@article{braun_fontes_silva_finger_cecon_ferreira_2016,  title={Carbohydrates Concentration in leaves of potato plants affected by nitrogen fertilization rates},  volume={63},  ISSN={0034-737X},  url={https://doi.org/10.1590/0034-737X201663020016},  DOI={10.1590/0034-737X201663020016},  number={2},  journal={Revista Ceres},  publisher={Universidade Federal de Viçosa},  author={Braun, Heder and Fontes, Paulo Cezar Rezende and Silva, Tania Pires da and Finger, Fernando Luiz and Cecon, Paulo Roberto and Ferreira, Ana Paula Sato},  year={2016},  month={Mar},  pages={241–248} }