@article{viégas_muller_costa_ferreira_pinheiro_campos_2022,  title={Determination of the standard leaf for nutritional diagnosis of assai palm plants},  volume={44},  ISSN={0100-2945},  url={https://doi.org/10.1590/0100-29452022078},  DOI={10.1590/0100-29452022078},  number={3},  journal={Revista Brasileira de Fruticultura},  publisher={Sociedade Brasileira de Fruticultura},  author={Viégas, Ismael de Jesus Matos and Muller, Antônio Agostinho and Costa, Milton Garcia and Ferreira, Eric Victor de Oliveira and Pinheiro, Daniel Pereira and Campos, Pedro Silvestre da Silva},  year={2022},  pages={e–078} }