Reinhardt, D.H.R. 2014. ‘Pérola’ pineapple production and quality as influenced by different planting densities and NPK fertilizing levels. Pesquisa Agropecuaria Brasileira. 15, 4 (Apr. 2014), 399–404. DOI:https://doi.org/10.1590/S1678-3921.pab1980.v15.16596.