Bovi, M. L. A., Júnior, G. G., Nagai, V., & Cardoso, M. (2014). Planting density of heart of palm intercropping with rubber trees. Pesquisa Agropecuaria Brasileira, 25(7), 1023–1029. https://doi.org/10.1590/S1678-3921.pab1990.v25.13548