Effect of nitrogen fertilization on winter green manure coverage in corn (Zea mays L.). Journal on studies and research of academic knowledge, Itapúa, PY, n. 18, p. e2024016, 2024. DOI: 10.70833/rseisa18item384. Disponível em: https://revistas.uni.edu.py/index.php/rseisa/article/view/384. Acesso em: 21 oct. 2025.