@article{valarini_díaz alvarez_gascó_guerrero_tokeshi_2003,  title={Assessment of soil properties by organic matter and EM-microorganism incorporation},  volume={27},  ISSN={0100-0683},  url={https://doi.org/10.1590/S0100-06832003000300013},  DOI={10.1590/S0100-06832003000300013},  number={3},  journal={Revista Brasileira de Ciência do Solo},  publisher={Sociedade Brasileira de Ciência do Solo},  author={Valarini, P. J. and Díaz Alvarez, M. C. and Gascó, J. M. and Guerrero, F. and Tokeshi, H.},  year={2003},  month={May},  pages={519–525} }