Results of the experimental study of the combined Shirvan Harrow. Bulgarian Journal of Soil Science, Agrochemistry and Ecology, [S. l.], v. 60, n. 2, p. 42–52, 2026. DOI: 10.61308/DGZO6349. Disponível em: https://agriacad.eu/ojs/index.php/bjssae/article/view/6578.. Acesso em: 18 aug. 2026.