2010
DOI: 10.1590/s0100-06832010000100025
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Sedimentos transportados pela enxurrada em eventos de erosão hídrica em um Nitossolo Háplico

Abstract: A quantidade e a distribuição de tamanho dos sedimentos transportados pela enxurrada são influenciadas pelo manejo, cobertura e cultivo do solo e pela chuva, entre outros fatores, constituindo-se em aspecto importante no planejamento conservacionista do solo. O objetivo deste trabalho foi quantificar os sedimentos transportados pela enxurrada e relacioná-los com a velocidade de enxurrada, durante o cultivo da soja, em um experimento de chuva simulada sobre um Nitossolo Háplico alumínico típico, nos sistemas de… Show more

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Cited by 10 publications
(8 citation statements)
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References 12 publications
(15 reference statements)
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“…It should be noted that rainfall height is more important than its mean intensity on soil erosion in forest condition where the soil is permanently covered by crop residues, in the case of natural rainfall (Bertol et al, 2010). In this case, the impact of the raindrops has less influence than the surface runoff on the erosion, unlike what happens in uncovered soil where the impact of droplets is more important (Wischmeier and Smith, 1978;Zhou et al, 2002).…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…It should be noted that rainfall height is more important than its mean intensity on soil erosion in forest condition where the soil is permanently covered by crop residues, in the case of natural rainfall (Bertol et al, 2010). In this case, the impact of the raindrops has less influence than the surface runoff on the erosion, unlike what happens in uncovered soil where the impact of droplets is more important (Wischmeier and Smith, 1978;Zhou et al, 2002).…”
Section: Discussionmentioning
confidence: 99%
“…The mechanical tillage alters the physical characteristics, compacting the soil and increasing water erosion (Amaral et al, 2008;Pires et al, 2006;Magro, 2012), unlike the non-mechanized preparation (Pires et al, 2006;Oliveira, 2012). The operations of the soil tillage associated with the previous removal of vegetal residues from the soil surface increase soil degradation and water erosion (Bertol et al, 2010).…”
Section: Introductionmentioning
confidence: 99%
“…Andrade et al (2017) classificam o Nordeste Paraense com 69% de área com suscetibilidade moderada a ocorrência de desastres naturais (34 municípios); esta área apresenta como fatores de relevantes agregar grande densidade populacional, renda menor que dois salários mínimos e também baixa escolaridade. Dentre as formas de desastres naturais ocasionados pelo uso inadequado da terra, os relacionados à ocorrência de formas erosivas em geral vinculam-se a evolução destas em áreas antrópicas ou ao produto instantâneo das enxurradas (BERTOL et al, 2010).…”
Section: Suscetibilidade à Erosão Hídrica Do Solounclassified
“…The highest P content occurred for organic sources in the NT, especially the UWC (Table 1). Despite the beneficial effects of the use of organic fertilizers, in areas under NT, there may be an accumulation of nutrients in the topsoil, favouring the transfer of nutrients through runoff (BERTOl et al, 2010).…”
Section: Chemical Characterisation and Concentration Of Nutrients In mentioning
confidence: 99%