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 | Acesso ao texto completo restrito à biblioteca da Embrapa Solos. Para informações adicionais entre em contato com cnps.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Solos. |
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Data corrente: |
04/12/2018 |
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Data da última atualização: |
17/04/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
FRAZÃO, J. J.; BENITES, V. de M.; RIBEIRO, J. V. S.; PIEROBON, V. M.; LAVRES, J. |
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Afiliação: |
JOAQUIM JOSÉ FRAZÃO, USP/CENA; VINICIUS DE MELO BENITES, CNPS; JOÃO VICTOR SCHIAVON RIBEIRO, USP/ESALQ; VITOR MATEUS PIEROBON, USP/ESALQ; JOSÉ LAVRES, USP/CENA. |
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Título: |
Agronomic effectiveness of a granular poultry litter-derived organomineral phosphate fertilizer in tropical soils: soil phosphorus fractionation and plant responses. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
Geoderma, v. 337, p. 582-593, Mar. 2019. |
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DOI: |
10.1016/j.geoderma.2018.10.003 |
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Idioma: |
Inglês |
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Conteúdo: |
Production of organomineral phosphate fertilizers (OMF) from poultry litter (PL) has been suggested to reduce the dependence on phosphorus (P) reserves. Here, we compared a granular PL-derived OMF to triple superphosphate (TSP) in two contrasting tropical soils (Oxisol and Entisol) by using isotope dilution with 32P. Our study aimed to gain insight into soil P fractionation, and P availability to maize plants achieved by P fertilization (0, 25, 50, 75 and 100 mg kg-1 of soil), in order to investigate the agronomic effectiveness of OMF. Despite u-XRF maps revealing that the mixture of PL and TSP as OMF resulted in P hot spots disseminated in a lowconcentration background, whereas for the TSP treatment higher P concentration was uniformly distributed in the granules, there was no difference in maize yield and fertilizer P recovery (%R) between P sources in both soils. In the Oxisol, there was no difference between fertilizers in any of the soil P pools, but larger readily phytoavailable P and smaller moderately labile P fractions were obtained with OMF. In the Entisol, the labile P pool was larger with TSP. Nevertheless, acid and alkaline phosphatase activity and microbial biomass were affected by P rate and P source. The results show that OMF is an effective substitute for conventional phosphate fertilizers, since OMF promotes P recovery, plant P uptake and biomass yields compared to those obtained with TSP. |
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Palavras-Chave: |
Fertilizante de liberação lenta; Fração de fósforo no solo. |
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Thesagro: |
Diluição Isotópica; Oxisol; Zea Mays. |
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Thesaurus Nal: |
Entisols; Oxisols. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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Marc: |
LEADER 02292naa a2200265 a 4500
001 2100683
005 2019-04-17
008 2019 bl uuuu u00u1 u #d
024 7 $a10.1016/j.geoderma.2018.10.003$2DOI
100 1 $aFRAZÃO, J. J.
245 $aAgronomic effectiveness of a granular poultry litter-derived organomineral phosphate fertilizer in tropical soils$bsoil phosphorus fractionation and plant responses.$h[electronic resource]
260 $c2019
520 $aProduction of organomineral phosphate fertilizers (OMF) from poultry litter (PL) has been suggested to reduce the dependence on phosphorus (P) reserves. Here, we compared a granular PL-derived OMF to triple superphosphate (TSP) in two contrasting tropical soils (Oxisol and Entisol) by using isotope dilution with 32P. Our study aimed to gain insight into soil P fractionation, and P availability to maize plants achieved by P fertilization (0, 25, 50, 75 and 100 mg kg-1 of soil), in order to investigate the agronomic effectiveness of OMF. Despite u-XRF maps revealing that the mixture of PL and TSP as OMF resulted in P hot spots disseminated in a lowconcentration background, whereas for the TSP treatment higher P concentration was uniformly distributed in the granules, there was no difference in maize yield and fertilizer P recovery (%R) between P sources in both soils. In the Oxisol, there was no difference between fertilizers in any of the soil P pools, but larger readily phytoavailable P and smaller moderately labile P fractions were obtained with OMF. In the Entisol, the labile P pool was larger with TSP. Nevertheless, acid and alkaline phosphatase activity and microbial biomass were affected by P rate and P source. The results show that OMF is an effective substitute for conventional phosphate fertilizers, since OMF promotes P recovery, plant P uptake and biomass yields compared to those obtained with TSP.
650 $aEntisols
650 $aOxisols
650 $aDiluição Isotópica
650 $aOxisol
650 $aZea Mays
653 $aFertilizante de liberação lenta
653 $aFração de fósforo no solo
700 1 $aBENITES, V. de M.
700 1 $aRIBEIRO, J. V. S.
700 1 $aPIEROBON, V. M.
700 1 $aLAVRES, J.
773 $tGeoderma$gv. 337, p. 582-593, Mar. 2019.
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