poids (1) biomasse (1) test (1) racine (1) tourbe (1) particule (1) mousse végétale (1) moulin (1) feuille (1) effet (1) chlorophylle (1) analyse (1) index (1) densité (1) Density (1) Seedlings (1) Control (1) Area (1) Minerals (1) Biomass (1) Area (1) Sustainable agriculture (1) Origin (1) Water (1) Tomatoes (1) Seedlings (1) Porosity (1) Plants--Nutrition (1) Plants (1) Perlite (1)