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Navegação Periódicos por título
Itens para a visualização no momento 1627-1646 of 2716
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(Editora UFLA, 2008-03)A segurança no trabalho é um tema que vem chamando muito a atenção do setor agrícola, devido à sua importância como um dos itens considerados para a aquisição da certificação, que agrega valor ao café e conseqüentemente, ... -
(Instituto Agronômico (IAC), 2010-07)A adequação de um cafezal para o sistema orgânico causa grande mudança no sistema de manejo de plantas daninhas, mas as informações sobre o comportamento da comunidade infestante em áreas de cultivo de café orgânico são ...
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(Escola Superior de Agricultura "Luiz de Queiroz", 2010-11)The overlap of generations of coffee berry borer (CBB), Hypothenemus hampei (Ferrari) under field conditions in countries like Colombia hinders the construction of life tables by the sampling of natural populations. In ...
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(Editora UFLA, 2017-07)Objetivou-se com este estudo, investigar as limitações fotossintéticas em folhas de café arábica, ‘Catuaí Vermelho’ (IAC 144), submetido ao déficit hídrico, utilizando para isso, os parâmetros de trocas gasosas da fotossíntese ...
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(Departamento de Engenharia Agrícola - UFCG, 2022-01-14)Litterfall is an important source of soil nutrients, but its decomposition can be affected by the crop system used. The objective of this study was to evaluate litterfall decomposition and macronutrient stocks in coffee ...
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(Sociedade Brasileira de Ciência do Solo, 2022-09-12)New management practices applied to coffee crops may influence the soil’s capacity to tolerate vertical stresses. This paper aimed to evaluate the influence of two coffee crop management systems on the soil load-bearing ...
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(Editora UFLA, 2013-03)It is essential to know the levels of pressure applied to the soil by different weed managements to adapt the management of coffee plantations in a sustainable manner. The objectives of this study were: a) to generate ...
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(Universidade Federal de Lavras, 2022-12-29)Rainfall exclusion experiments allow us assessing the effects of environmental stresses such as long-term water limitations on both leaf and canopy structural traits. This work aimed to evaluate how leaf anatomical traits ...
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(Editora UFLA, 2021)Coffee seedling production in cone-shaped containers and substrate results in lower sanitary risk and costs. With the use of small containers and sub strates with low fertilizer levels, fertigation is necessary for seedling ...
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(Empresa Brasileira de Pesquisa Agropecuária - Embrapa, 2009-11)The objective of this work was to evaluate photoprotective mechanisms related to low positive temperatures in Coffea canephora (Conilon clones 02 and 153) and C. arabica ('Catucaí' IPR 102) genotypes, involved in cold ...
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(Instituto Agronômico (IAC), 2005-10)O presente trabalho teve como objetivo avaliar a mobilização de macronutrientes de folhas para frutos em diferentes cultivares de café arábica, através de análises foliares periódicas. O experimento foi plantado em 1994 ...
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(Instituto Agronômico (IAC), 1960-08)O desenvolvimento do saco embrionário nas flores de Coffea Dewevrei é um processo mais demorado do que em C. canephora e muito mais lento do que em C. arabica. As primeiras divisões do megasporo funcional têm início no dia ...
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(Editora UFLA, 2018-07)The aim of this study was to verify the physiological impacts and the carbohydrate dynamics of Coffea arabica, seedlings subjected to increasing concentrations of magnesium (Mg) and two irradiance levels. Methods: The ...
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(Editora UFLA, 2020)The effective production of coffee seedlings faces many challenges, including seed germination. Therefore, a reduced seed germination period can be one of the most relevant contributions to enhance the testing and production ...
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(Sociedade Brasileira de Química, 2021)Coffee is one of the most popular beverages in the world, however, little information is found regarding the mineral composition of commercial roasted and ground coffees (RG) and its correlation with organic bioactive ...
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(Sociedade Brasileira de Fitopatologia (SBF), 2021)Bacterial halo blight (BHB), caused by Pseudomonas syringae pv. garcae, has reemerged as an important disease in Brazil, especially in coffee cultivated at high altitude in the states of Minas Gerais and São Paulo. In this ...
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(Editora UFLA, 2019-04)The leaf miner is a key pest of coffee and the use of insecticides for its control results in high water consumption. The objective in this study was to evaluate the quali-quantitative aspects of reduced spray volumes with ...
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(Universidade Federal de Lavras, 2022-12-28)The use of biofertilizers is a potential tool for the management of crop diseases. Coffee leaf rust, which is commonly controlled by triazole and strobilurin fungicides, is one of the main phytosanitary challenges associated ...
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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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(Sociedade Brasileira de Fitopatologia (SBF), 2007-10-01)In an experimental coffee (Coffea arabica) nursery in Campos dos Goytacazes, state of Rio de Janeiro, the occurrence of leaf necrosis, stem canker and girdling was observed, followed by death, in 2 to 5 month-old plants, ...
Itens para a visualização no momento 1627-1646 of 2716
