NEWS
Dr. Dan Talks Agronomy
Dan Davidson DTN Contributing Agronomist
Wed May 21, 2014 05:09 PM CDT

Alfalfa is autotoxic, which means you can't kill an alfalfa stand and immediately reseed it back to alfalfa. You have to wait at least one to two years before planting alfalfa back into the same field and another crop must be planted on that land during that waiting period.

However a farmer from Kentucky emailed DTN and asked if he could terminate alfalfa this spring, plant Sudangrass and reseed alfalfa this fall -- essentially breaking the autotoxicity cycle in four months.

Great question and to double check, I tossed it to John Jennings, University of Arkansas Extension forage specialist. "Autotoxicity ...

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