Maize-grain zinc and iron concentrations as influenced by agronomic management and biophysical factors: a meta-analysis - Kihara, J.; Mutambu, D.M.; Kinyua, M.; Sileshi, G.W.; Senthilkumar, K.; Mkhulani, S.; Nturibi, L.; Devkota, M.; Saito, K.; Bolo, P.; Sila, A. (International Institute of Topical Agriculture, 2024)