2011
DOI: 10.1590/s0100-06832011000400014
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Atributos físicos do argissolo amarelo do semiárido nordestino sob sistemas de preparo

Abstract: Nagahama(1) Recebido para publicação em 21 de junho de 2010 e aprovado em 30 de maio de 2011.

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Cited by 43 publications
(32 citation statements)
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References 22 publications
(27 reference statements)
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“…Cortez et al (2011) verified that the intense conventional tillage in an Ultisol in the northeastern semiarid region influences the soil density in the 0.10-0.20 m layer, besides the higher total porosity in areas without tillage and the smaller total porosity in areas prepared with chisel and off-set harrow with disks of 24" (0.61 m) in diameter. Moreover, in the treatment with chisel, the soil resistance to penetration is smaller; being concluded in their study that the agricultural layer varies up to 0.30 m, depending on the tillage equipment.…”
Section: Introductionmentioning
confidence: 71%
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“…Cortez et al (2011) verified that the intense conventional tillage in an Ultisol in the northeastern semiarid region influences the soil density in the 0.10-0.20 m layer, besides the higher total porosity in areas without tillage and the smaller total porosity in areas prepared with chisel and off-set harrow with disks of 24" (0.61 m) in diameter. Moreover, in the treatment with chisel, the soil resistance to penetration is smaller; being concluded in their study that the agricultural layer varies up to 0.30 m, depending on the tillage equipment.…”
Section: Introductionmentioning
confidence: 71%
“…The high values of RP in the 0.40-0.50 m layer (Table 3) can be characterized by the higher amount of clay in this layer (Table 1), the lack of soil mobilization, and the pressures printed by the equipment (Cortez et al, 2011). Even so, these high values are not restrictive to root growth, as they are below 6.0 MPa (Sene et al, 1985).…”
Section: Resultsmentioning
confidence: 99%
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“…Com o surgimento dos primeiros implementos ocorreu um avanço nas técnicas de manejo e preparo do solo, em que do ponto de vista técnico, deve contribuir para a manutenção ou melhoria da qualidade do solo e do ambiente, bem como para a obtenção de produtividade satisfatória das culturas no longo prazo (CORTEZ, et al 2011).…”
Section: Introductionunclassified
“…Normalmente, a grade trabalha o solo a pouca profundidade e apresenta alto rendimento de campo, porém o uso contínuo desse implemento pode levar à formação de camadas compactadas, chamadas "pé-de-grade" (CORTEZ et al, 2011).…”
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