KEISER, Ark. (AP) — The herbicide dicamba has ruined about 100 acres of soybeans at a state-funded agriculture experiment station in northeastern Arkansas.

Northeast Research and Extension Center Director Chuck Wilson told the Arkansas Democrat-Gazette (http://bit.ly/2rr6qKq ) the afflicted field will be tilled and replanted. He said the damage was discovered Friday and that officials aren't certain where the herbicide originated.

"We're going to have to start over," Wilson said.

The University of Arkansas System Division of Agriculture operates the center. The farm consists of 750 acres, wher...