Estimates ranged from 55pc to 59pc good to excellent.

For soybeans, analysts predicted the USDA would rate 55pc of the US crop as good to excellent, up from 54pc a week earlier. Estimates on soybean ratings ranged from 54pc to 58pc good to excellent.

Analysts on average expected the government to show that farmers were able to plant 96pc of the US soybean crop as of Sunday, up from 92pc by June 30.

Planting of the US corn crop is virtually complete, with progress reaching 96pc by June 23.

The USDA is scheduled to release its report at 3 p.m. CDT (2000 GMT) on Monday.

For wheat, analysts, on average, expected the USDA to rate 76pc of the US spring wheat crop as good to excellent, up from 75pc a week ago.

For winter wheat, analysts expected the USDA to show the harvest as 45pc complete, up from 30pc a week earlier.

Analysts forecast, on average, that the USDA would rate 63pc of the winter wheat crop in good to excellent condition, unchanged from the previous week.