My guess is that the idea is to keep one from spraying too much weed killer and maybe killing the entire forest.
I had eyes on this because my neighbor, old guy, can’t stand him, has a whole yard full of freaking bamboo growing and now it’s crept through the fence and is growing wild on my long.
My Guatemalan gardener (the Guatemalans took me out for a Mother’s Day buffet, wasn’t that sweet? Haven’t seen daughter in three years) got some kind of week killer and he got most of it though it’s trying to grow back.
And still that bamboo grows wild in his yard and we got to spray weed killer to keep it away.
It’s the ugliest sight in the world.
Funny Pat that I have exactly the same problem with the left side fence in our backyard. the neighbors bamboo has encroached under the fence and knocked the fence partially down. Even the Roundup barely slows down the bamboo. In Vietnam the Cong would tie captured GI’s and South Vietnamese down over a bed of bamboo and let it grow right threw the poor bastards bodies. Nice folks!