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Largest Farm to Grow Crops Under Solar Panels Proves To Be A Bumper Crop For Agrivoltaic Land Use
(site.extension.uga.edu)
This is a most excellent place for technology news and articles.
Sure you could do that, but... why?
To more evenly distribute the collected rainfall rather than to water just the plants sitting under the edge of each solar row? Or to use the rainfall for other farmy things?
the water should distribute itself evenly enough on most soils, but yes you could retrofit it with some distribution system.