"The study identified frost as the most damaging climate threat to coffee yields, followed by drought, with heat stress ranking third among climate stressors."
"Coffee yield decreased nearly 19% per 1°C below freezing during maturation, with chill stress events reducing yields in 66% of counties studied."
Research focused on 30 years of climate data in Yunnan, China's main coffee region, identified frost as the leading threat to Arabica coffee yields. Drought followed as a significant risk, while heat stress ranked third. The study noted that coffee yields diminish by nearly 19% for each 1°C drop below freezing during maturation. Chill stress events were predominant in affecting yields across 66% of studied counties, with drought incidence increasing during the flowering period, suggesting a complex relationship between climate change and coffee production.
Read at Daily Coffee News by Roast Magazine
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