Lima, M.C., da-Silva, C.J., Mariot, M.P., Freitag, R.A., Serpa, R., Ribeiro, G.A. e Amarante, L. do 2020. Effect of shading and nitrogen fertilization on nitrogen metabolism, essential oil content and antimicrobial activity of Achillea millefolium. Acta Scientiarum. Biological Sciences. 42, 1 (fev. 2020), e46412. DOI:https://doi.org/10.4025/actascibiolsci.v42i1.46412.