Érika Flávia Machado Pinheiro
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View article: Influence of Graphene Quantum Dots (GQDs) on the Sorption of ¹³⁷Cs and ⁶⁰Co in Soils from the Brazilian Semiarid Region
Influence of Graphene Quantum Dots (GQDs) on the Sorption of ¹³⁷Cs and ⁶⁰Co in Soils from the Brazilian Semiarid Region Open
Graphene Quantum Dots (GQDs) represent a new class of nanomaterials that, due to their optical, electronic, and chemical properties, have gained attention for various applications in industry, health, and the environment. However, the unde…
View article: The Use of Integrated Crop–Livestock Systems as a Strategy to Improve Soil Organic Matter in the Brazilian Cerrado
The Use of Integrated Crop–Livestock Systems as a Strategy to Improve Soil Organic Matter in the Brazilian Cerrado Open
This study aimed to analyze the carbon (C) stock and stabilization of soil organic matter in particulate- and mineral-associated fractions across different land use systems after 32 years of experimentation in the Brazilian Cerrado. The ex…
View article: Carbon and Nitrogen Stocks and Soil Organic Matter Persistence under Native Vegetation along a Topographic and Vegetation Gradient in the Central Amazon Region
Carbon and Nitrogen Stocks and Soil Organic Matter Persistence under Native Vegetation along a Topographic and Vegetation Gradient in the Central Amazon Region Open
The Amazon Forest has a soil organic carbon stock (SOCS) potential of 126 to 141 Tg year−1 and it depends on soil organic matter (SOM) accumulation factors and stabilization mechanisms. This study aimed to evaluate SOCS, soil nitrogen stoc…
View article: Climate-smart agriculture: Insights and challenges
Climate-smart agriculture: Insights and challenges Open
Agriculture, broadly defined to include crop and livestock production, forestry, aquaculture and fishery, represents a key source or sink of greenhouse gas emissions. It is also a vulnerable sector under climate change. The term climate-sm…
View article: The Climate Change Influence on Cedrela odorata L. Radial Growth in the Amazon
The Climate Change Influence on Cedrela odorata L. Radial Growth in the Amazon Open
Half of the Amazon Forest, which has a marked seasonality in rainfall, is susceptible to intense droughts caused by positive phases of the El Niño-Southern Oscillation (ENSO). Cedrela odorata L., sensitive to climate variations, emerges as…
View article: Biogas potential of biowaste: A case study in the state of Rio de Janeiro, Brazil
Biogas potential of biowaste: A case study in the state of Rio de Janeiro, Brazil Open
Anaerobic digestion has been widely applied for waste treatment, renewable energy generation , biofertilizer production. The biogas potential in Brazil is sizable, but the state of Rio de Janeiro is largely dependent on fossil fuels , ther…
View article: Use of Airborne Radar Images and Machine Learning Algorithms to Map Soil Clay, Silt, and Sand Contents in Remote Areas under the Amazon Rainforest
Use of Airborne Radar Images and Machine Learning Algorithms to Map Soil Clay, Silt, and Sand Contents in Remote Areas under the Amazon Rainforest Open
Soil texture has a great influence on the physical–hydric and chemical behavior of soils. In the Amazon regions, due to the presence of dense forest cover and limited access to roads, carrying out surveys and mapping of soils is challengin…
View article: A mini review on changes in soil attributes by management practices in organic vegetable production in southeast Brazil
A mini review on changes in soil attributes by management practices in organic vegetable production in southeast Brazil Open
The offer of healthier foods, the search for agricultural and economic sustainability and the appreciation of the role of farmers are the notorious foundations of organic agriculture in society.These principles are reflected in the inserti…
View article: Bovinoculture Wastewater Treatment Using Agroforestry Residues: Retention of Environmental Pollutants
Bovinoculture Wastewater Treatment Using Agroforestry Residues: Retention of Environmental Pollutants Open
A bovinocultura de leite gera diversos resíduos no processo produtivo, como por exemplo, água residuária, que apresenta poluentes orgânicos e inorgânicos em elevadas concentrações. Visando a remoção desses poluentes com um baixo custo de i…
View article: Nitrous Oxide Emissions Under Pasture Coverage in a Toposequence in Seropédica, RJ
Nitrous Oxide Emissions Under Pasture Coverage in a Toposequence in Seropédica, RJ Open
