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Biblioteca(s): |
Embrapa Cerrados. |
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Data corrente: |
25/02/2021 |
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Data da última atualização: |
25/02/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
OLIVEIRA, L. E. Z.; SOUSA, D. M. G. de; FIGUEIREDO, C. C.; NUNES, R. de S.; MALAQUIAS, J. V. |
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Afiliação: |
DJALMA MARTINHAO GOMES DE SOUSA, CPAC; RAFAEL DE SOUZA NUNES, CPAC; JUACI VITORIA MALAQUIAS, CPAC. |
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Título: |
Long-term phosphate fertilization strategies evaluation in a Brazilian Oxisol. |
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Ano de publicação: |
2020 |
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Fonte/Imprenta: |
Agronomy Journal, v. 112, n. 5, p. 4303-4320, 2020. |
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Páginas: |
p. 4303-4320 |
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Idioma: |
Inglês |
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Conteúdo: |
There are concerns related to the application of phosphate fertilizers to weathered soils that present low soil test phosphorus (STP) due to P adsorption in iron oxyhydroxides. Furthermore, long-term trials are needed to evaluate crop response to corrective P fertilization and its interaction with different maintenance P fertilization strategies in these soils. An experiment involving the combination of three initial corrective P fertilization schemes (control without P correction or with the application of 105 kg P ha−1 as triple superphosphate [TSP] or reactive rock phosphate [RRP]), four Pmaintenance strategies (a controlwithout the application of maintenance P, or 35 kg P ha−1 yr−1 as TSP, RRP, or a mix of both) and two application methods was cultivated during 16 yr at the Embrapa Cerrados experimental station in Planaltina, DF, Brazil. Corrective P fertilization promoted an early crop yield response. In contrast, high crop yields were only obtained in control treatments with no corrective P fertilization after soil P stocks were increased to a minimum level. With increasing P stocks, broadcast application resulted in slightly better yields. The required residual P stocks in soil to obtain high yields were estimated as equivalent to 113.6 and 205.2 kg P ha−1 for TSP and RRP, respectively. These values allow for STP contents to increase to critical levels, whose value for TSP of 4.1 mg kg−1 Mehlich-1 P is below that recommended for the region, possibly due to the contribution of organic P forms in the long-term no-tillage system MenosThere are concerns related to the application of phosphate fertilizers to weathered soils that present low soil test phosphorus (STP) due to P adsorption in iron oxyhydroxides. Furthermore, long-term trials are needed to evaluate crop response to corrective P fertilization and its interaction with different maintenance P fertilization strategies in these soils. An experiment involving the combination of three initial corrective P fertilization schemes (control without P correction or with the application of 105 kg P ha−1 as triple superphosphate [TSP] or reactive rock phosphate [RRP]), four Pmaintenance strategies (a controlwithout the application of maintenance P, or 35 kg P ha−1 yr−1 as TSP, RRP, or a mix of both) and two application methods was cultivated during 16 yr at the Embrapa Cerrados experimental station in Planaltina, DF, Brazil. Corrective P fertilization promoted an early crop yield response. In contrast, high crop yields were only obtained in control treatments with no corrective P fertilization after soil P stocks were increased to a minimum level. With increasing P stocks, broadcast application resulted in slightly better yields. The required residual P stocks in soil to obtain high yields were estimated as equivalent to 113.6 and 205.2 kg P ha−1 for TSP and RRP, respectively. These values allow for STP contents to increase to critical levels, whose value for TSP of 4.1 mg kg−1 Mehlich-1 P is below that recommended for the regio... Mostrar Tudo |
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Thesagro: |
Fertilizante Fosfatado; Rendimento; Solo; Tratamento do Solo. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02254naa a2200229 a 4500
001 2130287
005 2021-02-25
008 2020 bl uuuu u00u1 u #d
100 1 $aOLIVEIRA, L. E. Z.
