Simulation of the phenological development of wheat and maize at the global scale
The aim of this study is to derive location-specific parameters that reflect the geographic differences among cultivars in vernalization requirements, sensitivity to day length (photoperiod) and temperature, which can be used to simulate the phenological development of wheat and maize at the global scale.
The methodology presented here provides a good basis for modelling the phenological characteristics of cultivars at the global scale.We show that current global patterns of growing season length as described in cropping calendars can be largely reproduced by phenology models if location-specific parameters are derived from temperature and day length indicators. Growing seasons can be modelled more accurately for wheat than for maize, especially in warm regions.
Our method for computing parameters for phenology models from temperature and day length offers opportunities to improve the simulation of crop productivity by crop simulation models developed for large spatial areas and for long-termclimate impact projections that account for adaptation in the selection of varieties.
Authors
Specifications
- Publication title
- Simulation of the phenological development of wheat and maize at the global scale
- Publication date
- 15 July 2015
- Publication type
- Publication
- Magazine
- Global Ecology and Biogeography
- Product number
- 1854