@article{ribeiro_carvalho_santos_guerra_2016,  title={Onion yield under agroecological farming system using distinct irrigation depths and soil covers},  volume={46},  ISSN={0103-8478},  url={https://doi.org/10.1590/0103-8478cr20150342},  DOI={10.1590/0103-8478cr20150342},  number={5},  journal={Ciência Rural},  publisher={Universidade Federal de Santa Maria},  author={Ribeiro, Eduardo Castro and Carvalho, Daniel Fonseca de and Santos, Lucas Antonio de Freitas and Guerra, José Guilherme Marinho},  year={2016},  month={May},  pages={783–789} }