Carl Olof Tamm

• Nitrogen in terrestrial ecosystems
• An attempt to assess the optimum nitrogen level in Norway spruce under field conditions
• Decomposition and nutrient dynamics of Norway spruce needle litter in a long-term optimum nutrition experiment
• Growth, yield and nutrition in carpets of a forest moss (Hylocomium spledens)
• Intensive fertilization with nitrogen as a stressing factor in a spruce ecosystem
• Optimum Nutrition and Nitrogen Saturation in Scots Pine Stands (Studia Forestalia Suecica No. 206)
• Studies on nitrogen mobilisation in forest soils
• Upptagningen av växtnäring efter gödsling av gran- och tallbestaand