US corn futures jumped more than 3 percent on Thursday and soyabeans surged 2 percent after the US Department of Agriculture stunned traders by projecting a year-on-year decline in plantings of both crops. Chicago Board of Trade wheat futures followed the firm trend, despite the USDA's forecast of an expansion in total wheat plantings from a year ago. As of 12:58 pm CDT (1758 GMT), CBOT May corn was up 13 cents at $3.86-1/2 a bushel. May soyabeans were up 25 cents at $10.43 a bushel and May wheat was up 6-1/4 cents at $4.51-3/4.
The most-active corn contract was on track to post its biggest single-day climb since August 31 after the USDA forecast US corn plantings for 2018 at 88.026 million acres, down 2 percent from 2017 and below an average of trade expectations. The government projected soyabean plantings at 88.982 million acres, down 1 percent from 2017 and below a range of estimates from analysts, most of whom were expecting an increase in soyabean acreage.
The market shrugged off pressure from the USDA's larger-than-expected quarterly corn and soya stocks figures. The government reported March 1 corn stocks in all positions at 8.888 billion bushels and soyabean stocks at 2.107 billion, both above most analyst estimates. CBOT wheat futures followed corn and soyabeans higher, despite the USDA forecasting an expansion in wheat acres. Most of the growth came in plantings for spring wheat, which the government put at 12.6 million acres, up from 11 million in 2017. The USDA reported March 1 wheat stocks at 1.494 billion bushels, in line with expectations.