
Influence of solar UV radiation on the nitrogen metabolism in needles of Scots pine (Pinus sylvestris L.)
Keywords: EtOH، ethanol; Nitrate reductase; Nitrogen metabolism; Amino acid; Pinus sylvestris; Subarctic; UV radiation; TemperatureARC, Arctic Research Centre; BSA, bovine serum albumin; C, carbon; DNA, deoxyribonucleic acid; EtOH, ethanol; F0, dark fluorescence yield; Fm, maximu