@article{hiroce_gallo_miyasaka_1969,  title={Análise foliar de feijoeiro: I - nutrição nitrogenada e potássica},  volume={28},  ISSN={0006-8705},  url={https://doi.org/10.1590/S0006-87051969000100026},  DOI={10.1590/S0006-87051969000100026},  number={unico},  journal={Bragantia},  publisher={Instituto Agronômico de Campinas},  author={Hiroce, Rúter and Gallo, José Romano and Miyasaka, Shiro},  year={1969},  month={Jan},  pages={I–VII} }