@article{bedmar_manetti_monterubbianesi_1999,  title={Determination of the critical period of weed control in corn using a thermal basis},  volume={34},  ISSN={0100-204X},  url={https://doi.org/10.1590/S0100-204X1999000200006},  DOI={10.1590/S0100-204X1999000200006},  number={2},  journal={Pesquisa Agropecuária Brasileira},  publisher={Embrapa Secretaria de Pesquisa e Desenvolvimento; Pesquisa Agropecuária Brasileira},  author={Bedmar, Francisco and Manetti, Pablo and Monterubbianesi, Gloria},  year={1999},  month={Feb},  pages={188–193} }