Improving indirect measurements of the lea area index using canopy height - Goncalves, Alexandre Ortega; Silva, Evandro Henrique Figueiredo Moura da; Gasparotto, Leticia Goncalves; Rosa, Juliano Mantelatto; Carmo, Stephanie; Fattori Junior, Izael Martins; Marin, Fabio Ricardo (Pesquisa Agropecuária Brasileira, 2020)