Growing Season Warming and Winter Freeze-Thaw Cycles Reduce Root Nitrogen Uptake Capacity and Increase Soil Solution Nitrogen in a Northern Forest Ecosystem

R. Sanders-DeMott, P.O. Sorensen, A.B. Reinmann, and P.H. Templer. Growing season warming and winter freeze–thaw cycles reduce root nitrogen uptake capacity and increase soil solution nitrogen in a northern forest ecosystem. Biogeochemistry, 2018, 137, 337-349.