THE ROLE OF POTASSIUM IN CEREAL CROPS AND POTASSIUM SOURCES IN NATURE. Surjan: Journal of Sustainable Agriculture, [S. l.], v. 1, n. 1, p. 24–30, 2024. Disponível em: https://ejournal.iaar.or.id/surjan/article/view/5.. Acesso em: 20 sep. 2024.