@article{santos júnior_gheyi_pérez-marin_dias_guedes filho_2014,  title={Substrates and time intervals of renewal of wastewater in production and post-harvest of the ornamental sunflower},  volume={45},  ISSN={1806-6690},  url={https://doi.org/10.1590/S1806-66902014000300006},  DOI={10.1590/S1806-66902014000300006},  number={3},  journal={Revista Ciência Agronômica},  publisher={Universidade Federal do Ceará},  author={Santos Júnior, José Amilton and Gheyi, Hans Raj and Pérez-Marin, Aldrin Martin and Dias, Nildo da Silva and Guedes Filho, Doroteu Honório},  year={2014},  month={Jul},  pages={469–478} }