@article{kölln_franco_ferreira_vargas_castro_cantarella_caldana_trivelin_2016,  title={Root extracts of <i>Bracchiaria humidicola</i> and<i>Saccharum spontaneum</i> to increase N use by sugarcane},  volume={73},  ISSN={0103-9016},  url={https://doi.org/10.1590/0103-9016-2015-0093},  DOI={10.1590/0103-9016-2015-0093},  number={1},  journal={Scientia Agricola},  publisher={Escola Superior de Agricultura "Luiz de Queiroz"},  author={Kölln, Oriel Tiago and Franco, Henrique Coutinho Junqueira and Ferreira, Danilo Alves and Vargas, Vitor Paulo and Castro, Saulo Augusto de Quassi and Cantarella, Heitor and Caldana, Camila and Trivelin, Paulo Cesar Ocheuze},  year={2016},  month={Jan},  pages={34–42} }