@article{chagas_guelfi_emrich_silva_faquin_2016,  title={Agronomic efficiency of polymer-coated triple superphosphate in onion cultivated in contrasting texture soils},  volume={47},  ISSN={1806-6690},  url={https://doi.org/10.5935/1806-6690.20160053},  DOI={10.5935/1806-6690.20160053},  number={3},  journal={Revista Ciência Agronômica},  publisher={Universidade Federal do Ceará},  author={Chagas, Wantuir Filipe Teixeira and Guelfi, Douglas Ramos and Emrich, Eduardo Bucsan and Silva, André Leite and Faquin, Valdemar},  year={2016},  month={Jul},  pages={439–446} }