Even before China officially said it would stop buying US agricultural products, the US Department of Agriculture’s (USDA) weekly export sales data shows US corn exports plunged to a 19-month low in June and could be depressed even further in July as elevated spot prices and increased foreign competition continued to weaken exports, reported Reuters.
https://www.zerohedge.com/news/2019-08-07/farm-crisis-spreads-us-corn-exports-plunge-19-month-low