No lawn out here in the desert. Just weeds.

It all depends on how much rain we get in winter. Here is what the weeds are looking like now. No big deal, right?
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Looks easy enough to deal with... one would think. But multiply that over an acre+ and it becomes too much to do by hand. Unfortunately, if left alone, like we did a couple years back, it grows to look like this.. (photo from 2020)
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And then to this... (also 2020) and with it come flies galore. It's one of those strange things of living out here. It also makes us wary of rattlesnakes hiding in there.
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Most years it isn't an issue because of the lack of rain. But we know now we have to keep it under control when we do get the rains. When it got this prolific, we did use a weed wacker and even a lawn mower to get it down. After that, we started using weed killer while the weeds were still small (like they are now) to prevent it getting so bad.
But now we have chickens. Yesterday they found a rare dandelion and ate it down. Yay! I don't think they are too keen on the type of weeds we have the most of though. I was really, really hoping they would eat them up.
Oh, I should mention too that I usually put Preen (a pre-emergent) down if it's rainy. But I have not used it in the backyard for fear the girls would just eat it up. So that's probably exacerbating the issue.
Not sure what we'll do. Though it feels a little better to vent.