@article{santos_castilho_2018,  title={Germination and development of ornamental sunflower seedlings in substrates},  volume={24},  ISSN={2447-536X},  url={https://doi.org/10.14295/oh.v24i4.1152},  DOI={10.14295/oh.v24i4.1152},  number={4},  journal={Ornamental Horticulture},  publisher={Sociedade Brasileira de Floricultura e Plantas Ornamentais},  author={Santos, Patrick Luan Ferreira dos and Castilho, Regina Maria Monteiro de},  year={2018},  month={Oct},  pages={303–310} }