Abstract
We developed a forage-yield estimation device using a Light Detection and Ranging (LiDAR) sensor on
a drone. The drone height was measured with high precision using a real-time kinematic global positioning
system (RTK-GPS). We confirmed a high correlation between the estimated grass volume and
the dry matter yield from LiDAR with a drone on 3-m height rail. We also measured a wide-area (230 ×
50 m squared), grass height distribution from a 10-meter-high automatic drone flight. These are good
candidates for future precise agriculture systems.
