@article{veiga_reinert_reichert_kaiser_2008,  title={Short and long-term effects of tillage systems and nutrient sources on soil physical properties of a Southern Brazilian Hapludox},  volume={32},  ISSN={0100-0683},  url={https://doi.org/10.1590/S0100-06832008000400008},  DOI={10.1590/S0100-06832008000400008},  number={4},  journal={Revista Brasileira de Ciência do Solo},  publisher={Sociedade Brasileira de Ciência do Solo},  author={Veiga, Milton da and Reinert, Dalvan José and Reichert, José Miguel and Kaiser, Douglas Rodrigo},  year={2008},  month={Jul},  pages={1437–1446} }