Improving the design elements of sprayers to improve technologies in the protection of black currant against pests
DOI:
https://doi.org/10.15587/1729-4061.2017.101080Keywords:
black currant, phytophages, modernized sprayer, insecticides, specialized rolling stock, sucking pestsAbstract
The harmful organisms that prevent obtaining constant harvests of black currant are, first of all, the complex of sucking pests. The application of insecticides for the protection of black currant plantings against these phytophages depends primarily on the timely qualitative and effective treatment using the developed specialized rolling stock. In order to gain the desired effect, present study reports design features, which ensure the optimality of spraying zones due to the symmetrical double-sided arrangement of original arc-shaped brackets with nozzles relative to the axis of motion of the unit.
Improving effectiveness in spraying the bushes of black currants is provided by the spatial geometric location of nozzles in the layout diagram of the specialized rolling stock with the modernized sprayer OP-2000. For this purpose, we calculated the arc lengths of original brackets L=1250 and the inclination angles of nozzles α=33.3°.
As the present study revealed, the modernized sprayer OP-2000 (Ukraine) makes it possible to provide a reduction in the population density of plants with sucking pests by 5.8 times, which increases the harvest yield of berries by 0.8 t/ha. In this case, net profit increases by UAH 24573 per hectare at profitability of 386 %
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Copyright (c) 2017 Alla Bakalova, Volodymir Tytarenko, Victor Radko, Tetiana Klymenko, Oksana Trembitska
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