Agriculture Reference
In-Depth Information
Electricity in the Earth's Atmosphere
Lightning Storms
Later on in the chapter we're going to learn that plants require exposure to
naturally-occurring electric fields in order to survive. In the meantime, let's see how plants
respond when they're subjected to naturally-occurring additional amounts of electricity.
In his topic, Blinded By Science , Matthew Silverstone informs us that plants can detect
whenathunderstormisontheway.PlantphysiologistAndrewGoldsworthy 3 , suspectsthat
in anticipation of a change in weather, they increase their growth rate so they can increase
their capacity for water absorption. Not knowing when their next drink is going to come
available, they cleverly grow a little more before the arrival of the rains so they can “gorge
on the extra water available.” 4
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