There's a herbicide called Callisto. I use it on my farm. Many years ago someone noticed that while grass will grow under a walnut tree, hardly anything else will. Turns out the walnut tree roots put Callisto into the soil and that kills competing broadleaf plants. The farm herbicide companies took notice and duplicated the walnut trees trick.
Seems like Callisto otta be labeled natural, organic, green, whatever. But it isn't.
Why ?
Seems like Callisto otta be labeled natural, organic, green, whatever. But it isn't.
Why ?