Eric Schmid at Undark:
There have been many advancements over the years that have boosted precision. New tractors can use GPS to steer themselves and farmers now have the ability to change the rate at which they apply seeds or fertilizer on their fields. Even crop genetics and how weeds are managed have advanced.
“The only thing we have not advanced is the sensor,” he said. “The ability to see things that matter, in both the plants, the soil, and the roots.”
All of that data should help farmers make choices that will not only boost their bottom line, but curb the overuse of fertilizers and other chemicals and be more targeted about irrigation.
More here.