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Methods of soil organic carbon determination in Brazilian savannah soils. Several methods exist for determining soil organic carbon, and each one has its own advantages and limitations. Consequently, a comparison of the experimental results obtained when these methods are e... ... Repository: BDPA Publication year: 2014
Losses and gains of soil organic carbon in grasslands in the Brazilian semi-arid region. Studies show that soil organic carbon (SOC) decreases between 3 % and 9 % in degraded grasslands in tropical regions, mainly due to the absence of techniques to enhance carbon contribution to soils. T... ... Repository: BDPA Publication year: 2021
Emission of CO2 from biochar-amended soils and implications for soil organic carbon. Soil amendment with pyrogenic organic matter (PyOM), also named biochar, is claimed to sequester carbon (C). However, possible interactions between PyOM and native soil organic carbon (SOC) may accele... ... Repository: BDPA Publication year: 2015
Soil organic carbon temperature sensitivity of different soil types and land use systems in the Brazilian semi-arid region. Quantifying the sensitivity of soil organic matter decomposition (SOM) to global warming is critical for predict future impacts of climate change on soil organic carbon stocks (SOC) and soil respirati... ... Repository: BDPA Publication year: 2019
Modelling and digital soil mapping of the organic carbon stock in the topsoil (0-10 cm) of Rio de Janeiro State, Brazil. A soil database with 431 soil profiles of Rio de Janeiro State was used in the scope of a research project entitled "Quantifying the magnitude, spatial distribution and organic carbon in soils of Rio... ... Repository: BDPA Publication year: 2008
Soil and plant responses to pyrogenic organic matter: carbon stability and symbiotic patterns. Soil amendment with pyrogenic organic matter (PyOM) can sequester carbon, increase mutualistic root symbioses with arbuscular mycorrhizal fungi and nitrogen-fixing rhizobia, and hence improve crop yie... ... Repository: BDPA Publication year: 2014
Preparation and characterization of biodiesel industry waste partially carbonized material in order to produce an organic soil conditioner. This work seeks to determine the best methods of production of partly carbonized waste of biodiesel industry - castor (Ricinus communis) meal - aimed at obtaining material comparable to organic matter... ... Repository: BDPA Publication year: 2008
Organic carbon decomposition in soil amended with organic compost from slaughterhouse residues. Author(s): SOUZA, H. A. de; TANIGUCHI, C. A. K. Repository: BDPA Publication year: 2018
Soil organic carbon in the brazilian semi-arids tropics. The Brazilian semi-arid tropics occupies an area of 969,589 km2 that represents 11% of the national territory and the Caatinga is its most representatives Biome with an area of 844.453 km². However, a... ... Repository: BDPA Publication year: 2011
Predicting soil organic carbon dynamics of integrated crop-livestock system in Brazil using the CQESTR model. Land degradation and reduction in productivity have resulted in losses of soil organic carbon (SOC) in agricultural areas in Brazil. Our objectives were to 1) evaluate the predictive performance of CQ... ... Repository: BDPA Publication year: 2022

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