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Meteorological variables and soil moisture in the detachment force coffee fruit
da Silva, Flávio Castro; da Silva, Fábio Moreira; Sales, Ronan Souza; Ferraz, Gabriel Araújo e Silva; de Barros, Murilo MachadoThis study aimed to identify whether climatic and soil moisture variables are related with the variation of detachment force coffee fruits (Coffea arabica L.) during the crop harvest period. The research was carried out at Departamento de Agricultura at Universidade Federal de Lavras (UFLA) trying to analyze the behavior of detachment force coffee fruits in green and cherry maturation throughout the crop harves...
Evaluation of a variable rate fertilizer application system adpted to coffee crop
de Barros, Murilo Machado; Volpato, Carlos Eduardo Silva; Silva, Flávio Castro da; Palma, Marcos Antônio Zambillo; Spagnolo, Roger ToscanAn extremely important factor in the production of coffee and other crops is the distribution of fertilizers on the soil, because the efficient use of this technique may increase productivity, reduces production costs and environmental impacts. Precision Agriculture is an important tool to be used, that aids the achievement of localized and rational application of fertilizers, increasing the management activiti...
Operacional performance of mechanically harvested coffee and selectivity in acc...
da Silva, Flávio Castro; da Silva, Fábio Moreira; da Silva, Antônio Carlos; de Barros, Murilo Machado; Zambillo Palma, Marcos AntônioIn mechanized harvesting, one of the difficulties encountered by farmers is to determine the appropriate time to start harvesting, as well as vibration and determine the most appropriate operating speed for each cultivar during the harvest period. In general, the regulation of vibration and operating speed of the harvester has been made by producers in an empirical way, by trial, seeking greater operational per...