2014
DOI: 10.18406/2316-1817v7n22015657
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Correlação do COT e porosidade em Latossolo com diferentes usos e manejos na região de Uberaba, MG

Abstract: O objetivo do presente trabalho foi quantificar as modificações impostas sobre a densidade, porosidade e teor de carbono orgânico, em áreas de Cerrado, eucalipto e plantio direto com rotação de milho e pastagem na Fazenda Santa Terezinha, município de Uberaba – MG. Foram coletadas amostras deformadas nas camadas de 0 - 20 cm e 20 - 40 cm para determinação do carbono orgânico dos solos (COS) e análise granulométrica, além de amostras indeformadas para as análises de densidade do solo (Ds), microporosidade (Mi),… Show more

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Cited by 3 publications
(2 citation statements)
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“…Martins et al (2015) evaluating the porosity and organiccarbon in an Oxisol with different uses and management in the Cerrado Mineiro verified that the distribution of pores presents a direct relation with the availability of water in the soil. Macropores (>0.25 mm) are related to water infiltration into the soil, while micropores are related to water retention (Ferraz-Almeida, 2022).…”
mentioning
confidence: 87%
“…Martins et al (2015) evaluating the porosity and organiccarbon in an Oxisol with different uses and management in the Cerrado Mineiro verified that the distribution of pores presents a direct relation with the availability of water in the soil. Macropores (>0.25 mm) are related to water infiltration into the soil, while micropores are related to water retention (Ferraz-Almeida, 2022).…”
mentioning
confidence: 87%
“…The success of intercropping sorghum with grasses could be a promising system to increase crop residue accumulation (i.e., as a cover crop) that promotes soil health through carbon sequestration, and thereby promoting grain production [16]. Accumulation of soil organic matter positively reflects on soil preservation with a higher porosity [17,18], biological activities [19], and stocks of nutrients in the soil [20,21]. Generally, the intercropping systems have an association between legumes and cereals to improve the use of soil nitrogen resources caused by biological nitrogen fixation by legumes, reducing the requirement for synthetic fertilizer nitrogen [22,23].…”
Section: Introductionmentioning
confidence: 99%