STRUCKMAN, L. Technological and institutional lock-in and excessive synthetic nitrogen fertilizer use on North American grain and oilseed farms . Nordia Geographical Publications, [S. l.], v. 49, n. 5, p. 93–101, 2021. DOI: 10.30671/nordia.100210. Disponível em: https://nordia.journal.fi/article/view/100210. Acesso em: 22 dec. 2024.