U.S. corn futures rose on Tuesday as strong demand for supplies pushed prices toward a more than seven-year high.
The most active corn futures on the Chicago Board Of Trade were up 0.3% at $5.51 a bushel by 0139 GMT. Corn rose 0.4% on Monday when prices hit a June 2013 high of $5.54 a bushel.
The most active soybean futures were up 0.2% at $13.68 a bushel, having closed down 0.3% on Monday.
The most active wheat futures were up 0.2% at $6.52-1/2 a bushel, having closed down 1.8% on Monday.
The U.S. Agriculture Department confirmed private export sales of 125,730 tonnes of U.S. corn to Mexico and another 110,000 tonnes to Japan on Monday morning, for delivery in the 2020/21 marketing year.
That was on top of corn sales last week to China totalling 3.74 million tonnes, one of the largest U.S. corn export sales weeks on record.
Russia, one of the world's largest wheat exporters, is considering a formula-based tax on the wheat it sends abroad from 1 June, a month earlier than previously stated, two sources familiar with government talks told Reuters on Saturday.