@article{parfitt_timm_pauletto_sousa_castilhos_ávila_reckziegel_2009,  title={Spatial variability of the chemical, physical and biological properties in lowland cultivated with irrigated rice},  volume={33},  ISSN={0100-0683},  url={https://doi.org/10.1590/S0100-06832009000400007},  DOI={10.1590/S0100-06832009000400007},  number={4},  journal={Revista Brasileira de Ciência do Solo},  publisher={Sociedade Brasileira de Ciência do Solo},  author={Parfitt, José Maria Barbat and Timm, Luís Carlos and Pauletto, Eloy Antonio and Sousa, Rogério Oliveira de and Castilhos, Danilo Dufech and Ávila, Conceição Lagos de and Reckziegel, Nestor Luis},  year={2009},  month={Jul},  pages={819–830} }