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Mostrando ítems 1-10 de 92
Cobertura da cultura da soja pela calda fungicida em função, de pontas de pulverização e volumes de aplicação
(2009-05-01)
The goal of this research was to evaluate two tips of spraying nozzles (hollow cone nozzle and two flat fan nozzle annexed to a nozzle body DUO) and three spray volumes (100, 150 and 200 dm3 ha-1), whose application was ...
Cobertura da cultura da soja pela calda fungicida em função, de pontas de pulverização e volumes de aplicação
(2009-05-01)
The goal of this research was to evaluate two tips of spraying nozzles (hollow cone nozzle and two flat fan nozzle annexed to a nozzle body DUO) and three spray volumes (100, 150 and 200 dm3 ha-1), whose application was ...
Air-assistance in spray booms which have different spray volumes and nozzle types for chemically controlling spodoptera frugiperda on corn
(2012-04-01)
The study aimed to evaluate the performance of air assistance in spray booms using different types of nozzles and spray volumes. We took into account spray deposits, fall armyworm control and crop corn performance in a ...
Air-assistance in spray booms which have different spray volumes and nozzle types for chemically controlling spodoptera frugiperda on corn
(2012-04-01)
The study aimed to evaluate the performance of air assistance in spray booms using different types of nozzles and spray volumes. We took into account spray deposits, fall armyworm control and crop corn performance in a ...
Influence of working pressure and spray nozzle on the distribution of spray liquid in manual backpack sprayers
(Instituto Biológico, 2019-12-2)
Manual backpack sprayers are widely used in rural properties in Brazil. However, studies that assess their working characteristics, especially spray tip models and working pressure conditions, are scarce. Thus, the aim of ...
Influência da pressão e da ponta de pulverização na distribuição de caldas em pulverizadores costais manuais
(Universidade Estadual Paulista (Unesp), 2018-04-27)
O uso de pulverizadores costais manuais no Brasil é frequente em todas as propriedades rurais. Entretanto, são escassos os trabalhos de pesquisa que avaliem as suas características de trabalho, sobretudo com o modelo de ...
Spray nozzles and droplet size effects on soybean canopy deposits and stink bugs control in west region of Sao Paulo state-Brazil
(Springer, 2020-01-29)
Stink bugs are one of the most relevant pest affecting soybean yields beyond the physiological and sanitary quality of the soybean seeds. The aim of the present study was to evaluate the effect of spray nozzles and droplet ...
Investigação de imagens do spray como estimativa de qualidade de bicos aspersores de spray cônico vazado
(Universidade Estadual Paulista (Unesp), 2019-07-26)
Bicos aspersores são amplamente aplicados para irrigação, selecionados de acordo com a distribuição de spray desejada. Os defeitos apresentados nos bicos resultam em falhas na distribuição do spray, prejudicando a uniformidade ...