The U.S. corn harvest advanced to 12% as of Sunday, while the soybean harvest went to 10%, USDA said in its weekly Crop Progress and Condition Report Monday.
Both of those paces trailed the respective averages of 23% and 17%, but forecasts for mostly warm, rain-free weather this week should allow for rapid progress.
USDA's corn condition rating was unchanged from a week ago at 74% good to excellent, while soybeans improved to 72% good to excellent from last week's 71%.
In Iowa, the top corn and soybean producer, corn harvest was 2% versus 5% a year ago and the 15% average while soybeans were 3% harvested versus 4% a year ago and 17% average.
Winter wheat 43% planted; Spring wheat 94% harvested
Winter wheat planting was at 43% as of Sunday, ahead of the 36% average. Kansas, the largest wheat producer, was at 31% planted, versus the 30% average pace. The crop was 14% emerged, compared with 11% a year ago and the 12% average, with Kansas wheat 13% emerged versus the 8% average.
Spring wheat harvest advanced to 94%, but trailed the 96% five-year average. In North Dakota, the largest producer, harvest was 91% done versus 94% a year ago and the 96% average
The Kansas state report said rain fell last week in the central and northern areas to slow corn harvest and wheat seeding, but statewide there were still 5.8 days suitable for fieldwork.
Topsoil moisture in Kansas slipped a little to 2% surplus, 62% adequate, 27% short and 9% very short from the previous week's 2%, 64%, 26%, and 8%. Year-ago readings were 2%, 50%, 35% and 13%.
Cotton: 10% harvested, 64% had bolls open
The cotton harvest at 10% was ahead of last year's pace but slightly behind the 13% five-year average. Bolls were open on 64% of the crop, compared with 57% a year ago and the 70% average. The crop improved 1 point to 49% good to excellent.
Sorghum was 32% harvested and 59% mature, versus the respective averages of 33% and 54%. It was unchanged at 57% good to excellent.
Rice was 59% harvested compared with 56% a year ago and the 62% average.
USDA discontinued oat harvest readings for the season.