245 $aLong-term phosphate fertilization strategies evaluation in a Brazilian Oxisol.$h[electronic resource]
260 $c2020
300 $ap. 4303-4320
520 $aThere are concerns related to the application of phosphate fertilizers to weathered soils that present low soil test phosphorus (STP) due to P adsorption in iron oxyhydroxides. Furthermore, long-term trials are needed to evaluate crop response to corrective P fertilization and its interaction with different maintenance P fertilization strategies in these soils. An experiment involving the combination of three initial corrective P fertilization schemes (control without P correction or with the application of 105 kg P ha−1 as triple superphosphate [TSP] or reactive rock phosphate [RRP]), four Pmaintenance strategies (a controlwithout the application of maintenance P, or 35 kg P ha−1 yr−1 as TSP, RRP, or a mix of both) and two application methods was cultivated during 16 yr at the Embrapa Cerrados experimental station in Planaltina, DF, Brazil. Corrective P fertilization promoted an early crop yield response. In contrast, high crop yields were only obtained in control treatments with no corrective P fertilization after soil P stocks were increased to a minimum level. With increasing P stocks, broadcast application resulted in slightly better yields. The required residual P stocks in soil to obtain high yields were estimated as equivalent to 113.6 and 205.2 kg P ha−1 for TSP and RRP, respectively. These values allow for STP contents to increase to critical levels, whose value for TSP of 4.1 mg kg−1 Mehlich-1 P is below that recommended for the region, possibly due to the contribution of organic P forms in the long-term no-tillage system
650 $aFertilizante Fosfatado
650 $aRendimento
650 $aSolo
650 $aTratamento do Solo
700 1 $aSOUSA, D. M. G. de
700 1 $aFIGUEIREDO, C. C.
700 1 $aNUNES, R. de S.
700 1 $aMALAQUIAS, J. V.
773 $tAgronomy Journal$gv. 112, n. 5, p. 4303-4320, 2020.
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| 86. |  | DANTAS, W. de M. F.; RIBEIRO FILHO, J. D.; GUIMARÃES, J. D.; GUIMARÃES, S. E. F. Perfil metabólico e ponderal de leitões submetidos a dietas com diferentes teores de fósforo em ambientes térmicos distintos. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 49, n. 11, p. 901-910, nov. 2014. Título em inglês: Metabolic profile and body weight of piglets fed with different levels of phosphorus in distinct thermal environments.| Biblioteca(s): Embrapa Unidades Centrais. |
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| 91. | | MESQUITA, A. L. M.; GUIMARAES, J. A.; BRAGA SOBRINHO, R.; AZEVEDO, F. R. Pragas do antúrio. In: CASTRO, A. C. R. de; TERAO, D.; CARVALHO, A. C. P. P. de; LOGES, V. (Ed.). Antúrio. 2. ed. Brasília, DF: Embrapa, 2014.| Tipo: Capítulo em Livro Técnico-Científico |
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| 92. | | GUIMARAES, J. A.; ABREU, D. V.; VIDAL, M. C.; MOURA, A. P. de; MICHEREFF FILHO, M. Entomofauna associada a quatro espécies de plantas aromáticas. Horticultura Brasileira, Brasília, DF, v. 30, n. 2, p. S6420-S6425, jul. 2012. Suplemento. Trabalho apresentado no 52. Congresso Brasileiro de Olericultura, Salvador, 2012.| Tipo: Artigo em Anais de Congresso |
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| 95. | | SANTOS, W. G. N.; FERNANDES, E. C.; SOUZA, M. M.; GUIMARAES, J. A.; ARAUJO, E. L. First record of Eucoilinae (Hymenoptera: Figitidae), parasitoids of African fig fly Zaprionus indianus Gupta (Diptera: Drosophilidae), in the Caatinga biome. Semina. Ciências Agrárias, Londrina, v. 37, n. 5, p. 3055-3058, set./out. 2016| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 1 |
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