Corn prices fell on Monday at the Chicago Mercantile Exchange, weighed down by the US dollar rose against most major counterparts amid uncertainty about the coronavirus crisis.
Markets are anticipating the weekly USDA report on the condition and quality of crops, harvest season, and exports.
The dollar index rose against a basket of currencies by 0.1% to 94.1 points as of 22:46 GMT, after it hit a high of 94.2 and a low of 93.8.
The US presidential election will start on Tuesday between President Donald Trump and the Democratic Party candidate and former Vice President Joe Biden.
Corn December futures fell 0.5% and closed at $3.97 a bushel, after hitting a day high of $3.97, and a low of $3.93.