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Indicadores biológicos de qualidade do solo

TLDR
O solo is a recurso natural vivo e dinâmico that condiciona e sustenta a producao de alimentos e fibras and regula o balanco global do ecossistema.
Abstract
O solo e um recurso natural vivo e dinâmico que condiciona e sustenta a producao de alimentos e fibras e regula o balanco global do ecossistema A qualidade do solo e definida como a capacidade deste de funcionar dentro do ecossistema para sustentar a produtividade biologica, manter a qualidade ambiental e promover a saude das plantas e animais, sendo avaliada do uso de indicadores fisicos, quimicos e biologicos O criterio para o uso dos indicadores do solo e a sua capacidade de interferir nos processos ecologicos, integrar as propriedades fisicas, quimicas e biologicas, ser sensivel a variacoes climaticas e de manejo, alem de ser facilmente utilizavel por especialistas, tecnicos e agricultores Neste sentido, os microrganismos se enquadram nesses criterios, podendo ser utilizados como sensiveis indicadores da qualidade do solo Os principais indicadores microbiologicos sao a biomassa microbiana, a respiracao, a nodulacao por rizobio, o quociente respiratorio e a atividade enzimatica do solo Os indicadores microbiologicos sao ferramentas uteis para avaliacao da qualidade do solo em curto e longo periodo

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Inorganic nitrogen, microbial biomass and microbial activity of a sandy Brazilian Cerrado soil under different land uses.

TL;DR: In this article, the microbial attributes of a Typic Quartzipsamment (Arenosols in FAO classification) in native vegetation, pastures, and soybean cultivation under conventional (CT) and no-till (NT) systems were evaluated.
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Environmental risk assessment of a metal-contaminated area in the Tropics. Tier I: screening phase

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Microbial alterations of the soil influenced by induced compaction

TL;DR: In this article, the effects of soil compaction caused by the traffic of agricultural machines on the soil microbial community and its enzyme activity were evaluated and the compaction effect on all studied properties was evident.
Journal ArticleDOI

Biomassa e atividade microbiana de solo sob vegetação nativa e diferentes sistemas de manejos - doi: 10.4025/actasciagron.v33i2.4841

TL;DR: In this work, in the field-livestock integration system, the microbial activity is constant at the different collection times and management systems influence the metabolic activity of microorganisms in the soil.
Journal ArticleDOI

Municipal solid waste compost amendment in agricultural soil: changes in soil microbial biomass

TL;DR: In this article, the state-of-the-art about the effects of municipal solid waste (MSW) amendment on soil microbial biomass is presented. But, the effect of different MSWC amendment doses on different soil types and under different water regimes has not been evaluated.
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