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Biblioteca do Café
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Navegação Revista Brasileira de Engenharia Agrícola e Ambiental por data do documento
Itens para a visualização no momento 61-80 of 86
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(Departamento de Engenharia Agrícola - UFCG, 2014-12)O objetivo deste trabalho foi avaliar, em doses crescentes de fósforo, o efeito de lâminas de irrigação no teor foliar de fósforo de cafeeiros em estágio de primeiro ano de produção. O plantio (Topázio MG–1190) foi realizado ... -
(Departamento de Engenharia Agrícola - UFCG, 2015-03)O método de elementos finitos tem sido empregado no projeto de máquinas e para o estudo do comportamento dinâmico do cafeeiro. Objetivou-se, neste trabalho, determinar as propriedades geométricas, físicas e mecânicas do ...
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(Departamento de Engenharia Agrícola - UFCG, 2015-12)Em lavouras de primeira safra a colheita mecanizada do café apresenta restrições quanto à sua utilização. Há pressuposições de que esse tipo de colheita possa elevar os danos às plantas e aumentar a quantidade de café caído ...
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(Departamento de Engenharia Agrícola - UFCG, 2016-02)This study aimed to make a simulation of the internal environment of an installations for coffee post-harvest and a parabolic solar dryer, specifically analyzing the effect of natural ventilation on the temperature and ...
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(Departamento de Engenharia Agrícola - UFCG, 2016-06)The present study evaluates the influence of the level of roasting and the grind size on the moisture content and repose angle of coffee during storage. Raw coffee beans (Coffea canephora and Coffea arabica), hulled and ...
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(Departamento de Engenharia Agrícola - UFCG, 2016-07)The determination of physical properties is an important factor in the design of machinery and the scaling of post-harvest operations. The present study evaluates the influence of the level of roasting and the size of ...
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(Departamento de Engenharia Agrícola - UFCG, 2016-09)Ozone is used in many countries for the treatment of effluents, becoming a viable alternative in sanitation of coffee wastewater. However, the strong ozone oxidation, responsible for its germicidal effect, can also compromise ...
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(Departamento de Engenharia Agrícola - UFCG, 2016-10)In super-mechanized coffee harvesting system, all operations are performed mechanically. In order to improve the logistics of mechanized agricultural operations, the knowledge on the variables that affect the operational ...
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(Departamento de Engenharia Agrícola - UFCG, 2017-01)The objective of the study was to use methodology of simultaneous optimization of multiple responses applied to an experimental design to determine the best combination of storage period and conditions for preservation of ...
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(Departamento de Engenharia Agrícola - UFCG, 2017-02)This study aimed to apply precision agriculture techniques in coffee production, using correlation analysis in the definition of management zones. This work was carried out in a 22-ha area of coffee (Coffea arabica L.), ...
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(Departamento de Engenharia Agrícola - UFCG, 2017-06)To make the coffee activity competitive, some farmers use precision coffee farming. Thus, it is possible to create thematic maps that guide management practices for regions where there are limitation for the plant development. ...
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(Departamento de Engenharia Agrícola - UFCG, 2018)Water stress can be alleviated in plants inoculated with arbuscular mycorrhizal fungi compared to that experienced by those without mycorrhizae. The objective of this study was to evaluate the growth of coffee plants ...
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(Departamento de Engenharia Agrícola - UFCG, 2018-06)The objective of this study was to evaluate nitrogen losses by NH 3 volatilization and quantify the upward and downward NO 3- flows in Latosol cultivated with arabica coffee. An experiment was set in 2010, in Viçosa-MG, ...
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(Departamento de Engenharia Agrícola - UFCG, 2018-07)Coffee harvesters are subject to stresses and vibrations in their structure, originating from engines and harvesting system. These structures must be designed to avoid rupturing of the components due to fragility of the ...
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(Departamento de Engenharia Agrícola - UFCG, 2018-09)Coffee quality is an essential aspect to increase its commercial value and for the Brazilian coffee business to remain prominent in the world market. Fruit maturity stage at harvest is an important factor that affects the ...
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(Departamento de Engenharia Agrícola - UFCG, 2019)The final destination of solid industrial waste is one of the main environmental problems currently facing, due to its potential for contamination. With the evolution of environmental policy and awareness, the proper ...
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(Departamento de Engenharia Agrícola - UFCG, 2020)Information obtained from studies of spatial variability and the Diagnosis and Recommendation Integrated System (DRIS) may contribute to understanding better the relationship between mineral nutrient balance and factors ...
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(Departamento de Engenharia Agrícola - UFCG, 2020)Cutting is the main vegetative propagation method used for the production of Coffea canephora plantlets. In this method, parent plants are conducted in a specific field, called clonal garden, which must be managed to produce ...
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(Departamento de Engenharia Agrícola - UFCG, 2020)The form of occupation of the state of Rondônia, Brazil, favored the extensive agriculture, which resulted in a fast deforestation. The removal of forests and inadequate soil management and use, combined with a hot and wet ...
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(Departamento de Engenharia Agrícola - UFCG, 2020)The harvest of green coffee fruits affects their quality; they should be separated from the ripe fruits during processing. The proportion of harvested green fruits can be high, requiring information and technologies to ...
Itens para a visualização no momento 61-80 of 86
