ROCKVILLE, Md. (DTN) -- Fallow acres never stay empty long -- just ask Jim Crawford, superintendent of the University of Missouri's Graves-Chapple research farm.
As record rainfalls in May and June kept frustrated farmers out of the field last year, Crawford watched the low-lying river bottom acres of northwest Missouri grow up into dense, waist-high fields of weeds.
"It was your standard mix," he recalled. "Marestail, waterhemp, lambsquarter, sunflowers. Without any burndown or pre-emergence applications, and no crop to shade out the weeds, they just went nuts."
By the time fields dried out enough for farmers to venture in with ...