Several factors, including temperature, water deficit, and water access, have been identified as major causes in recent wheat yield variability worldwide. DSSAT wheat models showcase the impact of temperature, heat stress, water balance and drought stress in large wheat yield reductions due to climate change for Africa and South Asia, where food security is already a problem.
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Climate adaptation and mitigation
Crop simulation models predict that climate change will lower global wheat production by 2050 in Africa and South Asia, where food security is already threatened.
Capacity development
Source: Dawn (25 Jun 2023)
The wheat simulation models have been widely used to study diverse cropping systems, as growing conditions and the impact of climate change on wheat vary across the globe. Simulations for South Asian countries suggested a different magnitude of climate change impacts, particularly due to warmer temperatures.
Climate adaptation and mitigation
With appropriate funding, maize yields can continue to increase in extreme heat and drought conditions, scientists say.