@article{nunes_bonfim-silva_silva_2016,  title={Bulk density and water tensions in the soil on corn root production},  volume={20},  ISSN={1415-4366},  url={https://doi.org/10.1590/1807-1929/agriambi.v20n4p357-363},  DOI={10.1590/1807-1929/agriambi.v20n4p357-363},  number={4},  journal={Revista Brasileira de Engenharia Agrícola e Ambiental},  publisher={Unidade Acadêmica de Engenharia Agrícola},  author={Nunes, João A. S. and Bonfim-Silva, Edna M. and Silva, Tonny J. A. da},  year={2016},  month={Apr},  pages={357–363} }