@article{arf_portugal_buzetti_rodrigues_sá_2018,  title={Crop rotation, green manure and nitrogen fertilizers in upland rice under no-tillage},  volume={48},  ISSN={1983-4063},  url={https://doi.org/10.1590/1983-40632018v4851446},  DOI={10.1590/1983-40632018v4851446},  number={2},  journal={Pesquisa Agropecuária Tropical},  publisher={Escola de Agronomia/UFG},  author={Arf, Orivaldo and Portugal, José Roberto and Buzetti, Salatiér and Rodrigues, Ricardo Antônio Ferreira and Sá, Marco Eustáquio de},  year={2018},  month={Apr},  pages={153–162} }