Hydraulic Nozzles
Mostrando 1-12 de 13 artigos, teses e dissertações.
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1. The automatic selection of hydraulic spray nozzles based on the psychrometric air conditions in hydropneumatic sprayers
ABSTRACT The aim of the current study is to develop an electronic system capable of automatically replacing hydraulic spray nozzles, based on psychrometric air conditions such as temperature and relative air humidity, in order to help improving the efficiency of application technologies. The system comprised one microcontroller, two solenoid valves, one temp
Rev. Ceres. Publicado em: 2020-02
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2. SPRAY DRIFT AND CATERPILLAR AND STINK BUG CONTROL FROM AERIAL APPLICATIONS WITH ELECTROSTATIC CHARGE AND ATOMIZER ON SOYBEAN CROP
ABSTRACT: The use of aerial application with electrostatic charge is an alternative to improve the quality of insecticide applications in soybean crop. The objective of this study was to evaluate the drift and chemical control of the caterpillar and stink bug complex promoted by aerial applications of insecticide in the soybean crop, using electrostatic spra
Eng. Agríc.. Publicado em: 2017-12
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3. SPRAY DRIFT AND PEST CONTROL FROM AERIAL APPLICATIONS ON SOYBEANS
ABSTRACT Pesticide drift is an issue in modern farming, mainly for crops under constant spraying as soybeans. This study aimed at assessing drift and pest control for aerial applications in soybean crops. Hydraulic nozzles and rotary atomizers, regulated to a wide spectrum of droplet sizes, sprayed thiamethoxam plus lambda-cyhalothrin using an agricultural a
Eng. Agríc.. Publicado em: 2017-06
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4. New mechanized system for circle spraying of oil palms seedling emergence
A new machine system has been designed, developed and evaluated for extensive circle spraying of oil palms (Elaeis guineensis Jacq.) in an effort to overcome the inefficient spraying problem with the conventional spraying system. The machine system consists of a four-wheeled drive 4WD prime mover with front mounted machine attachments for the circle spraying
Scientia Agricola. Publicado em: 2012-04
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5. Distribución volumétrica, simetría del chorro y diámetro de gotas de las boquillas TF-VS2
The knowledge of spray distribution pattern and analysis of droplets size of spray hydraulic nozzles turbo Floodjet TF-VS2 to adapt the spacing on spray boom are very important for a proper and correct use and recommendations. The aim of this study was to determine the maximum spacing on the horizontal spraying boom held on a patternator to the tips TF-VS2,
Planta Daninha. Publicado em: 2010-12
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6. Technical parameters for the white mold control using air- assisted hydraulic sprayer / Parâmetros técnicos para o controle do mofo-branco na cultura do feijão utilizando pulverizador hidráulico de barra com assistência de ar
The white mold, caused by the fungus Sclerotinia sclerotiorum, is one of the most destructive diseases of the bean plant in the world, especially in crops under conditions of mild temperatures and high soil and air humidity. In general, primary infections caused by this fungus start due to the presence of free water and an exogenous energy source, usually se
Publicado em: 2009
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7. Evaluation of boom hydraulic sprayers in the region of Uberlândia-MG / Avaliação de pulverizadores hidráulicos de barra na região de Uberlândia-MG
Any and every manner of pesticide application represents environmental risks, which must be minimized by the use of proper knowledge and technology, assuring a sustainable food production. Often, great importance is given to the pesticide and little to the application technique. The identification of the conservation state and mode of use of the sprayers in
Publicado em: 2009
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8. ESTIMATING SOIL WATER INFILTRATION BASED ON PEDOFUNCTIONS / ESTIMATIVA DA INFILTRAÇÃO DE ÁGUA NO SOLO A PARTIR DE PEDOFUNÇÕES
Knowledge on soil water infiltration is essential for the solution of problems concerning irrigation and drainage areas and those related to water and soil conservation research. In that regard, the aim of this paper was to model water infiltration rate and hydraulic conductivity in saturated soil by means of pedotransfer functions for soils of various physi
Publicado em: 2008
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9. Avaliação de dois sistemas para aplicação de agrotóxicos em citros / Performance of two application systems of pesticides in citrus
The aim of the work was to evaluate and compare two application spray systems of pesticides in citrus, aiming the reduction of the application volume rate in based in the amount of product that remains in the target (spray deposition) and distribution of the drops. Actually in the citrus orchard high application volumes rates for the pest control are used in
Publicado em: 2007
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10. Levels of deposition of liquid products with aerial application using adjuvants. / NÃveis de deposiÃÃo de produtos lÃquidos com aplicaÃÃo aÃrea utilizando adjuvantes
SANTOS, Roberto de Oliveira. Levels of deposition of liquid products with aerial application using adjuvants. 2007. 83 p. Dissertation (Master degree in Agricultural Engineering) - Federal University of Lavras, Lavras, Minas Gerais, Brazil.1 The use of agricultural aircrafts has been providing larger flexibility to the handling of implantation of cultures at
Publicado em: 2007
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11. Technical the application of glyphosate to agricultural product certifications / Tecnologia de aplicação do glyphosate para certificação de produtos agrícolas
This study was carried out to define parameters for glyphosate application in controlling the Brachiaria decumbens grass, by using a centrifugal pulverization system to establish possible technical criteria that can be screened. The pulverization system was developed on such a way to provide uniform pulverization conditions, therefore turning possible the ob
Publicado em: 2007
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12. Microsprinklers performance distributing wastewaters from poultry and cattle / Desempenho de microaspersores operando com águas residuárias de avicultura e de bovinocultura
This work was performed to determine hydraulics characteristics of the Fixed microsprinkler of the mark Carborundum when in operation with clear water, poultry wastewater and cattle wastewater, moreover, the susceptibility to clogging up of the microsprinkler that distributes wastewater from poultry and cattle and determine the maxim concentration of total s
Publicado em: 2005