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Global potential increase in crop production by vapour shift and water harvesting
The study finds that a moderate water management scenario—reducing evaporation by 25% and collecting 25% of runoff—could increase global crop production by 19%. While such strategies could buffer the projected 9% decline in global crop production caused by climate change by 2050, the study concludes that water available on current cropland will be insufficient for a population of 9–10 billion, even when combining water management with the benefits of rising atmospheric CO2.
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Document type: Research paper
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