Here is another autonomous weeding robot that can make life easier for farmers. The Oz robot can help with weeding and hoeing tasks. It is entirely autonomous but you can also guide it to a specific location. The robot is environment-friendly and has 3 modes (autonomous, follow, manual modes).
The Oz has 4 electric motors with max load and tow capacity of 90kg and 300kg respectively. It works for up to 10 hours on Lithium batteries.