Corn and cotton were down; soybeans and wheat were mixed for the week. Harvest corn futures prices retreated almost 20 cents from last week’s high of $3.95 on Tuesday.  This retreat eliminated last week’s entire 13-18 cent bump which resulted from the September WASDE and Crop Production reports. As harvest progresses north, we will likely see prices continue to slide lower and challenge the December contract low of $3.57 ½ on August 12th. Harvest weather conditions will be closely watched, as will variation in yield as harvest picks up in the Corn Belt.  Continue reading at Weekly Crop Comments.