@article{jung_zimmermann_mendonça_jasper_gracietti_2025,  title={Operational and energy performance of a powershift transmission tractor during tillage at different speeds },  volume={29},  ISSN={1415-4366},  url={https://doi.org/10.1590/1807-1929/agriambi.v29n12e287659},  DOI={10.1590/1807-1929/agriambi.v29n12e287659},  number={12},  journal={Revista Brasileira de Engenharia Agrícola e Ambiental},  publisher={Unidade Acadêmica de Engenharia Agrícola},  author={Jung, Eduardo A. and Zimmermann, Gabriel G. and Mendonça, William S. de and Jasper, Samir P. and Gracietti, Eduardo A.},  year={2025},  pages={e287659} }