@article{corazza_brossard_muraokai_coelho filho_2003,  title={Spatial variability of soil phosphorus of a low productivity Brachiaria brizantha pasture},  volume={60},  ISSN={0103-9016},  url={https://doi.org/10.1590/S0103-90162003000300022},  DOI={10.1590/S0103-90162003000300022},  number={3},  journal={Scientia Agricola},  publisher={Escola Superior de Agricultura "Luiz de Queiroz"},  author={Corazza, Edemar Joaquim and Brossard, Michel and MuraokaI, Takashi and Coelho Filho, Maurício Antonio},  year={2003},  pages={559–564} }