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Soil carbon fractions in response to mineral and organic fertilizer types and rates. Author(s): OLIVEIRA, G. F. de; MAFRA, A. L.; CORREA, J. C.; HENTZ, P.; CECHETTO, M.; ROTERS, D. F.; PRAZERES, M. S.; ANDOGNINI, J. Abstract: The use of organic fertilizers from pig slurry and poultry litter can increase soil organic carbon and crop productivity. This study aimed to evaluate soil organic carbon fractions and corn... ... Repository: BDPA Publication year: 2023
Carbon in physical fractions and organic matter chemical composition of an acrisol after amazon forest burning and conversion into pasture. Author(s): LEAL, O. A.; DICK, D. P.; COSTA, F. de S.; KNICKER, H.; CARVALHO JÚNIOR, J. A. de; SANTOS, J. C. The aim of this study was to investigate impacts of Amazon Forest (AF) fire and conversion to pasture on carbon accumulation in particle size fractions and organic matter (OM) composition of an Acriso... ... Repository: BDPA Publication year: 2019
Soil organic matter fractions as a short-term indicator of carbon turnover under agricultural systems. Author(s): MATOS, E. da S.; CONCEIÇÃO, M. C. G. da; BIDONE, E. G.; RODRIGUES, R. de A. R.; CORDEIRO, R. C. Integrated crop-livestock-forest (ICLF) systems has been considered as an important strategy to enhance C sequestration. However, changes in soil C due to agricultural management practices, in general... ... Repository: BDPA Publication year: 2017
Relationships between labile soil organic carbon fractions under different soil management systems. Author(s): SOUZA, G. P. de; FIGUEIREDO, C. C. de; SOUSA, D. M. G. de ABSTRACT: The study of labile carbon fractions (LCF) provides an understanding of the behavior of soil organic matter (SOM) under different soil management systems and cover crops. The aim of this stu... ... Repository: BDPA Publication year: 2016
Application of organic and mineral fertilizers increases carbon fractions in two classes of aggregates in an integrated crop-livestock system. Author(s): OLIVEIRA, G. F. de; MAFRA, A. L.; CORREA, J. C.; HENTZ, P.; CECHETTO, M. Abstract: Application of organic fertilizers of animal origin can increase organic carbon in the soil and increase its content in macroaggregates. This study aimed to evaluate carbon contents and frac... ... Repository: BDPA Publication year: 2023
Carbon in humic fractions of organic matter in soil treated with organic composts under mango cultivation. Author(s): SILVA, J. R.; SILVA, D. J.; GAVA, C. A. T.; OLIVEIRA, T. C. T. de; FREITAS, M. do S. C. de Soil organic matter (SOM) plays a key role in maintaining the productivity of tropical soils, providing energy and substrate for the biological activity and modifying the physical and chemical charact... ... Repository: BDPA Publication year: 2016
Microbiological properties and oxidizable organic carbon fractions of an oxisol under coffee with split phosphorus applications and irrigation regimes. Author(s): COSTA, A. R. da; SATO, J. H.; RAMOS, M. L. G.; FIGUEIREDO, C. C. DE; SOUZA, G. P. de; ROCHA, O. C.; GUERRA, A. F. Repository: BDPA Publication year: 2013
Cover crops species as affecting soil aggregation, aggregate stability, organic carbon concentration and soil bulk density in different soil aggregate fractions. Author(s): NASCENTE, A. S.; LI, Y.; CRUSCIOL, C. A. 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
Distribution of organic carbon in different soil fractions in ecosystems of Central Amazonia. Author(s): MARQUES, J. D. de O.; LUIZÃO, F. J.; TEIXEIRA, W. G.; SARRAZIN, M.; FERREIRA, S. J. F.; BELDINI, T. P.; MARQUES, E. M. de A. A matéria orgânica tem importante papel em diversas propriedades do solo e por isso é necessário identificar sistemas de manejo do solo que favoreçam seu aumento e, ou, mantenham suas concentrações. E... ... Repository: BDPA Publication year: 2015
Organic matter in areas under secondary forests and pasture. Author(s): MENEZES, C. E. G.; GUARESCHI, R. F.; PEREIRA, M. G.; ANJOS, L. H. C.; CORREIA, M. E. F.; BALIEIRO, F. de C.; PICCOLO, M. de C. The objective of this study was to evaluate the soil carbon stock (Stock C) and bulk density, the chemical and granulometric fractions of the organic matter and the isotopic signal of the soil δ1... ... Repository: BDPA Publication year: 2017

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