Scientific Journal of KubSAU

Polythematic online scientific journal
of Kuban State Agrarian University
ISSN 1990-4665
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Borisova Svetlana Mikhailovna

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associated professor

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Kuban State Agrarian University

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Articles count: 2

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abstract 1491905001 issue 149 pp. 0 – 0 31.05.2019 ru 136
The urgency of the task in creating a reliable plant protection system is the improvement and development of new technologies for spraying crops on the basis of fundamentally new agricultural requirements at a higher quality level, increasing productivity, reducing energy costs and greening protective measures. Pneumatic slotted sprayers have great design capabilities allowing obtaining operating parameters necessary for the specific task of the sprayer. In this regard, we have proposed a technological scheme of the sprayer in the garden-vineyard version. To do this, the sprayers are placed in pneumatic ducts of the fans mounted on the sprayers. It is possible to reduce energy and resource costs, to achieve high quality indicators of the process and to increase the level of environmental friendliness by developing technical means for ultra-low-volume spraying. The principal novelty in solving the problem of ultra-low volume spraying is the use of KubSAU design pneumatic sprayers on the sprayer, and the scheme of the technological process, allowing the reduction of the working fluid and pesticides doses rate, resulting in reduced operating costs to support operations: preparation of working fluids and filling the sprayers. To process two rows simultaneously, it is possible to use sprayers equipped with two centrifugal fans with the installation of pneumatic slit sprayers with fixation in the ducts that they overlap, forcing the air from the fan to pass through the atomizer body, mixing with drops of working fluid. In this case, the speed of the air-droplet jets increases and more efficient use of the air jet from the fan occur. Along with the use of sprayers, equipped with KubSAU design pneumatic sprayers, to combat pests and diseases, we propose to use a sprayer to combat weeds in the trunk area of perennial plantations. Thus we have a family of ultra-low volume sprayers with pneumatic slotted sprayers of the Kuban State Agrarian University design