![Foliar nitrogen concentrations and natural abundance of 15N suggest nitrogen allocation patterns of Douglas-fir and mycorrhizal fungi during development in elevated carbon dioxide concentration and temperature]()
Foliar nitrogen concentrations and natural abundance of 15N suggest nitrogen allocation patterns of Douglas-fir and mycorrhizal fungi during development in elevated carbon dioxide concentration and temperatureHobbie, E. A.; Olszyk, D. M.; Rygiewicz, P. T.; Tingey, D. T.; Johnson, M. G. · Tree Physiology · 2001