CHITTAWANIJ, A.; MARUBODEE, R.; PORNSURIYA, P. Study of biochar on growth and yield of Choy Sum (Brassica chinensis L.var parachinensis). International Journal of Agricultural Technology, [S. l.], v. 18, n. 3, p. 965–974, 2022. Disponível em: https://li04.tci-thaijo.org/index.php/IJAT/article/view/7243. Acesso em: 15 sep. 2025.