Besen, M. R., Ribeiro, R. H., Bratti, F., Locatelli, J. L., & Piva, J. T. (2020). Does nitrogen application timing and sources influence barley grain yield?. Scientia Agraria Paranaensis, 19(3), 264–269. https://doi.org/10.18188/sap.v19i3.24011