@article{moura_coelho_freitas_aguiar_2009,  title={Chemical and physical fertility indicators of a weakly-structured Ultisol after liming and mulching},  volume={66},  ISSN={0103-9016},  url={https://doi.org/10.1590/S0103-90162009000600012},  DOI={10.1590/S0103-90162009000600012},  number={6},  journal={Scientia Agricola},  publisher={Escola Superior de Agricultura "Luiz de Queiroz"},  author={Moura, Emanoel Gomes de and Coelho, Kátia Pereira and Freitas, Idelfonso Colares de and Aguiar, Alana das Chagas Ferreira},  year={2009},  month={Nov},  pages={800–805} }