Railroads use tanker trucks of broadleaf weed killers and hook them up in place of the old cabooses at the back of the trains. They spray the weeds and brush and kudzu keeping it off of the tracks. It seems like a stupid idea now but in the early 1900’s the AVERAGE river in Mississippi and Alabama were flowing with 36% sand, silt and gravel or basically rivers of mud. All that was eroding from the farm lands due to poor farming practices.
The old soil conservation books from the 1930’s show gullies in the gently sloping farm fields across the south 15<30 feet deep. You cut down the eastern forests, farmed a few years and then moved on to new lands.
The government promoted planting Bermuda Grass from East Africa and kudzu on these washed out farms and road embankments in an attempt to save roads and railroads from being washed away.
There are patches of Kudzu a couple of miles from my house here in East Texas. Keith Kridler
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