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Navegação Revista Ciência Agronômica por assunto "Coffea arabica L."

Navegação Revista Ciência Agronômica por assunto "Coffea arabica L."

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  • Analysis of defects in coffee beans compared to biplots for simultaneous tables
    Brighenti, Carla Regina Guimarães; Cirillo, Marcelo Angelo (Universidade Federal do Ceará, 2018-01)
    The demand for high quality coffee has become a consolidated criterion to achieve the best prices. Currently, cooperatives evaluate the coffee beans mainly through the particle size and the number of defects in the sample. ...
  • Avaliação do teor de cafeína em folhas e grãos de acessos de café arábica
    Teixeira, Alexsandro Lara; Prado, Paulo Eduardo Rodrigues; Dias, Kaio Olimpio das Graças; Malta, Marcelo Ribeiro; Gonçalves, Flávia Maria Avelar (Universidade Federal do Ceará, 2012-01)
    O presente trabalho teve como objetivo identificar, dentro do banco de germoplasma do estado de Minas Gerais, acessos de Coffea arabica L. com baixos teores de cafeína e verificar a existência de correlação entre o teor ...
  • Critical ranges for leaf nitrogen and potassium levels in coffee fertigated at the production phase
    Assis, Gleice Aparecida de; Guimarães, Rubens José; Colombo, Alberto; Scalco, Myriane Stella; Dominghetti, Anderson William (Universidade Federal do Ceará, 2015-01)
    With the aim of establishing critical ranges for the leaf nitrogen (N) and potassium (K) levels in fertigated coffee crops under production, an experiment was carried out in the experimental area of the Sector for Coffee ...
  • Quantitative analysis of growth in coffee plants cultivated with a water-retaining polymer in an irrigated system
    Souza, Antonio Jackson de Jesus; Guimarães, Rubens José; Colombo, Alberto; Sant’Ana, José Antonio do Vale; Castanheira, Dalyse Toledo (Universidade Federal do Ceará, 2016-01)
    This study aimed to evaluate the use of hydro polymer retainer in the quantitative growth of coffee plants at different levels of irrigation and soil types. The experiment was conducted in pots with seedlings bag in the ...
  • Water-retaining polymer and seedling type when planting irrigated coffee
    Souza, Antonio Jackson Jesus; Guimarães, Rubens José; Dominghetti, Anderson William; Scalco, Myriane Stella; Rezende, Tiago Teruel (Universidade Federal do Ceará, 2016-04)
    The aim of this work was to evaluate the use of a water-retaining polymer on the initial growth of coffee plants for different levels of irrigation and types of seedling. The experiment was set up in pots with a clayey ...

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