The impact of weather and increased atmospheric CO₂ from 1892 to 2016 on simulated yields of UK wheat.

ABSTRACT: Climate change effects on UK winter wheat grain yield are complex: warmer temperature, negative; greater carbon dioxide (CO₂) concentration, positive; but other environmental variables and their timing also affect yield. In the absence of long-term experiments where temperature and CO₂ concentration were manipulated separately, we applied the crop simulation model Sirius with long-term daily meteorological data (1892-2016) for Rothamsted, Hertfordshire, UK (2007-2016 mean growing season temperature 1.03°C warmer than 1892-1991), and CO₂ concentration over this period, to investigate the separate effects of historic CO₂ and weather on simulated grain yield in three wheat cultivars of the modern era. We show a slight decline in simulated yield over

SUBMITTER: Addy JWG 

PROVIDER: S-EPMC8205528 | biostudies-literature | 2021 Jun

REPOSITORIES: biostudies-literature