@article{lacerda_nascente_2016,  title={Effects of row spacing and nitrogen topdressing fertilization on the yield of upland rice in a no-tillage system},  volume={38},  ISSN={1807-8621},  url={https://doi.org/10.4025/actasciagron.v38i4.30855},  DOI={10.4025/actasciagron.v38i4.30855},  number={4},  journal={Acta Scientiarum. Agronomy},  publisher={Editora da Universidade Estadual de Maringá - EDUEM},  author={Lacerda, Mabio Chrisley and Nascente, Adriano Stephan},  year={2016},  month={Oct},  pages={493–502} }