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<i>> as a way to combat soil erosion</i><p>I heard it differently. I heard that it was imported for aesthetic reasons (like starlings).<p>Nasty stuff. We're starting to see it up here, in New York. I remember it well, from Maryland.<p>Yay climate change!<p>I often "hit the reset button" on projects. It used to be waiting until the pain was great enough, but LLMs make it a lot easier.
The article abridged the history too much.
It was first imported as an exhibition of plants from Japan in 1876. It's usefulness as a ground cover in the US was understood later, and in the 1930s (Dust Bowl times) the USDA advocated farmers intentionally plant it as a way to hold down the soil. After that, you might say, it far <i>exceeded</i> its usefulness as a ground cover.
I’ve heard similar.<p>The other thing is that its coverage estimation was off by at least an order of magnitude. It is a transition zone species. So they cover trees that are at the perimeter of forests or stands along highways. Back in the 70s aerial estimations were not as good as today’s. Their visual extrapolations were thus way, way off. It’s still a pest but it’s not “swallowing the South”.