“All fields have low areas where culverts collect the rain water and run it to the ditch. How will that work?”
“Tilling, weeding or seeding robots are justified economically in high wage countries (not so much in India).”
Europe already automates more of farm labor, because they have less of the cheap labor immigrants.
Once the tech is working well, fleets can replace people quickly, worldwide. A decade or less, when they crack the price point.
In China, people have been leaving the farms and heading into the cities for a generation. It has been the biggest migration in human history. It will happen a lot quicker in India, due to the even better/cheaper tech replacement.
People usually envision robots replacing factory workers, but worldwide, there are many more small farmers who will soon need a more productive way to spend their time.
Or a link back to the farmer. He can sit in his kitchen drinking his coffee, and if the robot encounters something it's not set up to deal with, it can call the farmer, show him video and audio of the situation, and he can take over remotely.
One farmer can monitor a bunch of robots.