Changes in phytomass and nutrient partitioning in young conifers in extreme alkaline growth conditions

air pollution arbre forestier azote biomasa biomass biomasse carence en substance nutritive cement cemento ciment contaminantes deficiencias nutritivas dust forest trees manganese manganeso nitrogen nutrient balance nutrient deficiencies nutrition des plantes nutrition physiology physiologie de la nutrition picea abies picea glauca picea mariana pinus sylvestris plant anatomy plant nutrition polluant pollutants polvo (contaminantes) potasio potassium pseudotsuga menziesii regression analysis statistical methods