Planting Density Modulates Growth and Biomass Allocation of Cowpea (Vigna Unguiculata [L.] Walp) in Iron Industry Effluent-Contaminated Soil: Planting Density and Cowpea Growth under Effluent Contamination. Journal of Science and Technology, [S. l.], p. 121–133, 2026. DOI: 10.4314/w7hps817. Disponível em: https://journal.knust.edu.gh/index.php/just/article/view/2111. Acesso em: 14 sep. 2026.