Diagnosis of macronutrient deficiency symptoms in black pepper (Piper nigrum, L.) . Scientia Agricola, [S. l.], v. 50, n. 2, p. 232–236, 1993. DOI: 10.1590/S0103-90161993000200010. Disponível em: https://revistas.usp.br/sa/article/view/20112.. Acesso em: 28 jun. 2024.