Effect of nitrogen, phosphate and potassium fertilization on dystrophic soil on the content of secondary metabolites in Hydrocotyle umbellata L. var. bonariensis (Lam.) Spreng. RSD [Internet]. 2021 Dec. 2 [cited 2025 Dec. 5];10(15):e504101523167. Available from: https://rsdjournal.org/rsd/article/view/23167