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How does supplemental irrigation help crops in humid regions?

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Large wheeled irrigation sprinkler sprays water over green crops in a field, with mountains and cloudy sky in the background. — Irrigation Specialized irrigation equipment watering crops in a field.

In humid regions, irrigation is increasingly utilized to provide supplemental irrigation during extended dry periods that occur throughout the growing season.1

While these regions typically receive significant rainfall, supplemental irrigation acts as a vital safeguard against moisture deficits. By providing water during these intermittent dry spells, farmers can ensure consistent crop development and maintain productivity even in environments where annual precipitation is otherwise high.1