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	Provedor de dados Scientia Agricola (1) Rev. Bras. Ciênc. Solo (1) Autor Ambrosini,Vítor Gabriel (1) Brunetto,Gustavo (1) Comin,Jucinei José (1) Gatiboni,Luciano Colpo (1) He,Zhenli L. (1) Merlin,Alexandre (1) Rheinheimer,Danilo (1) Rosolem,Ciro Antonio (1) Schmitt,Djalma Eugênio (1) Tiecher,Tadeu Luis (1) Tiecher,Tales (1) Mais... Palavra-chave Organic P (2) Crop rotation (1) Manure (1) No-till (1) Orthophosphate (1) P-NMR (1) Phosphorus fractionation (1) Mais... Tipo do documento Info:eu-repo/semantics/article (2) Ano 2021 (1) 2014 (1) País Brazil (2) Idioma Inglês (2)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 2 Primeira ... 1 ... Última Congo grass grown in rotation with soybean affects phosphorus bound to soil carbon Rev. Bras. Ciênc. Solo Merlin,Alexandre; He,Zhenli L.; Rosolem,Ciro Antonio. The phosphorus supply to crops in tropical soils is deficient due to its somewhat insoluble nature in soil, and addition of P fertilizers has been necessary to achieve high yields. The objective of this study was to examine the mechanisms through which a cover crop (Congo grass - Brachiaria ruziziensis) in rotation with soybean can enhance soil and fertilizer P availability using long-term field trials and laboratory chemical fractionation approaches. The experimental field had been cropped to soybean in rotation with several species under no-till for six years. An application rate of no P or 240 kg ha-1 of P2O5 had been applied as triple superphosphate or as Arad rock phosphate. In April 2009, once more 0.0 or 80.0 kg ha-1 of P2O5 was applied to the same... Tipo: Info:eu-repo/semantics/article Palavras-chave: Crop rotation; No-till; Organic P; Phosphorus fractionation. Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832014000300020 Phosphorus accumulation in a southern Brazilian Ultisol amended with pig manure for nine years Scientia Agricola Tiecher,Tales; Brunetto,Gustavo; Rheinheimer,Danilo; Gatiboni,Luciano Colpo; Comin,Jucinei José; Schmitt,Djalma Eugênio; Tiecher,Tadeu Luis; Ambrosini,Vítor Gabriel. ABSTRACT: This study evaluated P pools after nine years of successive application of either pig slurry (PS) or deep pig litter (DL) in a no-till Ultisol from southern Brazil. The experiment was established in Dec 2002 with the treatments control, application of 90 and 180 kg N ha−1 N as PS and as DL. In Mar 2010, soil samples were taken at six layers up to 30 cm deep. Total organic and inorganic P were assessed by the ignition method, and P compounds classes were evaluated by 31P-NMR spectroscopy. Total soil P increased proportionally with the P amount applied via DL and PS. Only DL application increased soil organic P, mainly at the highest dose and in the uppermost soil layers. The application of high doses of manure to these soils under no-till to meet... Tipo: Info:eu-repo/semantics/article Palavras-chave: P-NMR; Organic P; Manure; Orthophosphate. Ano: 2021 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162021000301403 Registros recuperados: 2 Primeira ... 1 ... Última

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