The consultancy said in a report that the harvest could include 27.6 million tonnes of wheat, 7.97 million tonnes of barley and 35.71 million tonnes of corn. It said a higher output would allow Ukraine to increase grain exports to 54.2 million tonnes in 2021/22 season from 45.6 million tonnes in 2020/21.
CBOT wheat gained overnight, boosted by strength in corn and soybeans as concerns over dryness in Europe and US spring wheat planting regions continue to provide support.
CBOT's most-active wheat contract climbed above its 100-day moving average overnight, nearing its 50-day moving average of $6.40.
*That was down from 27.56 million tonnes cleared by the same week last season, the data showed.
* Since Jan. 1, the European Commission's data has covered the EU's 27 countries only, whereas previous figures up to Dec. 31 covered both the EU-27 and Britain.
Russian wheat with 12.5% protein loading from Black Sea ports for supply in April was at $247 a tonne free on board (FOB) at the end of last week, up $2 from the previous week, IKAR said.
Sovecon, another consultancy, said barley prices fell by $2 to $233 a tonne.
Benchmark CBOT May soft red winter wheat rose above its 100-day moving average for the first time since March 24 during the overnight trading session. Technical resistance was noted at the contract's 30-day moving average.
CBOT May soft red winter wheat was last up 5-1/2 cents at $6.34-1/4 per bushel. K.C. May hard red winter wheat was last up 5-3/4 cents at $5.82-1/4.
Russia doubled its wheat export tax to 50 euros ($59) per tonne last month in an attempt to curb high food price inflation amid the coronavirus pandemic. The tax was at 25 euro/tonne on Feb. 15-28.
The current low pace of wheat exports brought the estimate down, as did the fall in export prices in March, Sovecon, one of the leading agriculture consultancies in Moscow, said in a note.
May milling wheat on Paris-based Euronext, the last available contract for the current 2020/21 season, was down 2% by 1612 GMT to 210.50 euros a tonne.
Good soil moisture that is boosting crop prospects in key growing areas pressures wheat futures.
On a continuous basis, the most-active CBOT soft red winter wheat contract hit a three-month low overnight and was on track for a weekly drop of 2.6%, which would be its biggest since early February.
The rice was sought for delivery between June 1 and July 31. Tender deadline is April 16, traders said.
Mauritius had on March 18 purchased about 4,000 tonnes of long grain white rice to be sourced from India and Pakistan for delivery between April 15 and June 15.
In grain supply and demand data, the Commission also projected that EU exports of common wheat, or soft wheat, would reach 30.0 million tonnes next season compared with 27.0 million expected in the current 2020/21 season that ends on June 30.