@article{galetto_fonseca_harkatin_auler_carvalho_2014,  title={Availability of phosphorus for maize in crop-livestock integration system},  volume={45},  ISSN={1806-6690},  url={https://doi.org/10.1590/S1806-66902014000500011},  DOI={10.1590/S1806-66902014000500011},  number={5spe},  journal={Revista Ciência Agronômica},  publisher={Universidade Federal do Ceará},  author={Galetto, Shivelly Los and Fonseca, Adriel Ferreira da and Harkatin, Silvano and Auler, André Carlos and Carvalho, Igor Quirrenbach de},  year={2014},  pages={956–967} }