Silva, Jessica Aparecida da [UNESP]Leonel, Magali [UNESP]Fernandes, Adalton Mazetti [UNESP]Garreto, Francisca Gyslane de Sousa [UNESP]Nunes, Jason Geter da Silva [UNESP]Tajra, Ricardo Figueiredo [UNESP]2023-07-292023-07-292023-01-01Ciencia Rural. Santa Maria: Univ Federal Santa Maria, v. 53, n. 9, 13 p., 2023.0103-8478http://hdl.handle.net/11449/245578The application of zinc fertilizers in the soil has been an agronomic practice to correct Zn deficiency in plants, aiming to increase productivity and/or nutritional quality. This study evaluated how zinc sulfate fertilization affects plant growth, yield performance and nutrient accumulation in the cassava 'IAC 576-70'. The experimental design was in randomized blocks with eight replications. The treatments consisted of 0, 1.5, 3.0, 4.5 and 6.0 g p1-1 ZnSO4. Results showed improvement in yield with soil fertilization with ZnSO4, with the optimal dose of 2.5 g pl-1. The uptake of nutrients in plant parts is favored with lower doses of zinc fertilizer, with maximum points ranging from 0.8 to 3.2 g pl-1 for macronutrients and 1.6 to 3.6 g pl-1 for micronutrients. The Zn content in tuberous roots increases by more than 40% with fertilization up to 2.8 g pl-1 of fertilizer, which contributes to the nutritional value of roots.13engManihot esculentafertilizationmineralsbiofortificationArtigo10.1590/0103-8478cr202200641WOS:000922213300001