@article{souza_vieira_rozane_sagrilo_leite_ferreira_2020,  title={Critical levels and sufficiency ranges for leaf nutrient diagnosis by two methods in soybean grown in the Northeast of Brazil},  volume={44},  ISSN={0100-0683},  url={https://doi.org/10.36783/18069657rbcs20190125},  DOI={10.36783/18069657rbcs20190125},  journal={Revista Brasileira de Ciência do Solo},  publisher={Sociedade Brasileira de Ciência do Solo},  author={Souza, Henrique Antunes de and Vieira, Paulo Fernando de Melo Jorge and Rozane, Danilo Eduardo and Sagrilo, Edvaldo and Leite, Luiz Fernando Carvalho and Ferreira, Ane Caroline Melo},  year={2020},  pages={e0190125} }