Nitrification and denitrification are the processes that give rise to the emissions of nitrous oxide (N2O) from the soil to the atmosphere, both processes being dependent on the availability of oxygen, but in opposite redox conditions.Thes…
View article: BIOGAS PRODUCTION FROM DAIRY CATTLE MANURE, UNDER ORGANIC AND CONVENTIONAL PRODUCTION SYSTEMS
BIOGAS PRODUCTION FROM DAIRY CATTLE MANURE, UNDER ORGANIC AND CONVENTIONAL PRODUCTION SYSTEMS Open
The purpose of this study was to evaluate the production of biogas, as well as the biogas production potential resulting from the anaerobic biodigestion of dairy cattle manure under organic (CMOS) and conventional (CMCS) production system.…
View article: The use of Pedotransfer functions and the estimation of carbon stock in the Central Amazon region
The use of Pedotransfer functions and the estimation of carbon stock in the Central Amazon region Open
Computer models have been used to assess soil organic carbon (SOC) stock change. Commonly, models require to determine soil bulk density (Db), a variable that is often lacking in soil data bases. To partly overcome this problem, pedotransf…
View article: Prediction of Soil Physical and Chemical Properties by Visible and Near-Infrared Diffuse Reflectance Spectroscopy in the Central Amazon
Prediction of Soil Physical and Chemical Properties by Visible and Near-Infrared Diffuse Reflectance Spectroscopy in the Central Amazon Open
Visible and near-infrared diffuse reflectance spectroscopy (VIS-NIR) has shown levels of accuracy comparable to conventional laboratory methods for estimating soil properties. Soil chemical and physical properties have been predicted by re…
View article: Soil Carbon Stock and Particle Size Fractions in the Central Amazon Predicted from Remotely Sensed Relief, Multispectral and Radar Data
Soil Carbon Stock and Particle Size Fractions in the Central Amazon Predicted from Remotely Sensed Relief, Multispectral and Radar Data Open
Soils from the remote areas of the Amazon Rainforest in Brazil are poorly mapped due to the presence of dense forest and lack of access routes. The use of covariates derived from multispectral and radar remote sensors allows mapping large …
View article: Evaluation of the Potential of Use of Bovine Manure Biofertilizer Resulting from the Management System of Organic and Conventional Milk Production
Evaluation of the Potential of Use of Bovine Manure Biofertilizer Resulting from the Management System of Organic and Conventional Milk Production Open
Objetivou-se avaliar o potencial de utilização como adubo orgânico do biofertilizante, resultante da biodigestão anaeróbica de dejetos de bovinos de leite, sob sistema orgânico (DBSO) e convencional (DBSC) de produção. Utilizaram-se oito p…
View article: Emissions of N2O in Soils under Sugarcane Cultivation in the Atlantic Forest biome: Effect of Harvesting Systems and Vinasse Fertilization
Emissions of N2O in Soils under Sugarcane Cultivation in the Atlantic Forest biome: Effect of Harvesting Systems and Vinasse Fertilization Open
A conversão de áreas sob vegetação natural para áreas agrícolas é uma das maiores fontes de emissão de gases de efeito estufa (GEE). O motivo do aumento da emissão de GEE não é somente devido a perda da biomassa vegetal decorrente da queim…
View article: Aggregation and Soil Carbon Aggregates Distribution in a Red Latosol under Different Levels of Sugarcane Straw in Paranavaí (PR)
Aggregation and Soil Carbon Aggregates Distribution in a Red Latosol under Different Levels of Sugarcane Straw in Paranavaí (PR) Open
O objetivo desse trabalho foi avaliar o impacto da aplicação de diferentes níveis de palhada da cana-de-açúcar sobre a agregação e distribuição de carbono orgânico (C) em classes de agregados de um Latossolo Vermelho, sob colheita mecânica…
View article: BIOGAS PRODUCTION FROM DAIRY CATTLE MANURE, UNDER ORGANIC AND CONVENTIONAL PRODUCTION SYSTEMS
BIOGAS PRODUCTION FROM DAIRY CATTLE MANURE, UNDER ORGANIC AND CONVENTIONAL PRODUCTION SYSTEMS Open
The purpose of this study was to evaluate the production of biogas, as well as the biogas production potential resulting from the anaerobic biodigestion of dairy cattle manure under organic (CMOS) and conventional (CMCS) production system.…
View article: Evaluation of the Treatment of wastewater suinoculture using organic filter constituted of sugar cane bagasse
Evaluation of the Treatment of wastewater suinoculture using organic filter constituted of sugar cane bagasse Open
O bagaço de cana-de-açúcar mostrou-se promissor na retenção de poluentes das águas residuárias, assim, o objetivo deste trabalho foi avaliar a capacidade desse resíduo em reter sólidos e metais da água residuária da suinocultura (ARS). O m…