Annals of BotanyNews in Brief Elevated CO2 increases yield of aluminium-resistant wheat in acid soil Soil acidity and climate change threaten future food production. Dong et al. investigate the effects of free-air CO2 enrichment (550 vs. 400 µmol mol-1) on plant growth and yield of hexaploid wheat lines differing in... Alex AssiryFebruary 28, 2019