Publicação:
Phosphorus and potassium balance in soil under crop rotation and fertilization

dc.contributor.authorSteiner, Fabio [UNESP]
dc.contributor.authorPivetta, Laercio Augusto [UNESP]
dc.contributor.authorCastoldi, Gustavo [UNESP]
dc.contributor.authorSilva de Mendonca Costa, Monica Sarolli
dc.contributor.authorde Mendonca Costa, Luiz Antonio
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade Estadual do Oeste do Paraná (UNIOESTE)
dc.date.accessioned2014-05-20T13:21:09Z
dc.date.available2014-05-20T13:21:09Z
dc.date.issued2012-01-01
dc.description.abstractThe use of crop rotation and manure application can provide sustainability for an agricultural production system by improving soil quality and increasing nutrient use efficiency. This study aimed to evaluate the effect of mineral, organic and mineral+organic fertilization on grain yield and on soil phosphorus and potassium balance, in two crop systems under no-till, with and without rotation of cover crops. The experiment was carried out from 2006 to 2008 on a clayey Rhodic Hapludox in Marechal Candido Rondon, Parana State, Brazil. The cropping sequence in the rotation system involving cover crops was black oat + hairy vetch + forage turnip/corn/pigeon pea/wheat/mucuna + brachiaria + sunn hemp, and in the succession system was wheat/corn/wheat/soybean. Organic and mineral+organic fertilizations consisted of the application of solely manure and manure combined with mineral fertilizer, respectively. Soil P and K balances were calculated after the second year of the experiment, up to a depth of 0.40 m. First year corn yields were higher in the crop succession system accompanied by mineral fertilization. In the second year, wheat and soybean yield did not vary between crop systems and nutrient sources, demonstrating the residual effect of crop rotation and manure use. Crop rotation with cover crops resulted in an increase in soil K levels by promoting the recycling of this nutrient in the soil. In both crop systems, the application of mineral and organic fertilizers - either in isolation or in combination - resulted in a negative soil P and K balance in the short term. This represents a threat to the sustainability of the agricultural production system in the long term, due to the depletion of soil nutrient reserves.en
dc.description.affiliationUniv Estadual Paulista, UNESP, FCA, Dept Prod Vegetal, Botucatu, SP, Brazil
dc.description.affiliationUniversidade Estadual do Oeste do Paraná (UNIOESTE), UNIOESTE, Ctr Ciencias Exatas & Tecnol, Cascavel, PR, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, UNESP, FCA, Dept Prod Vegetal, Botucatu, SP, Brazil
dc.format.extent2173-2186
dc.identifierhttp://dx.doi.org/10.5433/1679-0359.2012v33n6p2173
dc.identifier.citationSemina-ciencias Agrarias. Londrina: Universidade Estadual de Londrina (UEL), v. 33, n. 6, p. 2173-2186, 2012.
dc.identifier.doi10.5433/1679-0359.2012v33n6p2173
dc.identifier.fileWOS000314514200014.pdf
dc.identifier.issn1676-546X
dc.identifier.urihttp://hdl.handle.net/11449/6046
dc.identifier.wosWOS:000314514200014
dc.language.isoeng
dc.publisherUniversidade Estadual de Londrina (UEL)
dc.relation.ispartofSemina: Ciências Agrárias
dc.relation.ispartofjcr0.349
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.subjectOrganic fertilizationen
dc.subjectfertilizeren
dc.subjectcover cropsen
dc.subjectsoil nutrienten
dc.subjectno-tillen
dc.titlePhosphorus and potassium balance in soil under crop rotation and fertilizationen
dc.typeArtigo
dcterms.licensehttp://www.uel.br/revistas/uel/index.php/semagrarias/about/editorialPolicies#openAccessPolicy
dcterms.rightsHolderUniversidade Estadual de Londrina (UEL)
dspace.entity.typePublication
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Ciências Agronômicas, Botucatupt
unesp.departmentProdução e Melhoramento Vegetal - FCApt

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