@article{silva_damasceno_silva_oliveira_queiroga_2009,  title={Growth and yield of corn grain and green ear in competition with weeds},  volume={27},  ISSN={0100-8358},  url={https://doi.org/10.1590/S0100-83582009000500008},  DOI={10.1590/S0100-83582009000500008},  number={spe},  journal={Planta Daninha},  publisher={Sociedade Brasileira da Ciência das Plantas Daninhas },  author={Silva, P.S.L and Damasceno, A.P.A.B and Silva, K.M.B and Oliveira, O.F and Queiroga, R.C.F},  year={2009},  month={Dec},  pages={947–955} }