Question:
Warnings of weather conditions favourable for the development of potato blight (Hutton Criteria) are based on:
Author: Alex MossAnswer:
6 hours on two consecutive days with a minimum temperature of 10 degrees C and at least 90% relative humidity, ending at 0900hrs
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Alternative answers:
6 hours on 2 consecutive days with a minimum temperature of 10 degrees C and at least 90% relative humidity, ending at 0900hrs