Spontaneous Production
Mostrando 1-12 de 542 artigos, teses e dissertações.
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1. Selecting alternative sterile and non-sterile substrates for mycorrhizal inoculant production
ABSTRACT Alternative substrates were evaluated for mycorrhizal inoculants production considering the beneficial effects of arbuscular mycorrhizal fungi (AMF) for plants and environment. The first step of the experiment aimed at evaluating the potential of substrates produced from sugarcane bagasse (SB), coconut fibre (CF) and urban waste compost (UWC) to pro
Revista Ceres. Publicado em: 2022
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2. Broccoli in succession to pearl millet: nutrient cycling, production and soil chemical attributes
ABSTRACT For its production, broccoli requires large quantities of nutrients in relatively short periods. As a conservation technique, the no-tillage planting of broccoli over the pearl millet straw in succession may interfere with the dynamics of nutrient release, inflorescence production and the chemical attributes of the soil. The objectives of this work
Rev. Ceres. Publicado em: 2021-06
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3. CÉLULAS ELETROLÍTICA E A COMBUSTÍVEL CONFECCIONADAS COM MATERIAIS ALTERNATIVOS PARA O ENSINO DE ELETROQUÍMICA
The proposal addresses the electrochemical experimentation as a pedagogical instrument for the integral and dynamic student involvement, facilitating the teaching-learning process. The experimental proposal focuses on the conversion of electrical energy to chemical energy and vice versa. The experiments for the two simultaneous energy conversions were design
Quím. Nova. Publicado em: 2021-01
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4. Conservation system improves soil microbial quality and increases soybean yield in the Northeastern Cerrado
ABSTRACT The conservation tillage systems is based on the surface protection by crop residue and reduced soil disturbance. These two principles can favor the soil quality and promote sustainable agricultural systems. The study was developed with the objective of measure soil microbial biomass, soil basal respiration, enzymatic activity and soybean yield in c
Bragantia. Publicado em: 2020-12
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5. Synthesis, Characterization, Spectroelectrochemical, Photophysical and HSA-Binding Properties of Novel and Versatile meso-Tetra(4-pyridylvinylphenyl)porphyrins Coordinated to Ruthenium(II)-Polypyridyl Derivatives
The free-base meso-tetra(4-pyridylvinylphenyl)porphyrin (1a) and its zinc(II) complex were synthesized and then functionalized with [Ru(bpy)2Cl]+ units (2a and 2b) via conventional methods and evaluated in terms of photophysical, electrochemical and biological aspects. All porphyrins present moderate singlet oxygen production and fluorescence quantum yield,
J. Braz. Chem. Soc.. Publicado em: 2020-11
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6. Chemically-Activated Biochar from Ricinus communis L. Cake and Their Potential Applications for the Voltammetric Assessment of Some Relevant Environmental Pollutants
Biochar is a rich-carbon material highly functionalized, which allows the use as electrodes modifier for preconcentration and voltammetric determination of several species. This work describes a castor cake biochar production and chemical activation with different reaction conditions using HNO3 and/or H2O2. Biochar samples were characterized using scanning e
J. Braz. Chem. Soc.. Publicado em: 2020-05
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7. Maize productivity in succession to cover crops, nitrogen fertilization and inoculation with Azospirillum brasilense
RESUMO O uso de microrganismos na agricultura como Azospirillum brasilense e o cultivo de plantas de cobertura na entressafra, juntamente com a adubação nitrogenada, podem ser alternativas interessantes para aumentar a produtividade das culturas. Este estudo teve por objetivo avaliar os componentes de crescimento e de produção e o teor de nitrogênio do
Rev. bras. eng. agríc. ambient.. Publicado em: 25/11/2019
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8. Use of Idebenone for the Treatment of Leber’s Hereditary Optic Neuropathy
Abstract Leber’s hereditary optic neuropathy (LHON) is one of the most frequent mitochondrial disorders. It is caused by mutations in genes of the mitochondrial DNA coding for subunits of the respiratory chain and leads to severe bilateral vision loss, from which spontaneous recovery is infrequent. Retinal ganglion cells show a selective vulnerability to m
J. inborn errors metab. screen.. Publicado em: 16/05/2019
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9. Productivity and nutritive value of elephant grass pastures under organic and conventional production systems
Abstract: Elephant grass (EG) (Pennisetum purpureum Schum.) have great importance in tropical and subtropical climates, especially on dairy farms. Normally, EG is established alone under high fertilization levels. EG in organic production system can improve low production costs and environmental issues, are still little known. The aim of this research was to
An. Acad. Bras. Ciênc.. Publicado em: 13/05/2019
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10. ECONOMIC EVALUATION OF LETTUCE FERTILIZED WITH BIOMASS OF Calotropis procera IN TWO GROWING SEASONS
RESUMO A produção de hortaliças é uma atividade impactante, que se caracteriza pelo uso intensivo do solo, alta demanda de insumos e requer adoção estratégica de manejo, sobretudo em sistemas de produção sustentável, em que os pilares da sustentabilidade (ambiental, social e econômico) devem ser respeitados. Neste sentido, o objetivo desse trabalh
Rev. Caatinga. Publicado em: 09/05/2019
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11. Decomposition and Nutrient Release of Cover Crops in Mango Cultivation in Brazilian Semi-Arid Region
ABSTRACT Knowledge of the decomposition dynamics of aboveground phytomass and its release of nutrients in mixtures of cover crops as well as the impact on the soil tillage system is fundamental for the sustainable management of agroecosystems. This work aimed to evaluate whether soil tillage and the choice of cover crops cultivated in the interrows can be te
Rev. Bras. Ciênc. Solo. Publicado em: 29/04/2019
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12. Analysis of phonological processes in the acquisition of complex onset in children with typical phonological development
RESUMO Objetivo: descrever e analisar os processos fonológicos produzidos na aquisição do onset complexo por crianças com desenvolvimento fonológico típico entre 3;0 e 5;11 de idade, estudantes de uma creche-escola municipal pública de Maceió-AL. Métodos: foram incluídas 31 crianças sem comprometimentos auditivos, motores e(ou cognitivos. Os dad
Rev. CEFAC. Publicado em: 08/04/2019