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Registro Completo |
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Biblioteca(s): |
Epagri-Sede. |
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Data corrente: |
14/06/2005 |
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Data da última atualização: |
14/06/2005 |
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Autoria: |
ERNANI, P.R.; NASCIMENTO, J.A.L.; OLIVEIRA, L.C. |
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Afiliação: |
Epagri |
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Título: |
Increase of grain and green matter of corn by liming. |
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Ano de publicação: |
1998 |
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Fonte/Imprenta: |
Revista Brasileira de Ciencia do Solo, Campinas, v.22, n.2, 275-280, 1998. |
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Idioma: |
Inglês |
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Conteúdo: |
Despite the fact aluminium toxicity to crops is eliminated near soil water pH of 5.5, lime recommendation in many regions aims to increase soil pH up to 6.0 or even higher. For highly buffered soils, high rates of limestone are required to raise the pH from 5.5 to 6.0, resulting in additional, sometimes unnecessary, costs. The ojetive of this study was to evaluate the effect of soil pH on corn yiel in a very acid Hapludox. The experiment was carried out in Lages, Southern Brazil, from 1992 to 1996. The soil had water pH of 4.7 Al of 33 mmol kg, O.M. of 45 g kg and lime requirement to pH 6.0 of 9.0 t ha. Dolomitic limestoneat rates of0,4.5,9.0, 13.5 and 18.0 t ha (equivalent to pure CaCo) was incorpored into the soil down to 17 cm depth, in 1992. Liming increased linearly the values of soil pH (from 4.7 to 6.6) and Ca and Mg, eliminated Al with rates of 9.0 t ha or higher, decreased slightly Al-CuCl Fe and Cu, and did not affect Zn and Mn Maximum average corn yield for grain (7.9 t ha) and for green matter for silage (GM) 59 t ha) was obtained, respectively, at soil pH of 6.0 (12 t ha limestone) and of 6.1 (14 t ha of limestone); maximum economic efficiency for grain was obtained at pH 5.6 (7.5 t ha of limestone). Maximum vield increments due to liming were 17% for grain and 20% for GM. |
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Palavras-Chave: |
Acid soils; Calagem; Corn; Liming; Milho; pH; Silage; Silagem; Solo acido. |
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Categoria do assunto: |
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Marc: |
LEADER 01932naa a2200253 a 4500
001 1036713
005 2005-06-14
008 1998 bl uuuu u00u1 u #d
100 1 $aERNANI, P.R.
245 $aIncrease of grain and green matter of corn by liming.
260 $c1998
520 $aDespite the fact aluminium toxicity to crops is eliminated near soil water pH of 5.5, lime recommendation in many regions aims to increase soil pH up to 6.0 or even higher. For highly buffered soils, high rates of limestone are required to raise the pH from 5.5 to 6.0, resulting in additional, sometimes unnecessary, costs. The ojetive of this study was to evaluate the effect of soil pH on corn yiel in a very acid Hapludox. The experiment was carried out in Lages, Southern Brazil, from 1992 to 1996. The soil had water pH of 4.7 Al of 33 mmol kg, O.M. of 45 g kg and lime requirement to pH 6.0 of 9.0 t ha. Dolomitic limestoneat rates of0,4.5,9.0, 13.5 and 18.0 t ha (equivalent to pure CaCo) was incorpored into the soil down to 17 cm depth, in 1992. Liming increased linearly the values of soil pH (from 4.7 to 6.6) and Ca and Mg, eliminated Al with rates of 9.0 t ha or higher, decreased slightly Al-CuCl Fe and Cu, and did not affect Zn and Mn Maximum average corn yield for grain (7.9 t ha) and for green matter for silage (GM) 59 t ha) was obtained, respectively, at soil pH of 6.0 (12 t ha limestone) and of 6.1 (14 t ha of limestone); maximum economic efficiency for grain was obtained at pH 5.6 (7.5 t ha of limestone). Maximum vield increments due to liming were 17% for grain and 20% for GM.
653 $aAcid soils
653 $aCalagem
653 $aCorn
653 $aLiming
653 $aMilho
653 $apH
653 $aSilage
653 $aSilagem
653 $aSolo acido
700 1 $aNASCIMENTO, J.A.L.
700 1 $aOLIVEIRA, L.C.
773 $tRevista Brasileira de Ciencia do Solo, Campinas$gv.22, n.2, 275-280, 1998.
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| 5. |  | OLIVEIRA, L. C. P.; HAWERROTH, M. C.; VALE, E. H.; BORDALLO, P. N. Fontes de tolerância ao mofo-preto em progênies de cajueiro. In: CONGRESSO DE PÓS-GRADUAÇÃO DA UFLA, 24., 2015, Lavras, MG. Anais... Lavras, MG: UFLA, 2015. p. 1-6.| Tipo: Resumo em Anais de Congresso |
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| 6. | | ERNANI, P.R.; NASCIMENTO, J.A.; FREITAS, E.G.de; OLIVEIRA, L.C.de. O milho nao precisa de pH muito elevado em solos que tenham bastante materia organica, mesmo possuindo aluminio trocavel alto. In: CONGRESSO BRASILEIRO DE CIENCIA DO SOLO, 25., 1995, Vicosa, MG. Resumos expandidos... Vicosa, MG: SBCS/UFV, 1995. p.1059-1060, v.2.| Biblioteca(s): Epagri-Sede. |
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| 7. | | HAWERROTH, M. C.; VALE, E. H.; OLIVEIRA, L. C. P.; HAWERROTH, F. J.; BORDALLO, P. N.; VIDAL NETO, F. C.; MELO, D. S. Busca por fontes de resistência a doenças de importância na cultura do cajueiro com base no comportamento de progênies. Fortaleza, CE: Embrapa Agroindústria Tropical, 2017. 28 p. (Embrapa Industria Tropical. Boletim de Pesquisa e Desenvolvimento, 143).| Tipo: Boletim de Pesquisa e Desenvolvimento |
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