@article{braos_ferreira_cruz_braos_barbosa_2016,  title={Mild and Moderate Extraction Methods to Assess Potentially Available Soil Organic Nitrogen},  volume={40},  ISSN={0100-0683},  url={https://doi.org/10.1590/18069657rbcs20151059},  DOI={10.1590/18069657rbcs20151059},  journal={Revista Brasileira de Ciência do Solo},  publisher={Sociedade Brasileira de Ciência do Solo},  author={Braos, Bruno Boscov and Ferreira, Manoel Evaristo and Cruz, Mara Cristina Pessôa da and Braos, Lucas Boscov and Barbosa, José Carlos},  year={2016} }