température (1) état (1) sol (1) plastique (1) mulch (1) feuille (1) plomb (1) analyse (1) feuillage (1) expérience scientifique (1) ordre (1) taux (1) index (1) Area (1) Area (1) Temperature (1) Soils (1) Rain and rainfall (1) Plant varieties (1) Plants (1) Pineapple (1) Order (1) Mass production (1) Mass (1) Leaves (1) Lead (1) Growth (1) Experimental design (1) Average (1) Proboscidactyla (1)