Khalid, M.F. et al. 2019. Exploring the role of zinc fertilization methods for agronomic bio-fortification and its impact on phenology, growth and yield characteristics of maize. Semina: Ciências Agrárias. 40, 5Supl1 (Aug. 2019), 2209–2222. DOI:https://doi.org/10.5433/1679-0359.2019v40n5Supl1p2209.