@article{ambrosano_trivelin_cantarella_ambrosano_schammass_muraoka_guirado_rossi_2009,  title={Nitrogen supply to corn from sunn hemp and velvet bean green manures},  volume={66},  ISSN={0103-9016},  url={https://doi.org/10.1590/S0103-90162009000300014},  DOI={10.1590/S0103-90162009000300014},  number={3},  journal={Scientia Agricola},  publisher={Escola Superior de Agricultura "Luiz de Queiroz"},  author={Ambrosano, Edmilson José and Trivelin, Paulo Cesar Ocheuze and Cantarella, Heitor and Ambrosano, Gláucia Maria Bovi and Schammass, Eliana Aparecida and Muraoka, Takashi and Guirado, Nivaldo and Rossi, Fabrício},  year={2009},  month={May},  pages={386–394} }