Murillo, R., Alvarado, A. and Verjans, J.M. 2015. Concentration and accumulation of nutrients in the aerial biomass of teak plantations 3 to 18 old, in the Panama Canal watershed. Agronomía Costarricense. 39, 3 (Nov. 2015). DOI:https://doi.org/10.15517/rac.v39i3.21813.