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	Provedor de dados Rev. Bras. Ciênc. Solo (1) Autor Bian,Zhengfu (1) Lei,Shaogang (1) Xiong,Jibing (1) Yang,Dejun (1) Zhang,Kefeng (1) Palavra-chave Friability (1) Hard-setting (1) S index (1) Soil water retention curve (1) Tipo do documento Info:eu-repo/semantics/article (1) Ano 2015 (1) País Brazil (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última Quantitative Assessment of Soil Physical Quality in Northern China Based on S-theory Rev. Bras. Ciênc. Solo Yang,Dejun; Bian,Zhengfu; Zhang,Kefeng; Xiong,Jibing; Lei,Shaogang. ABSTRACT Quantitative assessment of soil physical quality is of great importance for eco-environmental pollution and soil quality studies. In this paper, based on the S-theory, data from 16 collection sites in the Haihe River Basin in northern China were used, and the effects of soil particle size distribution and bulk density on three important indices of theS-theory were investigated on a regional scale. The relationships between unsaturated hydraulic conductivityKi at the inflection point and S values (S/hi) were also studied using two different types of fitting equations. The results showed that the polynomial equation was better than the linear equation for describing the relationships between -log Ki and -logS, and -log Kiand -log (S/hi)2; and clay... Tipo: Info:eu-repo/semantics/article Palavras-chave: Friability; Hard-setting; S index; Soil water retention curve. Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832015000501311 Registros recuperados: 1 Primeira ... 1 ... Última

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