@article{feitosa_mendes_olszevski_cunha_cortez_giongo_2015,  title={Physical attributes of ultisol of Brazil's northeastern semiarid under organic farming of wine grapes},  volume={87},  ISSN={0001-3765},  url={https://doi.org/10.1590/0001-3765201520130066},  DOI={10.1590/0001-3765201520130066},  number={1},  journal={Anais da Academia Brasileira de Ciências},  publisher={Academia Brasileira de Ciências},  author={Feitosa, Jardenia R. and Mendes, Alessandra M.S. and Olszevski, Nelci and Cunha, Tony J.F. and Cortez, Jorge W. and Giongo, Vanderlise},  year={2015},  month={Mar},  pages={483–493} }