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Registro Completo |
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
20/12/2006 |
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Data da última atualização: |
23/10/2024 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
KRZYZANOWSKI, F. C.; WEST, S. H.; FRANÇA-NETO, J. B. |
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Afiliação: |
FRANCISCO CARLOS KRZYZANOWSKI, CNPSO; SHERLIE HILL WEST, UNIVERSIDADE DA FLORIDA; JOSE DE BARROS FRANCA NETO, CNPSO. |
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Título: |
Drying soybean seed using air ambient temperature at low relative humidity. |
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Ano de publicação: |
2006 |
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Fonte/Imprenta: |
Revista Brasileira de Sementes, v. 28, n. 2, p. 77-83, 2006. |
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Idioma: |
Inglês |
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Conteúdo: |
Under subtropical and tropical environments soybean seed (Glycine max (L.) Merrill) are harvested early to avoid deterioration from weathering. Careful after-harvest drying is required and is an important step in maintaining the physiological quality of the seed. Soybean seed should be harvested when the moisture content is in a range of 16-20%. Traditional drying utilizes a high temperature air stream passed through the seed mass without dehumidification. The drying time is long because the system is inefficient and the high temperature increases the risk of thermal damage to the seed. New technology identified as heat pipe technology (HPT) is available and has the unique feature of removing the moisture from the air stream before it is passed through the seed mass at the same environmental temperature. Two studies were conducted to evaluate the performance of HPT for dry soybean seed. In the first study the seeds were dried from 17.5 to 11.1% in 2 hours and 29 minutes and in the second sudy the seeds were dried from 22.6 to 11.9% in 16 hours and 32 minutes. This drying process caused no reduction in seed quality as measured by the standard germination, tetrazolium-viability, accelerated aging and seedling vigor classification tests. The only parameter that indicated a slight seed quality reduction was tetrazolium vigor in the second study. It was concluded that the HPT system is a promising technology for drying soybean seed when efficiency and maintenance of physiological quality are desired. MenosUnder subtropical and tropical environments soybean seed (Glycine max (L.) Merrill) are harvested early to avoid deterioration from weathering. Careful after-harvest drying is required and is an important step in maintaining the physiological quality of the seed. Soybean seed should be harvested when the moisture content is in a range of 16-20%. Traditional drying utilizes a high temperature air stream passed through the seed mass without dehumidification. The drying time is long because the system is inefficient and the high temperature increases the risk of thermal damage to the seed. New technology identified as heat pipe technology (HPT) is available and has the unique feature of removing the moisture from the air stream before it is passed through the seed mass at the same environmental temperature. Two studies were conducted to evaluate the performance of HPT for dry soybean seed. In the first study the seeds were dried from 17.5 to 11.1% in 2 hours and 29 minutes and in the second sudy the seeds were dried from 22.6 to 11.9% in 16 hours and 32 minutes. This drying process caused no reduction in seed quality as measured by the standard germination, tetrazolium-viability, accelerated aging and seedling vigor classification tests. The only parameter that indicated a slight seed quality reduction was tetrazolium vigor in the second study. It was concluded that the HPT system is a promising technology for drying soybean seed when efficiency and maintenance of physiological... Mostrar Tudo |
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Thesagro: |
Semente; Soja; Vigor Hibrido. |
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Thesaurus Nal: |
Seeds; Soybeans; Vigor. |
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Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
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Marc: |
LEADER 02116naa a2200217 a 4500
001 1469732
005 2024-10-23
008 2006 bl uuuu u00u1 u #d
100 1 $aKRZYZANOWSKI, F. C.
245 $aDrying soybean seed using air ambient temperature at low relative humidity.$h[electronic resource]
260 $c2006
520 $aUnder subtropical and tropical environments soybean seed (Glycine max (L.) Merrill) are harvested early to avoid deterioration from weathering. Careful after-harvest drying is required and is an important step in maintaining the physiological quality of the seed. Soybean seed should be harvested when the moisture content is in a range of 16-20%. Traditional drying utilizes a high temperature air stream passed through the seed mass without dehumidification. The drying time is long because the system is inefficient and the high temperature increases the risk of thermal damage to the seed. New technology identified as heat pipe technology (HPT) is available and has the unique feature of removing the moisture from the air stream before it is passed through the seed mass at the same environmental temperature. Two studies were conducted to evaluate the performance of HPT for dry soybean seed. In the first study the seeds were dried from 17.5 to 11.1% in 2 hours and 29 minutes and in the second sudy the seeds were dried from 22.6 to 11.9% in 16 hours and 32 minutes. This drying process caused no reduction in seed quality as measured by the standard germination, tetrazolium-viability, accelerated aging and seedling vigor classification tests. The only parameter that indicated a slight seed quality reduction was tetrazolium vigor in the second study. It was concluded that the HPT system is a promising technology for drying soybean seed when efficiency and maintenance of physiological quality are desired.
650 $aSeeds
650 $aSoybeans
650 $aVigor
650 $aSemente
650 $aSoja
650 $aVigor Hibrido
700 1 $aWEST, S. H.
700 1 $aFRANÇA-NETO, J. B.
773 $tRevista Brasileira de Sementes$gv. 28, n. 2, p. 77-83, 2006.
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Registro original: |
Embrapa Soja (CNPSO) |
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| 1. |  | OLIVEIRA JUNIOR, R. C. de; KELLER, M. M.; RAMOS, J. F. da F.; BELDINI, T. P.; CRILL, P. M.; CAMARGO, P. B. de; HAREN, J. van. Chemical analysis of rainfall and throughfall in the Tapajós National Forest, Belterra, Pará, Brazil. Revista Ambiente & Água, v. 10, n. 2, p. 263-285, abr./jun. 2015.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 1 |
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