UNIVERSITY PARK, Pa., May 6 -- Pennsylvania State University issued the following news release:
UNIVERSITY PARK, Pa. - Environmental scientists and water resource managers need precise, high-resolution maps to reveal areas that farmers should avoid when planting crops, to limit polluting waters with phosphorus from fertilizer or manure. Making those maps has depended on an expensive, sometimes unavailable technology, but a team led by Penn State researchers has developed a cheaper approach that can be just as effective.
The researchers' novel system, detailed in a paper available online ahead of publication in the June issue of Computers and Electronics in Agriculture, uses drones and photogrammetry, a technology that develops reliable 3D...