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Atributos físicos e mecânicos do solo avaliados por processamento digital de imagem e ensaios de rotina

Authors: Nakamura, Ricardo;

Atributos físicos e mecânicos do solo avaliados por processamento digital de imagem e ensaios de rotina

Abstract

The lack of information (qualitative and quantitative) of the detailed microstructure of the soil, particularly soil constituents (weight and volume) and its association with related mechanical and physical indexes, depending on its use or handling have led to inferences or conclusions and can always represent the true history of tension, use and soil management. One alternative that has been submitted to soil science and with significant results, especially in the areas of physical and soil conservation is the use of soil micromorphology techniques combined with image processing. These studies have improved the characterization of this problem, and can thus provide a better interpretation and human understanding, not only of internal factors (characteristics and qualities) responsible for the compactness of the soil, but also the relationship with the external factors (management, agricultural traffic , contact pressure and stress distribution in soil, use/handling). These often limited by technical and methodological or in its determinations has hindered understanding and build relationships/interrelationships and behavior of soil microstructure. Therefore, any intervention in this narrow sense means the benefits of two major areas (micromorphology and soil mechanics) that increasingly prove important results for soil science. This study aimed to evaluate the physical and mechanical behavior of sample undisturbed from two soil types under different loads (contact pressures), water contents and use... (Complete abstract click electronic access below)

A falta de informações (qualitativa e quantitativa) detalhadas da microestrutura do solo, especificamente dos constituintes do solo (massa e volume) e sua associação com índices físicos e mecânicos relacionados, em função do seu uso ou manejo tem levado a inferências e conclusões que nem sempre podem representar a verdadeira história de tensão, uso e manejo do solo. Uma alternativa que tem sido apresentada à ciência do solo e com resultados significativos, especialmente para as áreas de física e conservação do solo é o uso de técnicas de micromorfologia de solos aliada ao processamento de imagens. Estes estudos tem melhorado a caracterização desse problema, podendo facultar desta maneira, uma melhor interpretação e compreensão humana, não apenas dos fatores internos (características e propriedades) responsáveis pela compacidade do solo, mas também a relação com os fatores externos (manejo, tráfego agrícola, pressão de contato e distribuição de tensão no solo, uso/manejo). Estes, muitas vezes por limitação técnica e ou metodológica em suas determinações tem dificultado a compreensão e o estabelecimento de relações/inter-relações como comportamento da microestrutura do solo. Portanto, qualquer intervenção neste sentido significa estreitar os benefícios de duas importantes áreas (micromorfologia e a...

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Pós-graduação em Agronomia (Energia na Agricultura) - FCA

Universidade Estadual Paulista (UNESP)

Country
Brazil
Keywords

Soil physics, Soil structure, Estrutura do solo, Mecanica do solo, Processamento de imagens - Tecnicas digitais, Fisica do solo

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green
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