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Cover crops species as affecting soil aggregation, aggregate stability, organic carbon concentration and soil bulk density in different soil aggregate fractions. The objectives of this study were to elucidate the effects of crop rotation with cover crop species in the soil aggregation, total organic carbon concentration in the whole soil and in the soil aggreg... ... Repository: BDPA Publication year: 2014
Chemical and physical fractions of soil organic matter under various management regimes in Roraima, Brazil. Repository: BDPA Publication year: 2017
Qualidade física de solos influenciada pelo uso e manejo na região de Guaraí-TO. Resumo: As terras onde predominam solos arenosos distribuem-se em extensas áreas em todas as regiões do Brasil, sendo muito utilizadas em áreas de intensificação da agricultura. O uso desses solos nos... ... Repository: BDPA Publication year: 2017
Phosphorus Fractions and Their Transformations in Entisol. The availability of phosphorus in the soil is a factor that directly interferes with its absorption by plants. This availability can be influenced by the texture, dose of the phosphate fertilizer and... ... Repository: BDPA Publication year: 2019
Soil sulfur fractions dynamics and distribution in a tropical grass pasture amended with nitrogen and sulfur fertilizers. Repository: BDPA Publication year: 2012
Soil quality under agroforestry systems and traditional agriculture in the atlantic forest biome. the present study, we evaluated the influence of agroforestry systems and traditional agriculture on the physical attributes and biologicals of soil, using as reference a native forest area in Paraty,... ... Repository: BDPA Publication year: 2018
Organic matter composition in density fractions of Cerrado Ferralsols as revealed by CPMAS 13C NMR: Influence of pastureland, cropland and Integrated crop-livestock. Repository: BDPA Publication year: 2014
Soil chemical management drives structural degradation of Oxisols under a no-till cropping system. Repository: BDPA Publication year: 2017
Relação dos teores de carbono e nitrogênio com a granulometria em sistemas de uso e manejo do solo no Estado do Acre. A granulometria do solo pode informar sobre a proteção da sua matéria orgânica. Os Argissolos representam 38% da área do Estado do Acre, com predomínio dos Vermelhos Amarelos. Este trabalho apresenta... ... Repository: BDPA Publication year: 2018
Phosphorus forms in cultivated indian black earth (anthrosols) of varying texture in the Brazilian Amazon. Despite the agricultural importance of India Black Earth (IBE) in the Amazon region, there are few studies that report on the relation between soil texture and chemical fertility of IBE. These soils o... ... Repository: BDPA Publication year: 2009

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