Here is an autonomous robot that detects weeds and sprays them. Prairie Robotics’ Crop Spraying Robot was built on a modified Yamaha Side-by-Side. It can drive autonomously to find and take care of weeds. The idea was clever enough to win an AgBot competition.
Must see robots & drones:
Agriculture Robot 2017 (SprayBot) Demonstration
Prairie Robotics Demonstration at AgBot 2017
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