Effect Of Humic Acid Treatment, Acid Addition Periods, And Irrigation Intervales On Growth Characteristics And Mineral Content Of Clandulla Officinalis L. International Journal of Environmental Sciences, [S. l.], p. 468–479, 2025. DOI: 10.64252/r2q64y02. Disponível em: https://theaspd.com/index.php/ijes/article/view/4142.. Acesso em: 18 sep. 2025.