Results 31 to 40 of about 172,996 (312)

AVALIAÇÃO DA ATIVIDADE ANTIOXIDANTE DE Pfaffia glabrata

open access: yesRevista UniVap, 2016
Plantas do gênero Pfaffia pertencente à família Amaranthaceae, são conhecidas popularmente como “Ginseng brasileiro” ou “para tudo”, devido a sua alta eficiência em diversos tratamentos.
Tamiris Rocha Fanti Raimundo   +2 more
doaj   +1 more source

RECUPERAÇÃO DA COBERTURA VEGETAL E DA ATIVIDADE FOTOSSINTÉTICA EM JAZIDAS REVEGETADAS NO DISTRITO FEDERAL

open access: yesRevista Brasileira de Ciências Ambientais, 2017
A recuperação da cobertura vegetal e da capacidade de produção de biomassa são etapas essenciais para a reabilitação de ecossistemas. Por esse motivo, este trabalho avaliou, com o uso de sensoriamento remoto, o padrão temporal de desenvolvimento da ...
Rodrigo Studart Corrêa   +4 more
doaj   +1 more source

Spouted bed drying parameters and adjuvant effects on polyphenol retention and antioxidant activity in mango peel powders

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Spouted bed drying of mango peels with colloidal SiO2 and corn starch produces a free‐flowing powder with reduced agglomeration, increased drying yield, and preserved antioxidant and polyphenol content. Abstract The production of polyphenol‐rich powders is a promising strategy for valorizing agro‐industrial byproducts. This study evaluated drying yield,
Guilherme Henrique Alves Pinto   +3 more
wiley   +1 more source

Identity Transitions of Tapetum Phases: Insights into Vesicular Dynamics and in Mortem Support During Pollen Maturation

open access: yesPlants
Flower development progresses through twelve distinct stages, meticulously regulated to optimize plant reproductive success. At stage 5, the initiation of anther development occurs, which is further categorized into 14 stages divided into two defined ...
Gabriel Luis L. S. Moreira   +2 more
doaj   +1 more source

From theory to practice: professional experimentation in the course of graphic design [PDF]

open access: yes, 2011
Da teoria à prática: a experimentação profissional no curso de design gráficoEste artigo relata um caso de aproximação de estudantes de design com o mercado de trabalho.
Dickie, Isadora Burmeister   +2 more
core  

By‐product of heparin extraction as a sustainable alternative to enhance the use of nitrogen in agriculture

open access: yesEnvironmental Progress &Sustainable Energy, EarlyView.
Abstract This study evaluates the potential of a new organic fertilizer derived from porcine intestinal mucosa (designated BHE), a by‐product of the heparin extraction process, as a sustainable nitrogen (N) source for agriculture. The work was conducted in two stages: (i) chemical and spectroscopic characterization of BHE compared with poultry litter ...
Aline Zanquetti   +3 more
wiley   +1 more source

Utilização de carvão e subprodutos da carbonização vegetal na agricultura: aprendendo com as Terras Pretas de Índio. [PDF]

open access: yes, 2017
A Carbonização Vegetal. Físico química da carbonização vegetal. Características e propriedades do carvão e de subprodutos da carbonização vegetal. Carvão. Alcatrão vegetal. Ácido pirolenhoso.
BENITES, V. de M.   +3 more
core  

Mulching Increases Water Use Efficiency, Production and Profitability in Forage Cactus–Maize Intercropping Systems

open access: yesIrrigation and Drainage, EarlyView.
ABSTRACT This study evaluated the growth, forage production, soil water balance, water indices, biological efficiency and competitive capacity of forage cactus and maize in monoculture and intercropping, with or without mulch. The experiment was conducted in Serra Talhada, Pernambuco, Brazil, using the cactus clone ‘Orelha de Elefante Mexicana’ (OEM ...
Kaique Renan da Silva Salvador   +13 more
wiley   +1 more source

Genomic Analysis of Terpene Synthase Family and Functional Characterization of Seven Sesquiterpene Synthases from Citrus sinensis

open access: yesFrontiers in Plant Science, 2017
Citrus aroma and flavor, chief traits of fruit quality, are derived from their high content in essential oils of most plant tissues, including leaves, stems, flowers, and fruits.
Berta Alquézar   +6 more
doaj   +1 more source

Soma térmica de algumas fases do ciclo de desenvolvimento da batata (Solanum tuberosum L.) [PDF]

open access: yesCiência Rural, 2005
O método da soma térmica tem sido usado para representar o efeito da temperatura do ar sobre o crescimento e desenvolvimento das plantas, por ser um método simples e uma melhor medida de tempo biológico do que dias do calendário civil ou dias após a ...
Fabiana Luiza Matielo de Paula   +5 more
doaj   +1 more source

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