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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/6275
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dc.contributor.authorLobo, Thomaz Figueiredo-
dc.contributor.authorGrassi Filho, Hélio-
dc.date.accessioned2014-05-20T13:21:41Z-
dc.date.available2014-05-20T13:21:41Z-
dc.date.issued2009-01-01-
dc.identifierhttp://dx.doi.org/10.4067/S0718-27912009000300007-
dc.identifier.citationRevista de La Ciência Del Suelo Y Nutricion Vegetal. Temuco: Soc Chilena Ciência Suelo, v. 9, n. 3, p. 245-255, 2009.-
dc.identifier.issn0717-635X-
dc.identifier.urihttp://hdl.handle.net/11449/6275-
dc.description.abstractThis study aimed to evaluate the effect of substituting chemical nitrogen (N) fertilization for equivalent N levels from sewage sludge of Wastewater Treatment Plant (WTP) on sunflower plant development. Nutrient levels in physiologically mature leaves and seeds, besides nutrient exportation during a 130-day assay, were also assessed. The experiment was carried out in 100 m(2) permanent plots at Sao Manuel Farm, which belongs to School of Agronomical Sciences, São Paulo State University-UNESP, Botncatu, São Paulo State, Brazil. The farm is located in the municipality of Sao Manuel, São Paulo State. Experimental design was in randomized blocks including 5 treatments and 5 replicates. Treatments were: T1 - chemical N fertilization according to the recommendation for the culture; T2 - 50% N from sewage sludge and 50% N from chemical fertilization; T3 - 100% N from sewage sludge; T4 - 150% N from sewage sludge; T5 - 200% N from sewage sludge. For all treatments, equal amounts of P and K fertilization were applied. Treatments differed for plant height from 21 to 64 days, stern diameter from 28 to 57 days, and leaf number from 21 to 38 days. Seed nutrient levels slightly varied; however, the quantities of exported N, P, Mg, Fe and Zn varied as sewage sludge levels increased.en
dc.format.extent245-255-
dc.language.isoeng-
dc.publisherSoc Chilena Ciência Suelo-
dc.sourceWeb of Science-
dc.subjectmanureen
dc.subjectbiosolids and nitrogenen
dc.titleSewage sludge levels on the development and nutrition of sunflower plantsen
dc.typeoutro-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationUNESP, Fac Ciencias Agron Botucatu, BR-18610307 Botucatu, SP, Brazil-
dc.description.affiliationUnespUNESP, Fac Ciencias Agron Botucatu, BR-18610307 Botucatu, SP, Brazil-
dc.identifier.scieloS0718-27912009000300007-
dc.identifier.wosWOS:000273003400007-
dc.rights.accessRightsAcesso aberto-
dc.identifier.fileS0718-27912009000300007-en.pdf-
dc.relation.ispartofRevista de La Ciência Del Suelo Y Nutricion Vegetal-
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