grown at 100 and 200 ppm resulted with better rooting performance (100%).","Plants grown in soilless under a subirrigation system resulted with higher quality in terms of growth parameters, than plants grown in soilless under drip, Leca with drip and Leca with subirrigation.","Made available in DSpace on 2011-05-07T13:36:43Z (GMT). No. of bitstreams: 2 license.txt: 4922 bytes, checksum: 910b249b4beec47e7ab768910c8f966f (MD5) 9712354.pdf: 4980209 bytes, checksum: ecca1ea3cbc3f96f8611d42fb46ff87c (MD5) Previous issue date: 1996","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Howard Ding (hding2@illinois.edu) on 2011-05-07T14:56:57Z Item is restricted indefinitely.","Restriction data tranferred 2014-07-01T11:26:40-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: ETDs are only available to UIUC Users without author permission","ETDs are only available to UIUC Users without author permission","U of I Only"]},{"key":"dc:title","label":"Title","values":["Nitrogen levels and leaching effects on geranium (Pelargonium hortorum) stock plant growth under a Leca-based hydroculture system"]}]}],"canonical_facts":{"dc:contributor":["Williams, David J."],"dc:creator":["Libran, Maria Del Carmen"],"dc:date":["2011-05-07T13:36:43Z","10000-01-01","1996"],"dc:description":["\"Three independent but interrelated experiments were conducted to investigate the effects of growing media, irrigation systems and NO3-N concentrations on geranium (Pelargonium hortorum) stock plant production cv \"\"Yours Truly\"\". Different growth and quality (cuttings) parameters were taken at different sampling dates. No3-N leaching content was measured everyday analyzed or at each irrigation time (exp 3).\"","Leca clay pebbles resulted an excellent growing media to be used in a hydroculture system. Its physical and chemical properties allowed the plant to grow with a high quality market value.","Geraniums plant growth parameters resulted valuable when plant were grown at 100 ppm in a Leca-based hydroculture system. Since no significance difference were found between plants grown at 100, 200, 350, ppm of NO3-N, then the 100 ppm level can be recommended. The plants grown at 10 ppm resulted smaller, with poor quality, and also with lower level carbohydrate and total $-$N in their tissues.","Plants grown in soilless under a subirrigation system resulted with a quality in terms of growth parameters than plant grown in soilless under drip, Leca under drip and Leca in subirrigation.","No significant differences in carbohydrates and total $-$N in tissues were found in plants grown at higher levels of nitrate-N (100, 200, 350 ppm).","Plants grown at 100 ppm produced more cutting compared with the latter treatments. Cuttings obtained from plants grown at 100 and 200 ppm resulted with better rooting performance (100%).","Plants grown in soilless under a subirrigation system resulted with higher quality in terms of growth parameters, than plants grown in soilless under drip, Leca with drip and Leca with subirrigation.","Made available in DSpace on 2011-05-07T13:36:43Z (GMT). No. of bitstreams: 2 license.txt: 4922 bytes, checksum: 910b249b4beec47e7ab768910c8f966f (MD5) 9712354.pdf: 4980209 bytes, checksum: ecca1ea3cbc3f96f8611d42fb46ff87c (MD5) Previous issue date: 1996","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Howard Ding (hding2@illinois.edu) on 2011-05-07T14:56:57Z Item is restricted indefinitely.","Restriction data tranferred 2014-07-01T11:26:40-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: ETDs are only available to UIUC Users without author permission","ETDs are only available to UIUC Users without author permission","U of I Only"],"dc:identifier":["9780591199192","AAI9712354","(UMI)AAI9712354","http://hdl.handle.net/2142/22339"],"dc:language":["eng"],"dc:rights":["Copyright 1996 Libran, Maria Del Carmen"],"dc:subject":["Agriculture, Agronomy","Agriculture, Plant Culture"],"dc:title":["Nitrogen levels and leaching effects on geranium (Pelargonium hortorum) stock plant growth under a Leca-based hydroculture system"],"dc:type":["text"],"thesis:degree_discipline":["Natural Resources and Environmental Sciences"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:25:19Z"}