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Variable rate application of potassium fertilizer for soybean crop growth in a no-till system. Author(s): BERNARDI, A. C. C.; GIMENEZ, L. M.; SILVA, C. A.; MACHADO, P. L. O. A. Variable rate application of fertilizer has the potential to improve nutrient use efficiency, improve economic returns, and reduce negative environmental impacts. The objective of this study was to ev... ... Repository: BDPA Publication year: 2010
Mepiquat chloride application on cotton at variable rate. Author(s): MAGALHAES, P. S. G.; QUEIROS, L. R.; GADANHA, C. D. Mepiquat chloride (1.1 - dimethylpiperidinium chloride) are used to control excessive vegetative growth in cotton (Gossypium hirsutum L.) broadcast sprayed by ground or air. As proven by previous rese... ... Repository: BDPA Publication year: 2010
Zonal application of plant growth regulator in cotton to reduce variability and increase yield in a highly variable field. Author(s): VAZ, C. M. P.; FRANCHINI, J. C.; SPERANZA, E. A.; INAMASU, R. Y.; JORGE, L. A. de C.; RABELLO, L. M.; LOPES, I. de O. N.; CHAGAS, S. das; SOUZA, J. L. R. de; SOUZA, M. de; PIRES, A.; SCHEPERS, J. Variable-rate application has great potential to reduce variability and increase yield by spatially optimizing agricultural inputs. In cotton, plant growth regulators (PGRs) control excessive growth a... ... Repository: BDPA Publication year: 2023
Flow and pressure regulation for agricultural sprayers using solenoid valves. Author(s): MERCALDI, H. V.; PEÑALOZA, E. A. G.; MARIANO, R. A.; OLIVEIRA, V. A.; CRUVINEL, P. E. Repository: BDPA Publication year: 2017
Application rate and nozzles associated with droplet electrification affect the spraying quality in common bean. Author(s): MELLO, C. E. L.; CARMO, E. L. do; BRAZ, G. B. P.; PROCOPIO, S. de O.; SIMON, G. A.; SOUZA, M. de F.; ARAÚJO, G. E. S. de; LINS, H. A. Abstract: The objective of this work was to evaluate the application efficiency of different nozzle tips associated with increasing application rates. A field experiment was conducted in a factorial 3... ... Repository: BDPA Publication year: 2024
Optimizing nutrient use in an integrated system with precision agriculture tools optimizing nutrient use in an integrated system with precision agriculture tools. Author(s): BERNARDI, A. C. de C.; OLIVEIRA, Y.; OLIVEIRA, P. P. A.; PEDROSO, A. de F.; GARCIA, A. R.; PEZZOPANE, J. R. M. Integrated crop-livestock-forest systems (ICLFs) are a sustainable strategy for land use intensification, integrating annual crops, trees, and livestock in the same area and season. Repository: BDPA Publication year: 2024
Aplicação de nitrogênio a taxa variável em cultura de trigo: estudo de caso na Unidade Piloto de Agricultura de Precisão de Não-Me-Toque, RS. Author(s): PIRES, J. L. F.; CORASSA, G. M.; RAMBO, A. C.; KERBER, L.; PASINATO, A.; DALMAGO, G. A.; SILVA JUNIOR, J. P. da; SANTI, A.; SANTI, A. L.; GUARIENTI, E. M.; CUNHA, G. R. da; STRIEDER, M. L.; FOCHESATTO, E. O uso de sensores ópticos ativos como ferramenta para a definição da dose de nitrogênio a ser aplicada em cobertura na cultura do trigo é tecnologia disponível e em uso no Brasil. Com o objetivo de re... ... Repository: BDPA Publication year: 2014
Estimation of nitrogen and phosphorus content in cotton leaves from medium-resolution satellite images. Author(s): BRANDÃO, Z. N.; GREGO, C. R.; GONDIM, T. M. de S.; RODRIGUES, H. M. Satellite images are valuable tools to assess the nutritional status of plants and, thus, understand the variability of cotton yield in farmers' fields. By identifying soil variability and nutritional... ... Repository: BDPA Publication year: 2024
Seleção de genótipos de mandioca com índices não paramétricos. Author(s): LESSA, L. S.; LEDO, C. A. da S.; SANTOS, V. da S. Este trabalho objetivou selecionar genótipos de mandioca com base em três índices não paramétricos. Avaliaram-se oito genótipos de mandioca com base nas características: altura de plantas e da primeir... ... Repository: BDPA Publication year: 2017
Wheat yield and seed physiological quality as influenced by seed vigor, nitrogen fertilization and edaphoclimatic conditions. Author(s): SOUZA, D. N. de; SILVA, S. R.; MARINHO, J. L.; BAZZO, J. H. B.; FONSECA, I. C. de B.; ZUCARELI, C. Abstract Wheat is one of the most important cereals grown in the world, and in Brazil, increasing national production is still a challenge. Nitrogen (N) supply can favor grain yield and the physiologi... ... Repository: BDPA Publication year: 2021

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