Permaculture theory talks about "do nothing farming" where plantings are designed to be taken care of by natural forces, leaving humans to be as lazy as possible.
Clipping down the Horseweed the way I did was not "do nothing farming". It was boring, disruptive to mini ecosystems living there, and now I am icing my hands after so many jolts with the clippers.
As I cut, I thought about how Nature would limit the number of weed seeds produced by these plants. The ideas I came up with were:
Here are before and after pictures. I literally got too bored to cut it all down.