1. to irrigate beneath the surface of the soil by supplying water from below
Usage: agricultural; technical

Examples

• Farmers subirrigate their crops using underground pipes to deliver water directly to the root zone.
• The greenhouse uses a system to subirrigate the seedlings from below.
• To prevent water loss through evaporation, they decided to subirrigate the field.
• The nursery subbirrigates its potted plants by placing them in water-filled trays.
• Modern agriculture often subbirrigates to conserve water and improve plant growth.
• The research showed that subbirrigated tomatoes had better yields than surface-watered ones.