AN EXPERIMENT TO DETERMINE THE OPTIMAL VALUE OF ORGANIC FERTILIZER AND BIOCHAR TO INCREASE PRODUCTIVITY OF SHALLOTS VAR. BATU IJO. Surjan: Journal of Sustainable Agriculture, [S. l.], v. 1, n. 1, p. 1–9, 2024. Disponível em: https://ejournal.iaar.or.id/surjan/article/view/2.. Acesso em: 20 sep. 2024.