@article{sampaio_silva_donato_silva_silva_2019,  title={Optimum experimental plot size in the castor bean},  volume={50},  ISSN={1806-6690},  url={https://doi.org/10.5935/1806-6690.20190032},  DOI={10.5935/1806-6690.20190032},  number={2},  journal={Revista Ciência Agronômica},  publisher={Universidade Federal do Ceará},  author={Sampaio, Orlando Melo and Silva, Sebastião de Oliveira e and Donato, Sérgio Luiz Rodrigues and Silva, Simone Alves and Silva, Mauricio dos Santos da},  year={2019},  month={Apr},  pages={276–281} }