@article{batista_melo_gilkes_2016, title={Microwave Acid Extraction to Analyze K and Mg Reserves in the Clay Fraction of Soils}, volume={40}, ISSN={0100-0683}, url={https://doi.org/10.1590/18069657rbcs20160067}, DOI={10.1590/18069657rbcs20160067}, journal={Revista Brasileira de Ciência do Solo}, publisher={Sociedade Brasileira de Ciência do Solo}, author={Batista, Araína Hulmann and Melo, Vander Freitas and Gilkes, Robert}, year={2016}, pages={e0160067} }