Costa, J. de O., Duarte Coelho, R., Barros, T.H. da S., Fraga Júnior, E.F. e Fernandes, A.L.T. 2019. Leaf area index and radiation extinction coefficient of a coffee canopy under variable drip irrigation levels. Acta Scientiarum. Agronomy. 41, 1 (set. 2019), e42703. DOI:https://doi.org/10.4025/actasciagron.v41i1.42703.