@article{oliveira_santos_cavalcante_pereira_santos_oliveira_silva_2010,  title={Yield of sweet potato fertilized with cattle manure and biofertilizer},  volume={28},  ISSN={0102-0536},  url={https://doi.org/10.1590/S0102-05362010000300006},  DOI={10.1590/S0102-05362010000300006},  number={3},  journal={Horticultura Brasileira},  publisher={Associação Brasileira de Horticultura},  author={Oliveira, Ademar P and Santos, João F and Cavalcante, Lourival F and Pereira, Walter E and Santos, Maria do Carmo CA and Oliveira, Arnaldo Nonato P and Silva, Natália V},  year={2010},  month={Jul},  pages={277–281} }