This should make the anti-chemical alarmists deliriously happy.
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I bet it won't.
They live to complain.
They'll find something else to complain about.
They always do.
But I digress
The first job I ever had was 'choppin cotton'. Strange as it might seem the idea was NOT to harm the cotton but rather to kill the weeds. I used a hoe. A few years later I had a summer job in High School...'rouging maize'. I used a machete. Oh the horror..the horror. The mere sight of my blade would make a grown snow-flake cry.
But I digress again.
The point is...it doesn't take a chemical to kill a weed. A seven year old with a blade can do the job just fine. I got fifty cents an hour. I thought that I was RICH. But minimium wage laws, child labor laws...and stuff...eliminated that job.
So Robots.
I like the Tertill
Solar power. Not many 'smarts'. Leave it in your garden and 'fuggetaboutit'.
Where Tertill goes, nothing grows.
Seems like a good idea to me.
On a larger scale..there are bigger 'bots.
Weed-killing robots are threatening giant chemical companies
AI-Enhanced Weed-Killing Robots Frighten Pesticide Industry - Slashdot
These weed-killing robots could give big agrochemical companies a ...
Solar-Powered, Weed-Killing Robots Could Save Farmers Billions of ...
Robots fight weeds in challenge to agrochemical giants | Reuters
and much, much more