@article{santanna_kaminski_rheinheimer_toledo_casali_2011,  title={Evaluation of Sikora instead of SMP buffer to estimate the potential acidity of brazilian soils},  volume={35},  ISSN={0100-0683},  url={https://doi.org/10.1590/S0100-06832011000500025},  DOI={10.1590/S0100-06832011000500025},  number={5},  journal={Revista Brasileira de Ciência do Solo},  publisher={Sociedade Brasileira de Ciência do Solo},  author={Santanna, Maria Alice and Kaminski, João and Rheinheimer, Danilo dos Santos and Toledo, Jaderson dos Anjos and Casali, Carlos Alberto},  year={2011},  month={Sep},  pages={1707–1715} }