AoB PLANTS Effects of elevated atmospheric CO2 concentrations, clipping regimen and differential day/night atmospheric warming on tissue nitrogen concentrations of a perennial pasture grass Forecasting the effects of climate change on nitrogen (N) cycling in pastures requires an understanding of changes in tissue N. A new study published in AoB PLANTS by Volder et al. shows that elevated CO2, climate... AoBPLANTSNovember 12, 2015