@article{macedo_mattos júnior_jacobassi_hippler_quaggio_boaretto_2021,  title={Efficiency of foliar application of sparingly soluble sources of boron and zinc in citrus},  volume={78},  ISSN={0103-9016},  url={https://doi.org/10.1590/1678-992X-2018-0387},  DOI={10.1590/1678-992X-2018-0387},  number={1},  journal={Scientia Agricola},  publisher={Escola Superior de Agricultura "Luiz de Queiroz"},  author={Macedo, Luiza Oliveira and Mattos Júnior, Dirceu and Jacobassi, Rodrigo and Hippler, Franz Walter Rieger and Quaggio, José Antônio and Boaretto, Rodrigo Marcelli},  year={2021},  pages={e20180387} }