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Registros recuperados : 491 | |
44. | | SFREDO, G. J.; MIRANDA, L. C. Testaram-se oito linhagens BRAS de soja, tolerância à acidez do solo, com várias doses de mistura entre calcário calcítico e dolomítico, nas safras 90/91 e 91/92, no LEa de Ponta Grossa, PR. In: EMBRAPA SOJA. Resultados de pesquisa de soja 1991/92. Londrina, 1999. pt. 1. p. 367,382. (Embrapa Soja. Documentos, 138). Biblioteca(s): Embrapa Soja. |
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49. | | HITSUDA, K.; SFREDO, G. J.; KLEPKER, D. Capacidade de suprimento de enxofre e micronutirentes em dois solos de cerrado do Nordeste do Brasil: parte 1 - enxofre como o primeiro fator limitante do crescimento de soja. In: REUNIAO BRAS. FERTILIDADE DO SOLO E NUTRICAO DE PLANTAS, 25.; REUNIAO BRASILEIRA SOBRE MICORRIZAS,8.; SIMPOSIO BRASILEIRO DE MICROBIOLOGIA DO SOLO, 6.; REUNIAO BRASILEIRA DE BIOLOGIA DO SOLO, 3., 2000, Santa Maria, RS. Fertbio 2000: biodinamica do solo. [S.l.: s.n.], 2000. nao paginado. Biblioteca(s): Embrapa Cerrados. |
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50. | | HITSUDA, K.; SFREDO, G. J.; KLEPKER, D. Capacidade de suprimento de enxofre e micronutirentes em dois solos de cerrado do Nordeste do Brasil: parte 2 - previsao da aplicacao de enxofre para soja. In: REUNIAO BRAS. FERTILIDADE DO SOLO E NUTRICAO DE PLANTAS, 25.; REUNIAO BRASILEIRA SOBRE MICORRIZAS,8.; SIMPOSIO BRASILEIRO DE MICROBIOLOGIA DO SOLO, 6.; REUNIAO BRASILEIRA DE BIOLOGIA DO SOLO, 3., 2000, Santa Maria, RS. Fertbio 2000: biodinamica do solo. [S.l.: s.n.], 2000. nao paginado. Biblioteca(s): Embrapa Cerrados. |
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54. | | HITSUDA, K.; SFREDO, G. J.; KLEPKER, D. Capacidade de suprimento de enxofre e micronutrientes em dois solos de Cerrado do nordeste do Brasil: parte 1 - enxofre como o primeiro fator limitante do crescimento de soja. In: REUNIAO BRASILEIRA DE FERTILIDADE DO SOLO E NUTRICAO DE PLANTAS, 24.; REUNIAO BRASILEIRA SOBRE MICORRIZAS, 8.; SIMPOSIO BRASILEIRO DE MICROBIOLOGIA DO SOLO, 6.; REUNIAO BRASILEIRA DE BIOLOGIA DO SOLO, 3., 2000, Santa Maria. Fertbio 2000: biodinamica do solo. Santa Maria: UFSM/Departamento de Solos, 2000. 1 CD-ROM. Sessao posteres. Biblioteca(s): Embrapa Soja. |
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55. | | HITSUDA, K.; SFREDO, G. J.; KLEPKER, D. Capacidade de suprimento de enxofre e micronutrientes em dois solos de Cerrado do nordeste do Brasil: parte 2 - previsao da aplicacao de enxofre para soja. In: REUNIAO BRASILEIRA DE FERTILIDADE DO SOLO E NUTRICAO DE PLANTAS, 24.; REUNIAO BRASILEIRA SOBRE MICORRIZAS, 8.; SIMPOSIO BRASILEIRO DE MICROBIOLOGIA DO SOLO, 6.; REUNIAO BRASILEIRA DE BIOLOGIA DO SOLO, 3., 2000, Santa Maria. Fertbio 2000: biodinamica do solo. Santa Maria: UFSM/Departamento de Solos, 2000. 1 CD-ROM. Sessao posteres. Biblioteca(s): Embrapa Soja. |
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Registros recuperados : 491 | |
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| Acesso ao texto completo restrito à biblioteca da Embrapa Soja. Para informações adicionais entre em contato com valeria.cardoso@embrapa.br. |
Registro Completo
Biblioteca(s): |
Embrapa Soja. |
Data corrente: |
22/02/2005 |
Data da última atualização: |
30/06/2005 |
Autoria: |
HITSUDA, K.; SFREDO, G. J.; KLEPKER, D. |
Título: |
Diagnosis of sulfur deficiency in soybean using seeds. |
