Pesticide Application Quality With Alternative Use of Water Sensitive Paper

João Paulo Tomasini Castoldi, Diandra Ganascini, Luciene Kazue Tokura, Eduardo Lange Sutil, Soni Willian Haupenthal, Bruna de Villa, Isaque Souza Mendes, Alessandra Mayumi Tokura Alovisi, Jessica Cristina Urbanski Laureth and Márcio Furlan Maggi

Journal of Agricultural Science, 2024, vol. 11, issue 6, 528

Abstract: The water sensitive paper is commonly used in the uniformity and distribution ratings of the spray droplets pattern; however, this technology still has a high cost. In this way, the present work had as objective to evaluate the quality of deposition of spray drops in different types of papers sensitive to water. The test was carried out in a wind tunnel built inside the multi-sport gymnasium of the State University of West Paraná-campus of Cascavel-PR. A semi-automated nozzle transition prototype was used to perform the tests. The variables evaluated were number of diameters, dispersion, volumetric medium diameter (VMD), droplet density, cover and droplet volume. The treatments consisted of four different types of paper compared to the water sensitive paper (control), and two nozzles. Cardboard paper stood out among the others at the cost of approximately 1% of a water-sensitive paper slip. The water sensitive paper used in agriculture can be replaced by alternative papers more economically viable and easily found in the market.

Date: 2024
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