@article{bettiol_ghini_galvão_siloto_2004,  title={Organic and conventional tomato cropping systems},  volume={61},  ISSN={0103-9016},  url={https://doi.org/10.1590/S0103-90162004000300002},  DOI={10.1590/S0103-90162004000300002},  number={3},  journal={Scientia Agricola},  publisher={Escola Superior de Agricultura "Luiz de Queiroz"},  author={Bettiol, Wagner and Ghini, Raquel and Galvão, José Abrahão Haddad and Siloto, Romildo Cássio},  year={2004},  month={May},  pages={253–259} }