https://phys.org/news/2018-06-cotton-weed-suppression-chemical-nutrient.html

"Our researchers here at Texas A&M AgriLife have addressed an issue that costs producers billions of dollars," said Dr. Patrick Stover, vice chancellor of agriculture and life sciences at Texas A&M in College Station and AgriLife Research acting director. "This is an economical, envrionmentally safe and sustainable solution.

Stover said this is an exciting and timely discovery in the movement to get ahead of the ongoing problem of weeds evolving faster than the chemicals and other methods developed to control them.