 @article{amado_villalba_bortolotto_nora_bragagnolo_león_2017,  title={Yield and nutritional efficiency of corn in response to rates and splits of nitrogen fertilization},  volume={64},  ISSN={0034-737X},  url={https://doi.org/10.1590/0034-737X201764040003},  DOI={10.1590/0034-737X201764040003},  number={4},  journal={Revista Ceres},  publisher={Universidade Federal de Viçosa},  author={Amado, Telmo Jorge Carneiro and Villalba, Enrique Oswin Hahn and Bortolotto, Rafael Pivotto and Nora, Douglas Dalla and Bragagnolo, Jardes and León, Enrique Asterio Benítez},  year={2017},  month={Jul},  pages={351–359} }