2012
DOI: 10.4025/bolgeogr.v30i3.17644
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Erosão no plantio direto: perda de solo, água e nutrientes

Abstract: O preparo e o manejo do solo podem influenciar as taxas de erosão hídrica ocorridas em um solo, expondo-o em maior ou menor intensidade ao impacto das gotas de chuva e à ação da enxurrada, propiciando a ocorrência de erosão, a qual pode acarretar degradação da estrutura do solo, perdas de solo, água, nutrientes e matéria orgânica, com diminuição da fertilidade química, física e biológica, acarretando sérios danos ao setor agropecuário. Nesse contexto, diversos estudos têm sido realizados com o intuito de avali… Show more

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Cited by 7 publications
(6 citation statements)
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“…There was a clear residual effect of soil tillage at the beginning of the experiment, which affected soil losses in the first evaluation years. Similar results were reported by Oliveira et al (2012). These effects were analyzed by regression analysis assessing Year (1) Rain erosivity Soil loss from treatment (2) Table 2.…”
Section: Resultsmentioning
confidence: 52%
“…There was a clear residual effect of soil tillage at the beginning of the experiment, which affected soil losses in the first evaluation years. Similar results were reported by Oliveira et al (2012). These effects were analyzed by regression analysis assessing Year (1) Rain erosivity Soil loss from treatment (2) Table 2.…”
Section: Resultsmentioning
confidence: 52%
“…Este comportamento mostra que a precipitação e o manejo aplicado apresentaram grande influência sobre as perdas de solo em relação ao sistema conservado. Alterações ambientais como a redução da cobertura vegetal geram grandes impactos negativos sobre o solo (OLIVEIRA et al, 2012;LIU et al, 2012).…”
Section: Methodsunclassified
“…A cobertura vegetal é outro fator importante que influencia na redução do escoamento superficial e consequentemente nas perdas de água e solo (CAVALCANTI et al, 2012;GARCIA-ESTRINGANA et al, 2013;RODRIGUES et al, 2013). Porém, segundo González-Hidalgo et al (2013) (BARBOSA et al, 2009;OLIVEIRA et al, 2012;LIU et al, 2014).…”
Section: Introductionunclassified
“…Its use has been shown to result in improved physical soil conditions (BLAINSKI et al, 2012;ROSIM et al, 2012); superior biological indicators SAPKOTA et al, 2012;SILVA et al, 2007); increased organic matter levels (WINCK et al, 2014;LAL, 2009); greater soil and water conservation (ALMEIDA et al, 2016;OLIVEIRA et al, 2012); a reduced number of agricultural operations; a reduction in labor requirements (LIBARDI; DELGADO, 1999); and decreased use of machinery and fuel consumption (FERNANDES et al, 2008;CORTEZ et al, 2009). However, studies focused on the economic aspects of NT are scarce (OLIVEIRA et al, 2013;EL-SHATER et al, 2016).…”
Section: Introductionmentioning
confidence: 99%