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Type of publication: research article
Type of publication (PDB): Straipsnis Clarivate Analytics Web of Science / Article in Clarivate Analytics Web of Science (S1)
Field of Science: Aplinkos inžinerija / Environmental engineering (T004);Agronomija / Agronomy (A001)
Author(s): Zinkevičienė, Raimonda;Jotautienė, Eglė;Juostas, Antanas;Comparetti, Antonio;Vaiciukevičius, Edvardas
Title: Simulation of granular organic fertilizer application by centrifugal spreader
Is part of: Agronomy-Basel. Basel : MDPI AG, 2021, vol. 11 iss. 2
Extent: p. 1-13
Date: 2021
Note: Article no. 247
Keywords: Biofertilizer;Extended distinct element method;Manure;Spreading simulation model;Spatially variable rate fertilizer application
Abstract: There is no specialized equipment designed to spread granular cylindrical organic fertilizer in the soil. There are also no rational recommendations available on how to spread this type of fertilizer. Mineral fertilizer spreaders are most often used for spreading granulated organic fertilizer. However, these fertilizers are significantly different from mineral fertilizers. Due to these differences, organic granular fertilizers often are spread unevenly, and the fertilizer does not reach the required working width. Furthermore, the rate of spreading is not accurate, and the fertilizer is often crushed too much. The objective of this research is to develop a simulation model for granular organic fertilizer applications with a centrifugal spreader in EDEM (extended distinct element method) software. It is possible to develop a numerical model that corresponds to a real spreader, and to determine the key physical–mechanical parameters for the application of granular organic fertilizer. This model can also be used for evaluating the transverse uniformity of the fertilizer in the field (along the trajectory normal to the machine). The results of this research show that the distance traveled by the fertilizer granules partially depends on the particle size, initial speed, type of fertilizer and the parameters of the spinning discs of the spreader
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio inžinerijos fakultetas
Appears in Collections:1. Straipsniai / Articles
Universiteto mokslo publikacijos / University Research Publications

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