@article{oliveira_malavolta_1981,  title={Influence of boron on growth and mineral composition of bean (Phaseolus vulgaris L.)},  volume={38},  ISSN={0071-1276},  url={https://doi.org/10.1590/S0071-12761981000100025},  DOI={10.1590/S0071-12761981000100025},  number={1},  journal={Anais da Escola Superior de Agricultura Luiz de Queiroz},  publisher={Universidade de São Paulo, Escola Superior de Agricultura},  author={Oliveira, I. P. and Malavolta, E.},  year={1981},  pages={309–318} }