Produção de variedades de alface sob diferentes potenciais de água no solo em ambiente protegido

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dc.contributor.authorMaggi, Marcio Furlan
dc.contributor.authorKlar, Antonio Evaldo [UNESP]
dc.contributor.authorJadoski, Cléber Junior [UNESP]
dc.contributor.authorAndrade, Antonio Ricardo Souza [UNESP]
dc.contributor.institutionUniversidade Estadual o Centro Oeste
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-27T11:21:53Z
dc.date.available2014-05-27T11:21:53Z
dc.date.issued2006-07-01
dc.description.abstractThe knowledge of meteorological elements in protected environment is very important for commercial plants, because of possibility to produce for all the year according to the study conduced in Botucatu - SP, in order to evaluate the effects of different irrigation treatments on three lettuce cultivars. (Lisa, Crespa and American). The study was developed in a polyethilene tunnel with orientation northeast/southwest (NE/SW) and the fertigation through drip irrigation. Leaf number, head diameter, fresh weigh, dry weigh, meteorological elements and evaporation from minievaporimeters were determined. Four treatments of minimum soil water potential were applied: 20, 28, 35 and 45 kPa and the results showed the treatment -35 kPa showed the highest lettuce production and maximurn water efficiency use. The highest productions occurred in May/June, July/September and September/November, while the worst one was in February/April. There was not significant difference of dry mass production among the treatments, independently of the year period with exception of the Crespa cultivar which was superior in September/November. The south face showed the highest evaporation.en
dc.description.affiliationDepartamento de Agronomia Universidade Estadual o Centro Oeste, Guarapuava, PR
dc.description.affiliationDepartamento de Engenharia Rural Faculdade de Ciências Agronômicas Universidade Estadual Paulista, Botucatu, SP
dc.description.affiliationUnespDepartamento de Engenharia Rural Faculdade de Ciências Agronômicas Universidade Estadual Paulista, Botucatu, SP
dc.format.extent415-427
dc.identifierhttp://200.145.140.50/ojs1/viewarticle.php?id=52&layout=abstract
dc.identifier.citationIrriga, v. 11, n. 3, p. 415-427, 2006.
dc.identifier.file2-s2.0-33750898311.pdf
dc.identifier.issn1413-7895
dc.identifier.scopus2-s2.0-33750898311
dc.identifier.urihttp://hdl.handle.net/11449/68934
dc.language.isopor
dc.relation.ispartofIrriga
dc.relation.ispartofsjr0,283
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjectEvaporation
dc.subjectIrrigation
dc.subjectLettuce
dc.subjectWater use efficiency
dc.subjectCrops
dc.subjectCultivation
dc.subjectFertilizers
dc.subjectProductivity
dc.subjectcrop production
dc.subjectdrip irrigation
dc.subjectevaporation
dc.subjectsoil water potential
dc.subjectwater use efficiency
dc.subjectLactuca
dc.titleProdução de variedades de alface sob diferentes potenciais de água no solo em ambiente protegidopt
dc.title.alternativeLettuce production under different soil water potencial in protected envirommenten
dc.typeArtigo
dcterms.licensehttp://irriga.fca.unesp.br/index.php/irriga/about
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Ciências Agronômicas, Botucatupt

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Artigos - Engenharia Rural - FCA