2000
DOI: 10.1590/s0100-204x2000000600018
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Avaliação de métodos indiretos de determinação da erodibilidade de Latossolos brasileiros

Abstract: Termos para indexação: erosão, deterioração do solo, análise de solo, métodos analíticos. EVALUATION OF INDIRECT METHODS FOR DETERMINATION OF ERODIBILITY OF BRAZILIAN LATOSOLS (OXISOLS)ABSTRACT -There are three ways for determining the soil erodibility (K-factor). The first one includes the K-factor determination at field conditions, under natural rainfall, which is expensive and time consuming. The second method is similar to the first one, but it is based upon the quantification of K-factor as a function of … Show more

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Cited by 29 publications
(34 citation statements)
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“…These compartments are mappable, and identify its limits in the field may help to understand the spatial variability of soil variables and therefore the understanding of erosion. However, most studies emphasize the aspects of temporal variability and almost do not highlight the spatial variation of soil variables related to erosion (WANG et al, 2003;, PÉREZ-RODRIGUEZ et al, 2007SILVA et al, 2000). Thus, the quantification of soil erosion associated with the compartmentalization of the landscape and the geostatistical techniques present themselves as effective tools to establish cause and effect relations of the soil erosion process.…”
Section: Introductionmentioning
confidence: 99%
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“…These compartments are mappable, and identify its limits in the field may help to understand the spatial variability of soil variables and therefore the understanding of erosion. However, most studies emphasize the aspects of temporal variability and almost do not highlight the spatial variation of soil variables related to erosion (WANG et al, 2003;, PÉREZ-RODRIGUEZ et al, 2007SILVA et al, 2000). Thus, the quantification of soil erosion associated with the compartmentalization of the landscape and the geostatistical techniques present themselves as effective tools to establish cause and effect relations of the soil erosion process.…”
Section: Introductionmentioning
confidence: 99%
“…There are a large number of studies using these models to quantify indirect taxes (SILVA et al, 2000;VENTURA JR. et al, 2001). Among the methods used in these studies, there is the magnetic susceptibility (MS).…”
Section: Introductionmentioning
confidence: 99%
“…De acordo com Silva et al (2000) a erosão hídrica deve ser estudada considerando-se a erodibilidade do solo, que representa o efeito integrado dos processos que regulam a infiltração de água e a resistência do solo à desagregação e transporte de partículas, ou seja, sua predisposição a erosão. É o fator que tem despertado o maior interesse na pesquisa da erosão, por ser governado pelos atributos intrínsecos do solo, os quais podem variar de um solo para solo outro, ou para o mesmo solo, a depender do tipo de manejo.…”
Section: Introductionunclassified
“…Segundo Silva et al (2000), a erodibilidade do solo (fator K) pode ser determinada de três formas. A primeira envolve a determinação do fator K em condições de campo, sob chuva natural, a qual é onerosa e muito demorada.…”
Section: Introductionunclassified
“…Silva et al (2000) avaliaram a correlação entre os valores da erodibilidade de Latossolos brasileiros, obtidos por métodos diretos e indiretos. No caso, nenhum dos métodos testados mostrou-se adequado para a estimativa da erodibilidade para os Latossolos, sendo recomendado o desenvolvimento de modelos específicos para esses solos.…”
Section: Introductionunclassified