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Navegação Periódicos por título
Itens para a visualização no momento 2443-2462 of 2719
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(Sociedade Brasileira de Ciência do Solo, 2009-09)Assessing the spatial variability of soil chemical properties has become an important aspect of soil management strategies with a view to higher crop yields with minimal environmental degradation. This study was carried ... -
(Editora UFLA, 2018-07)The intensive use of machines in agriculture tends to cause soil compaction, which can hamper the expansion of root system and the absorption of water and nutrients, thus affecting the crop development. In view of the ...
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(Editora UFLA, 2010-09)Mapping the plant nutritional condition allows viewing different regions in a cropping area, providing the producers with different criteria to use foliar and soil fertilization. The aim of this study was to evaluate the ...
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(Editora UFLA, 2015-10)Utilizing precision farming techniques along with the Diagnosis and Recommendation Integrated System (DRIS) allows crop management to be improved, thereby making it possible to better control plant nutrition and to assist ...
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(Departamento de Engenharia Agrícola - UFCG, 2010-02)Scientific investigations about crop water requirements are of fundamental importance to the irrigation process. The main objective of this paper is to analyze and to map water requirements of coffee crop in Minas Gerais ...
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(Editora UFLA, 2019-07)The ecophysiological parameters of coffee canopy were mapped throughout the day. Therefore, evaluations were carried out in ‘Catuaí Vermelho’ Coffea arabica L., measuring 1.7 meters. A vertical gradient (from the apex to ...
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(Escola Superior de Agricultura "Luiz de Queiroz", 2009-01)The study of pest distributions in space and time in agricultural systems provides important information for the optimization of integrated pest management programs and for the planning of experiments. Two statistical ...
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(Editora UFLA, 2019-07)The spatial variability of the total chlorophyll content and carotenoids content, starch and soluble sugars of coffee canopy were mapped throughout the day. Therefore, evaluations were carried out in a ‘Catuaí Vermelho’ ...
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(Instituto Oswaldo Cruz, Ministério da Saúde, 2014-02)The composition and seasonal occurrence of sandflies were investigated in coffee agroecosystems in the Soconusco region of Chiapas, Mexico. Insect sampling was performed on three plantations located at different altitudes: ...
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(Sociedade Brasileira de Química, 2014)Fingerprints of self-shaded and sunlight-exposed leaves of the same Coffea arabica plant were obtained to determine metabolic concentration changes owing to different light environments and phenological stages. Leaf extract ...
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(Associação Brasileira de Engenharia Agrícola, 2016-07)The coffee crop requires great spray ability to penetrate into the plant canopy during the application of pesticides. The aim of this study was to evaluate the spray deposition on leaves of coffee plants and the chemical ...
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(Editora UFLA, 2016-07)The coffee leaf extract formulation has been used as resistance inductor in plants and to control phytopathologies. This work aimed to study the influence of spray drying process variables with the use of maltodextrin as ...
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(Associação Brasileira de Engenharia Agrícola, 2019)Agricultural spray adjuvants (ASA) are widely used in pesticide applications to enhance the performance of pesticides. The aim of this research was to investigate the effects of ASA on static surface tension (SST) and ...
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(Escola de Agronomia - UFG, 2021)Para o sucesso do controle fitossanitário no cafeeiro, é importante uma correta deposição de calda ao longo do dossel. Contudo, a estrutura da planta dificulta essa distribuição. Objetivouse avaliar a deposição de um ...
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(Editora UFLA, 2018-10)Vegetative propagation of arabica coffee plants selected by their agronomic value has been accomplished routinely in Brazil for scientific purposes, through somatic embryogenesis and rooting of stem cuttings. Somatic ...
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(Instituto de Tecnologia do Paraná - Tecpar, 2014-01)This study compared the regular and decaffeinated coffees in relation to antioxidant capacity, levels of some antioxidant molecules and stability of these parameters over a six-month period under different storage conditions. ...
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(Associação Brasileira de Engenharia Agrícola, 2013-03)In this study it was evaluated the start-up procedures of anaerobic treatment system with three horizontal anaerobic reactors (R1, R2 and R3), installed in series, with volume of 1.2 L each. R1 had sludge blanket, and R2 ...
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(Editora da Universidade Estadual de Maringá - EDUEM, 2019)The identification and interpretation of discrepant observations in sensory experiments are difficult to implement since the external effects are associated with the individual consumer. This fact becomes more relevant in ...
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(Sociedade Brasileira de Zootecnia, 2011-02)Two experiments were carried out with the objective of evaluating the performance and carcass traits of growing and finishing pigs fed rations with sticky coffee hull silage. In experiment 1, the coffee hulls were ground ...
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(Editora UFLA, 2014-01)Research evaluating the impact of different management systems coffee are essential for determining soil quality. The objective of this study was to evaluate the impact of production systems for organic coffee and agroforestry ...
Itens para a visualização no momento 2443-2462 of 2719
