Meanwhile, wheat markets move lower with reports of increased yields and the need to look for new demand. World prices remain lower than US prices.
Ghana expects to lose more cocoa crop while sugar futures closed lower.
The weather in the U.S. and around the world is getting better and wheat harvest should get underway soon.
Sugar futures moved higher last week as Brazil's currency remained strong. Both corn and oats also closed higher.
President Donald Trump has threatened to increase tariffs on Mexico, hurting the cotton market.
Corn prices are going to be relatively strong in the coming weeks.
President Trump has accused China of trying to cancel previously agreed trade deal terms and imposed new tariffs on Chinese goods.
Meanwhile, corn exploded higher last week as the weather market got underway.
The soybean market is also worried about overall demand from China due to the Asian Swine Flu.
Meanwhile, Brazil has a big production of coffee and there is a slow start to the harvest season for sugar in the US.