Question: If a leaf is to maintain a temperature of 40C (reasonable for a leaf), it must lose 250 W/m 2 by transpiration (evaporative heat loss),

If a leaf is to maintain a temperature of 40°C (reasonable for a leaf), it must lose 250 W/m 2 by transpiration (evaporative heat loss), That the leaf also loses heat by radiation, but we will neglect this. How much water is lost after 1 h through transpiration only? The area of the leaf is 0.005 m2.

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