Search Results - "de Sa Barretto Sampaio, Everardo Valadares"
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Concentration of Alkaline Hydrogen Peroxide (AHP) Affects the Recycle of the Liquid Fraction in the Pre-treatment and Enzymatic Hydrolysis of Corn Stover
Published in Waste and biomass valorization (01-11-2020)“…Pre-treatment is one of main economic and technological challenges to render feasible the production of biofuels and chemical compounds from lignocellulosic…”
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Energetic and Economic Analysis of Spineless Cactus Biomass Production in the Brazilian Semi-arid Region
Published in Energies (Basel) (01-07-2022)“…The Brazilian semi-arid region is marked by a variable spatial-temporal rainfall distribution, concentrated over a 3 to 4 month season. Limited water…”
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3
Phosphorus Desorption from Fe and Al Oxides Mediated by Soil Microorganisms
Published in Communications in Soil Science and Plant Analysis (09-03-2015)“…The capacity of soil microorganisms to desorb phosphorus (P) adsorbed to iron (Fe) and aluminum (Al) oxides was determined by impregnating paper strips with…”
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How much nitrogen is fixed by biological symbiosis in tropical dry forests? 2. Herbs
Published in Nutrient cycling in agroecosystems (01-12-2012)“…Although biological nitrogen fixation (BNF) is considered the main input of N in mature and regenerating native tropical vegetation, it has seldom been…”
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5
Resilience and successional trends of woody vegetation in seasonally dry tropical forests
Published in Forestry (London) (11-10-2023)“…Understanding the recovery time of vegetation structure and species composition to estimate the resilience of seasonally deciduous tropical forest (SDTF) is…”
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6
Adaptation of the century model to simulate C and N dynamics of Caatinga dry forest before and after deforestation
Published in Agriculture, ecosystems & environment (15-02-2018)“…•Century was used to simulate forest/pasture C and N dynamics in semiarid NE Brazil.•Soil-plant C and N stocks were studied before and after deforestation in…”
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Enzymatic hydrolysis of cactus pear varieties with high solids loading for bioethanol production
Published in Bioresource technology (01-02-2018)“…•Enzymatic hydrolysis optimization (high solids loading) of cactus pear is proposed.•Cactus pear varieties doesn’t require chemical pretreatment and use of…”
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Potentialities and Impacts of Biomass Energy in the Brazilian Northeast Region
Published in Energies (Basel) (01-05-2023)“…In Northeast Brazil, the use of biomass for energy generation is settled on traditional productive arrangements, such as a sugarcane production system in the…”
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Development of a methodological approach to estimate vegetation biomass using remote sensing in the Brazilian semiarid NE region
Published in Remote sensing applications (01-08-2022)“…The accurate estimation of vegetation biomass over large areas is still a significant challenge. The evolution of low-cost geotechnologies is rapidly…”
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Biological nitrogen fixation in field-grown sorghum under different edaphoclimatic conditions is confirmed by N isotopic signatures
Published in Nutrient cycling in agroecosystems (01-05-2020)“…The association between sorghum and N 2 -fixing bacteria has been assessed only under limited conditions. We investigated biological nitrogen fixation (BNF) in…”
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Biological nitrogen fixation in tropical dry forests with different legume diversity and abundance
Published in Nutrient cycling in agroecosystems (01-04-2017)“…Tropical dry forests have high diversity and plant abundance of potentially biologically nitrogen fixing (BNF) legume species, attributed to the ecological…”
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12
Biogas production from co-digestion of different proportions of food waste and fresh bovine manure
Published in Biomass conversion and biorefinery (2022)“…The present study aimed to evaluate the process of anaerobic co-digestion of different proportions of food waste and fresh bovine manure. The experiments were…”
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13
Valorizing municipal organic waste to produce biodiesel, biogas, organic fertilizer, and value-added chemicals: an integrated biorefinery approach
Published in Biomass conversion and biorefinery (01-03-2022)“…Economically viable alternatives for utilizing municipal solid waste are still a major challenge for society, especially in less developed countries. A…”
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14
Maize and sunflower yields and soil changes after five years of organic fertilization in the semi-arid region of Paraiba, Brazil
Published in Arid land research and management (01-10-2020)“…Effects of annual organic fertilization on maize and sunflower yields and on physical and chemical characteristics of a Fluvisol were evaluated in the semiarid…”
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Yield and biological nitrogen fixation of cowpea varieties in the semi-arid region of Brazil
Published in Biomass & bioenergy (01-10-2012)“…Cowpea is an important crop in small properties of the Brazilian semi-arid region, where it is cultivated without fertilizer application. In spite of the…”
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Rill and sheet soil erosion estimation in an area undergoing desertification in the Brazilian semi-arid region
Published in Modeling earth systems and environment (01-06-2021)“…Soil erosion is a serious world problem, especially in areas undergoing desertification. Rill and sheet erosions were estimated in one municipality of the…”
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Effects of Poultry Manure and Biochar on Acrisol Soil Properties and Yield of Common Bean. A Short-Term Field Experiment
Published in Agriculture (Basel) (01-04-2021)“…Common bean is usually cropped under rainfed conditions and in soils with low pH and water retention, in the sub-humid and semiarid regions of Brazil. To…”
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Do the phenology and functional stem attributes of woody species allow for the identification of functional groups in the semiarid region of Brazil?
Published in Trees (Berlin, West) (01-10-2012)“…The phenology of tree species in environments that are subject to strong climatic seasonality is mainly determined by water availability, which may vary as a…”
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Management of sludge from fish ponds at the edge of the Itaparica Reservoir (Brazil): an alternative to improve agricultural production
Published in Regional environmental change (01-10-2018)“…Sludge generated in intensively managed tilapia fingerling breeding ponds near the Itaparica Dam in the semi-arid Brazilian northeastern region was tested as a…”
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How much nitrogen is fixed by biological symbiosis in tropical dry forests? 1. Trees and shrubs
Published in Nutrient cycling in agroecosystems (01-12-2012)“…Despite the recognized importance of the process, estimates of the amount of nitrogen fixed by biological symbiosis in tropical dry forests are almost…”
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