СОДЕРЖАНИЕ ГУМУСА, АЗОТА И ОТНОШЕНИЕ С: N В СЕРОЗЕМНЫХ ПОЧВАХ. European Journal of Interdisciplinary Research and Development , [S. l.], v. 38, p. 76–78, 2025. Disponível em: https://ejird.journalspark.org/index.php/ejird/article/view/1392. Acesso em: 30 apr. 2026.