Estimating root length density of pineapple (Ananas comosus (L.) Merr.) from root counts on soil profiles in Martinique (French West Indies)Jean-Louis Chopart, Lila Debaut-Henoque, Paul-Alex Marie-Alphonsine, Rémy Asensio and Alain SolerFruits, 70 3 (2015) 143-151DOI: https://doi.org/10.1051/fruits/2015010