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dc.contributor.authorSILVA, A. O. dapt_BR
dc.contributor.authorSILVA, D. J.pt_BR
dc.contributor.authorBASSOI, L. H.pt_BR
dc.date.accessioned2016-07-11T11:11:11Zpt_BR
dc.date.available2016-07-11T11:11:11Zpt_BR
dc.date.created2016-07-11pt_BR
dc.date.issued2016pt_BR
dc.identifier.citationCiência e Agrotecnologia, Lavras, v. 40, n. 3, p. 305-316, 2016.pt_BR
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1048514pt_BR
dc.descriptionIn the semiarid region of Brazil the use of irrigation systems for applying fertilizers in horticulture is the primary means for incorporating nutrients in the soil. However, this technique still requires its use in wine vines to be assessed. In view of this, this study aimed to assess nitrate and potassium concentrations in soil fertigated with nitrogen and potassium fertilizers in 3 wine grape growing cycles. A field experiment was conducted with ‘Syrah’ wine grapes, in Petrolina, Pernambuco, Brazil; it assessed five nitrogen doses (0, 15, 30, 60 and 120 kg ha-1) and five K2O doses (0, 15, 30, 60 and 120 kg ha-1) applied by drip irrigation system with two emitters per plant, with a flow rate of 4 L h-1. The experimental design used was the factorial split-plot, making up 13 combinations arranged in 4 randomized blocks. Soil solution samples were collected weekly with the aid of porous cup extractors for all treatments and at depths of 0.4 and 0.6 m by determining nitrate and potassium concentrations and electrical conductivity. Increased levels of both nutrients in the irrigation water increased the availability of nitrate and potassium in the soil solution. The highest nitrate and potassium concentrations were found in the second growing cycle at both depths studied.pt_BR
dc.language.isoengeng
dc.rightsopenAccesseng
dc.titleNitrate and potassium concentration in fertigated soil cultivated with wine vines.pt_BR
dc.typeArtigo de periódicopt_BR
dc.date.updated2017-02-03T11:11:11Zpt_BR
dc.subject.thesagroUvapt_BR
dc.subject.thesagroFertirrigaçãopt_BR
dc.subject.thesagroAdubaçãopt_BR
dc.subject.thesagroSolopt_BR
dc.subject.thesagroNitratopt_BR
dc.subject.thesagroPotássiopt_BR
dc.subject.thesagroSolução do Solopt_BR
dc.subject.thesagroVitis Viniferapt_BR
dc.subject.nalthesaurusSoil solutionpt_BR
dc.subject.nalthesaurusFertigationpt_BR
dc.subject.nalthesaurusGrapespt_BR
riaa.ainfo.id1048514pt_BR
riaa.ainfo.lastupdate2017-02-03pt_BR
dc.identifier.doi10.1590/1413-70542016403042215pt_BR
dc.contributor.institutionALEXSANDRO OLIVEIRA DA SILVA, Universidade Federal Rural de Pernambuco/UFRPE, Engenharia Agrícola, Recife, PE; DAVI JOSE SILVA, CPATSA; LUIS HENRIQUE BASSOI, CNPDIA.pt_BR
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