EFFA, Emmanuel B.; UKO, Aniefiok. E.; OSEGHALE, Emmanuella I. Spatial dimensions and poultry manure rate effects on sweet corn (Zea mays L. saccharata Sturt.) varieties in Calabar. Journal Of Agriculture, Forestry & Environment , [S. l.], v. 5, n. 1, p. 48–57, 2025. Disponível em: https://jafe.net.ng/index.php/home/article/view/52. Acesso em: 20 apr. 2025.