PATTANACHATCHAI, N.; TONGSANIT, N.; KONGKUM, N. Leaf chlorophyll content, phenolic content, flavonoid content and antioxidant activity of collard greens in response to fertilizer value of duckweed . International Journal of Agricultural Technology, [S. l.], v. 22, n. 5, p. 2323–2342, 2026. DOI: 10.63369/ijat.2026.22.5.2323-2342. Disponível em: https://li04.tci-thaijo.org/index.php/IJAT/article/view/13669. Acesso em: 5 oct. 2026.