These tiny, lightweight gadgets could mean huge savings for farmers
"Farmers have a very good eye. They can look at their crop if they've been farming for a long time and say, 'My crop needs water, I can tell,'" says Richard Stoner, founder of the biotech and agriculture company, AgriHouse.
So who might know more about what a plant needs than a farmer or a greenhouse owner? How about the plant itself? What if plants could tell us when they are thirsty?
With funding from the National...