Mariane C. da Costa, G. G. Zimmermann, S. P. Jasper, D. Savi, G. A. Oliveira
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INTERFERENCE OF OPERATING SPEED AND PHYSICAL PROPERTIES OF GRANULATED FERTILIZERS WITH THEIR DEPOSITION
Uniformity in the deposition of granulated fertilizers in the seed furrow is essential for crop development and productivity. Quantitative (dose and flow) and qualitative factors (segregation and formulation) influence granulated fertilizer distribution throughout its application. This experiment aimed to compare the deposition of two granulated fertilizers with different chemical formulations (04-14-08 and 04-30-10), using the helical overflow metering mechanism at three different operating speeds (4.0, 7.0, and 10.0 km h −1 ), simulated on an electronic bench. The granulated fertilizers were analyzed for particle size, density, angle of repose, and water content. On the other hand, the deposition data were subjected to descriptive statistics and frequency histograms. The angle of repose and water content did not differ between fertilizers, while the density difference was not significant.
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A revista Engenharia Agrícola existe desde 1972 como o principal veículo editorial de caráter técnico-científico da SBEA - Associação Brasileira de Engenharia Agrícola.
Publicar artigos científicos, artigos técnicos e revisões bibliográficas inéditos, fomentando a divulgação do conhecimento prático e científico na área de Engenharia Agrícola.
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