Risks of frost in potato crops in the region of Guarapuava-PR in different phases of ENSO. Research, Society and Development, [S. l.], v. 9, n. 11, p. e3309119925, 2020. DOI: 10.33448/rsd-v9i11.9925. Disponível em: https://www.rsdjournal.org/rsd/article/view/9925. Acesso em: 17 dec. 2025.