Responses of beech and spruce foliage to elevated carbon dioxide, increased nitrogen deposition and soil type

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Günthardt-Goerg, M. S., & Vollenweider, P. (2015). Responses of beech and spruce foliage to elevated carbon dioxide, increased nitrogen deposition and soil type. AoB PLANTS, 7, plv067 (21 pp.). https://doi.org/10.1093/aobpla/plv067