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Navegação Periódicos por título
Itens para a visualização no momento 916-935 of 2789
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(Sociedade Brasileira de Ciência do Solo, 2013-07)O desbalanço entre Ca 2+ , Mg 2+ e K + no solo como consequência das aplicações elevadas de gesso deve-se às relações de tamanho (raio iônico) e densidades de cargas (relação carga/raio) de cada espécie iônica. Quanto maior ... -
(Editora UFLA, 2015-04)A colheita do café (Coffea arabica L.) é um processo oneroso que demanda elevado custo com mão de obra, cada vez mais escassa, sendo o processo de mecanização um caminho para o agricultor se manter na atividade. Objetivou-se, ...
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(Editora UFLA, 2014-07)A greater supply of nitrogen in the substrate using organic compost for coffee (Coffea arabica L.) seedlings can increase the effects of phosphorus in the plant and thereby promoting growth of biomass, enhancing the growth ...
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(Universidade Federal de Santa Maria, 2017-08)This study aimed to verify if the growth pattern of coffee berries, considering fresh mass accumulation over time, is double sigmoid and to select the most suitable nonlinear model to describe such behavior. Data used ...
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(Departamento de Engenharia Agrícola - UFCG, 2014-11)Irrigation associated to reduction on planting spaces between rows and between coffee plants has been a featured practice in coffee cultivation. The objective of the present study was to assess, over a period of five ...
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(Editora UFLA, 2009-07)Objetivou-se neste estudo avaliar a ocorrência de drosofilídeos e de seus parasitoides em frutos de café em Cravinhos, SP. Foram coletados frutos em estádio de cereja diretamente das plantas e parte deles foi exposta em ...
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Dry matter and macronutrient accumulation in fruits of conilon coffee with different ripening cycles(Sociedade Brasileira de Ciência do Solo, 2014-01)The period between anthesis and fruit ripening varies according to the Conilon coffee (Coffea canephora) genotype. Therefore, the time of the nutritional requirements for fruit formation may differ, depending on the formation ...
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(Editora UFLA, 2013-04)Faced with the importance of the drying in the post-harvest phase of coffee and its influence in the final quality of the product, the current study had the aim of evaluating the kinetics of the drying in different ...
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(Editora UFLA, 2017-07)The present study proposes a new processing and drying method and evaluates the behavior of grains subjected to this process through the water reduction rate and the adjustment of different mathematical models. Mature beans ...
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(Editora UFLA, 2014-01)Spent coffee grounds is a byproduct from the soluble coffee company. Besides its use as animal feed or lipid source, it presents a high potential as biofuel. Whatever the application, to be useful, the product has to loose ...
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(Universidade de São Paulo, Escola Superior de Agricultura, 1972-10-31)Coffea dewevrei var. excelsa and Coffea canephora var. robusta are recorded as new hosts for Meloidogyne coffeicola (Nemata, Heteroderidae). Robusta coffee was found also attacked by M. javanica. Symptoms shown by roots ...
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(Editora UFLA, 2016-01)The development of an efficient machine for harvesting coffee requires comprehensive knowledge of the dynamic behavior of the plant and its parts. The finite element method is a numerical approach used to determine natural ...
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(Universidade Federal de São Carlos, 2022-10-07)Coffee is a strategic cash crop for poverty reduction and economic growth in Nigeria, and it is consumed worldwide, making it a significant source of income at both the micro and macro levels. This study analysed the trends ...
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(Editora UFLA, 2018-07)Coffee processing generates large amounts of husk, which can be used as organic fertilizer if technical criteria are considered. This study investigated the effect of coffee husk, applied to or incorporated into the soil, ...
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(Universidade Federal de Viçosa, 2020)In Coffea canephora, the number of orthotropic shoots is directly related to plant yield. The objective of this study was to evaluate the vegetative and yield performance of Coffea canephora, from the botanical variety ...
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(Escola de Agronomia - UFG, 2022-08-15)The development of more drought-tolerant cultivars is essential for the maintenance of global agricultural production. This study aimed to perform an early selection of drought-tolerant Coffea arabica genotypes by evaluating ...
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(Empresa Brasileira de Pesquisa Agropecuária - Embrapa, 2009-08)The objective of this work was to evaluate the effect of organic and conventional coffee crops on biomass, population density and diversity of earthworms, in Lerroville, district of Londrina County, Paraná state, Brazil. ...
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(Editora UFLA, 2015-05)Agroforestry systems can reduce the risks of investing in just one crop. However, there are uncertainties like other agricultural and forestry activities. Therefore, there is the need for economic studies under conditions ...
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(Empresa Brasileira de Pesquisa Agropecuária - Embrapa, 2017-12)The objective of this work was to estimate the coffee supply by calibrating statistical models with economic and climatic variables for the main producing regions of the state of São Paulo, Brazil. The regions were Batatais, ...
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(Editora UFLA, 2019-04)Recent studies have shown that coffee production costs have been rising above inflation and that the activity has become less attractive to producers. One of the ways to try reducing costs is through the mechanization of ...
Itens para a visualização no momento 916-935 of 2789
