@article{cuzzuol_carvalho_barbedo_zaidan_2003,  title={Crescimento e conteúdo de frutanos em plantas de Vernonia herbacea (Vell.) Rusby submetidas à adubação nitrogenada},  volume={26},  ISSN={0100-8404},  url={https://doi.org/10.1590/S0100-84042003000100009},  DOI={10.1590/S0100-84042003000100009},  number={1},  journal={Brazilian Journal of Botany},  publisher={Sociedade Botânica de São Paulo},  author={Cuzzuol, Geraldo R.F. and Carvalho, Maria Angela M. and Barbedo, Claudio J. and Zaidan, Lilian B.P.},  year={2003},  month={Mar},  pages={81–91} }