demanda energética de uma semeadora-adubadora para soja sob diferentes velocidades de deslocamento e coberturas do solo seeder energetic demand in soybean culture implantation under different displacement speeds and soil coverings
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ID: 207709
2006
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Abstract
O objetivo deste trabalho foi avaliar a demanda energética requerida por uma semeadora-adubadora disponível comercialmente para plantio direto, submetida a quatro velocidades de deslocamento e três condições de cobertura do solo na implantação da cultura da soja. O experimento foi conduzido no Sítio Cazarotto, localizado no Distrito de Iguatemi, município de Maringá - PR, em Latossolo Vermelho distrófico. Utilizou-se de delineamento de blocos ao acaso, em arranjo de parcelas subdivididas, em que os tratamentos principais foram três condições de cobertura do solo (vegetação espontânea, aveia dessecada e aveia dessecada + rolada) e as secundárias, quatro velocidades de deslocamento (4,7; 5,4; 6,5 e 7,2 km h-1). As variáveis estudadas foram: força na barra de tração, potência requerida, patinagem do rodado traseiro do trator e consumo de combustível. A força de tração foi influenciada pela velocidade de deslocamento e pelas condições de cobertura. A patinagem dos rodados do trator não foi influenciada pelos tratamentos. O consumo horário de combustível foi maior na condição de cobertura vegetação espontânea.
The objective of this work was to evaluate request energetic demand by a seeder offered commercially for no-tillage, submitted to four displacement speeds and three soil covering conditions in soybean culture implantation. The experiment was installed at the Cazarotto Small Farm, located in Iguatemi District, municipal district of Maringá - PR, Brazil, in Haplotox Soil. It was used split-plot design. The main treatments were three soil-covering conditions (spontaneous vegetation, black oat desiccated and black oat desiccated + rolled) and the secondary ones, the four forward speeds (4.7; 5.4; 6.5 e 7.2 km h-1). The studied variables were draw bar pull, power requirement, and wheel drive slip and consumption fuel. The draw bar pull was influenced by the forward speed and for the soil covering conditions. The wheel drive slip was not influenced by the treatments. The hourly fuel consumption was larger in the spontaneous vegetation covering condition.
The objective of this work was to evaluate request energetic demand by a seeder offered commercially for no-tillage, submitted to four displacement speeds and three soil covering conditions in soybean culture implantation. The experiment was installed at the Cazarotto Small Farm, located in Iguatemi District, municipal district of Maringá - PR, Brazil, in Haplotox Soil. It was used split-plot design. The main treatments were three soil-covering conditions (spontaneous vegetation, black oat desiccated and black oat desiccated + rolled) and the secondary ones, the four forward speeds (4.7; 5.4; 6.5 e 7.2 km h-1). The studied variables were draw bar pull, power requirement, and wheel drive slip and consumption fuel. The draw bar pull was influenced by the forward speed and for the soil covering conditions. The wheel drive slip was not influenced by the treatments. The hourly fuel consumption was larger in the spontaneous vegetation covering condition.
| Reference Key |
bortolotto2006engenhariademanda
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| Authors | ;Virindiana C. Bortolotto;Raimundo Pinheiro Neto;Marciano C. Bortolotto |
| Journal | bioorganic and medicinal chemistry letters |
| Year | 2006 |
| DOI |
10.1590/S0100-69162006000100014
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| URL | |
| Keywords | Keywords not found |
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