Brachiaria as a Cover Crop to Improve Phosphorus Use Efficiency in a No-till Oxisol

Página do item simplificado
dc.contributor.authorJanegitz, Moniki Campos [UNESP]
dc.contributor.authorSouza, Elialdo Alves de [UNESP]
dc.contributor.authorRosolem, Ciro Antonio [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2018-11-28T04:43:01Z
dc.date.available2018-11-28T04:43:01Z
dc.date.issued2016-01-01
dc.description.abstractOxidic soils are phosphorus drains in soil; hence, P availability is a limiting factor in tropical, weathered Oxidic soils. It has been shown that some brachiarias grown as cover crops may increase soil available P to subsequent crops. The objective of this study was to evaluate soil P cycling and availability, as well as the response of soybean to soluble and natural reactive phosphates as affected by ruzi grass (Urochloa ruziziensis, R. Germ. and C.M. Evrard, Crin) grown as a cover crop in a no-till system. Experimental treatments consisted of the presence or absence of ruzi grass in combination with a control (0.0 P) and soluble and reactive rock phosphate broadcast on the soil surface in the winter (80 kg ha(-1) P2O5), plus three rates of P applied to soybean furrows (0, 30, and 60 kg ha(-1) of P2O5) at planting, in the form of triple superphosphate. Soybean was cropped in two seasons: 2010/2011 and 2011/2012. Soil samples were taken before soybean planting (after desiccation of Brachiaria) at 0.00-0.05 and 0.05-0.10 m for soil available P. Total weight of dry matter and P accumulated in ruzi grass were determined, as well as soybean yields, P in soybean grains, and P use efficiency (PUE). The use of natural phosphate increased soil P availability. The highest yields were obtained with higher application rates of triple superphosphate in the planting furrow combined with broadcast rock phosphate. Broadcast application of Arad reactive phosphate increases and maintains soil available P, and this practice, associated with ruzi grass grown as a cover crop and the use of triple superphosphate applied to soybean furrows, results in higher use of P by soybeansen
dc.description.affiliationUniv Estadual Paulista, Fac Ciencias Agron, Dept Prod Vegetal, Programa Posgrad Prod Vegetal, Sao Paulo, Brazil
dc.description.affiliationUniv Estadual Paulista, Fac Ciencias Agron, Dept Prod Vegetal, Sao Paulo, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Fac Ciencias Agron, Dept Prod Vegetal, Programa Posgrad Prod Vegetal, Sao Paulo, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Fac Ciencias Agron, Dept Prod Vegetal, Sao Paulo, Brazil
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipIdFAPESP: 2010/03097-8
dc.format.extent9
dc.identifierhttp://dx.doi.org/10.1590/18069657rbcs20150128
dc.identifier.citationRevista Brasileira De Ciencia Do Solo. Vicosa: Soc Brasileira De Ciencia Do Solo, v. 40, 9 p., 2016.
dc.identifier.doi10.1590/18069657rbcs20150128
dc.identifier.fileS0100-06832016000100536.pdf
dc.identifier.issn0100-0683
dc.identifier.lattes5720775873259528
dc.identifier.orcid0000-0003-2001-0874
dc.identifier.scieloS0100-06832016000100536
dc.identifier.urihttp://hdl.handle.net/11449/165497
dc.identifier.wosWOS:000396234000009
dc.language.isoeng
dc.publisherSoc Brasileira De Ciencia Do Solo
dc.relation.ispartofRevista Brasileira De Ciencia Do Solo
dc.relation.ispartofsjr0,679
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.subjectavailable phosphorus
dc.subjectphosphorus use efficiency
dc.subjectcover crops
dc.titleBrachiaria as a Cover Crop to Improve Phosphorus Use Efficiency in a No-till Oxisolen
dc.typeArtigo
dcterms.rightsHolderSoc Brasileira De Ciencia Do Solo
unesp.author.lattes5720775873259528[3]
unesp.author.orcid0000-0003-2001-0874[3]
unesp.departmentProdução e Melhoramento Vegetal - FCApt

Arquivos

Pacote Original
Agora exibindo 1 - 1 de 1
Imagem de Miniatura
Nome:
S0100-06832016000100536.pdf
Tamanho:
270.81 KB
Formato:
Adobe Portable Document Format
Baixar

Coleções

Botucatu - FCA - Faculdade de Ciências Agronômicas