Plant biostimulants: physiological responses induced by protein hydrolyzed-based products and humic substances in plant metabolism . Scientia Agricola, [S. l.], v. 73, n. 1, p. 18–23, 2016. DOI: 10.1590/0103-9016-2015-0006. Disponível em: https://journals.usp.br/sa/article/view/108529.. Acesso em: 6 mar. 2025.