Yields of Biodynamic Agriculture of Ernst Stegemann (1882-1943): Experimental Circle Data of the First Biodynamic Farmer. European Journal of Agriculture and Food Sciences, [S. l.], v. 5, n. 5, p. 1–4, 2023. DOI: 10.24018/ejfood.2023.5.5.699. Disponível em: https://www.ejfood.org/index.php/ejfood/article/view/699. Acesso em: 23 oct. 2025.