@article{taboada_alvarez_2008,  title={Root abundance of maize in conventionally-tilled and zero-tilled soils of Argentina},  volume={32},  ISSN={0100-0683},  url={https://doi.org/10.1590/S0100-06832008000200031},  DOI={10.1590/S0100-06832008000200031},  number={2},  journal={Revista Brasileira de Ciência do Solo},  publisher={Sociedade Brasileira de Ciência do Solo},  author={Taboada, Miguel Angel and Alvarez, Carina Rosa},  year={2008},  month={Mar},  pages={769–779} }