Ano de publicação: |
2004 |
Fonte/Imprenta: |
Soil Science Society of America Journal, Madison, v. 68, p.1445-1451, July/Ago. 2004. |
Idioma: |
Inglês |
Conteúdo: |
The objectives of this study were to obtain a reliable index for the evaluation of the S nutrition status in soybean [Glycine Max (L.) Merr.] and to identify the critical S level in relation to seed yield and quality. Two Oxisols were used: A-horizon soil from Serra dos Gerais, and A- and B-horizon soils from Sambaiba in Maranhão State, Brazil. Soybean plants in pots were grown in a greenhouse with the supply of 0 to 80 mg S kg-1 soil. The seed S concentration was a more reliable index of seed yield because of the higher correlation between S concentration and yield. In the plants with visible symptoms of S deficiency, the seeds contained 1.5 g S kg-1, and the seed yield was 60% of the control. Electrophoresis analysis indicated that the critical seed S concentration for deficiency of protein components was 2.0 g kg-1 when the yield was 80% of the control. The S concentration was 2.3 g kg-1 or higher for >90% yield when the composition of the protein components was identical with that in the original seeds obtained under sufficient S fertilization. We classified the S concentration in the seeds as: deficient (S < 1.5 g kg-1), very low (1.5 S < 2.0 g kg-1), low (2.0 S < 2.3 g kg-1), and normal (2.3 g kg-1 S). Because of stable S concentration, easy sampling, and sufficient time for planning of fertilizer application for the subsequent cropping, seed analysis is preferable to leaf analysis. |
Categoria do assunto: |
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Marc: |
LEADER 01842naa a2200145 a 4500 001 1467794 005 2005-06-30 008 2004 bl --- 0-- u #d 100 1 $aHITSUDA, K. 245 $aDiagnosis of sulfur deficiency in soybean using seeds. 260 $c2004 520 $aThe objectives of this study were to obtain a reliable index for the evaluation of the S nutrition status in soybean [Glycine Max (L.) Merr.] and to identify the critical S level in relation to seed yield and quality. Two Oxisols were used: A-horizon soil from Serra dos Gerais, and A- and B-horizon soils from Sambaiba in Maranhão State, Brazil. Soybean plants in pots were grown in a greenhouse with the supply of 0 to 80 mg S kg-1 soil. The seed S concentration was a more reliable index of seed yield because of the higher correlation between S concentration and yield. In the plants with visible symptoms of S deficiency, the seeds contained 1.5 g S kg-1, and the seed yield was 60% of the control. Electrophoresis analysis indicated that the critical seed S concentration for deficiency of protein components was 2.0 g kg-1 when the yield was 80% of the control. The S concentration was 2.3 g kg-1 or higher for >90% yield when the composition of the protein components was identical with that in the original seeds obtained under sufficient S fertilization. We classified the S concentration in the seeds as: deficient (S < 1.5 g kg-1), very low (1.5 S < 2.0 g kg-1), low (2.0 S < 2.3 g kg-1), and normal (2.3 g kg-1 S). Because of stable S concentration, easy sampling, and sufficient time for planning of fertilizer application for the subsequent cropping, seed analysis is preferable to leaf analysis. 700 1 $aSFREDO, G. J. 700 1 $aKLEPKER, D. 773 $tSoil Science Society of America Journal, Madison$gv. 68, p.1445-1451, July/Ago. 2004.
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