Data/hora: 17/06/2024 17:29:11

Biblioteca(s): | Embrapa Soja.
Data corrente: | 20/05/1993
Data da última atualização: | 27/10/2004
Autoria: | REIS, E. C.; PRADO, W. M. B.; SEDIYAMA, T.; ROCHA, V. S.
Título: | Estimated grain losses and seed damage due to mechanical harvesting of soybeans.
Ano de publicação: | 1989
Fonte/Imprenta: | In: CONFERENCIA MUNDIAL DE INVESTIGACION EN SOJA, 4., 1989, Buenos Aires. Actas... Buenos Aires: AASOJA, 1989.
Volume: | t.2
Páginas: | p.839-843.
Idioma: | Inglês
Conteúdo: | The variables examined in the present study of grain loss and seed damage were: humidity measured at different hours on the day of combining and type of cylinder used in the combine. The experiment was conducted in Monte Alegre de Minas, Minas Gerais, Brazil during the crop year 1986/87. Cylinder types experimented included a cylinder with teeth for thrashing out the grain and one with steel bars mounted longitudinally on the cilinder. Losses were measured by collecting the pods and beans scattered on the ground and, separately, the pods and beans left on the plant stumps. Results from a comparison of losses of two types of combines and between hours of combining showed that grom 11:AM to 1:pm the losses from the combine equipped with a toothed cylinder were1.17 percent (insignificantly) above those from the machine with a barred cylinder. Seed damage in terms of cracked and split seeds increased during the day as levels of humidity reduced. It was observed, however, that damage resulting from the toothed cylinder was less. The superior quality of seeds after use of the toothed cylinder was expressed by a higher percentage of normal sprouts, a smaller percentage of necrosis and less soaking.
Palavras-Chave: | Brasil; Dano de semente; Grain losses; Harvest; Minas Gerais; Perda de grao; Seed damage; Soybean.
Thesagro: | Colheita; Soja.
Thesaurus Nal: | Brazil.
Categoria do assunto: | --
Registro original: | Embrapa Soja (CNPSO)