Much of northern Iowa and southern Minnesota saw beneficial rain over the past week that helped stimulated crop growth. Cool and cloudy conditions allowed for optimum moisture absorption. Below normal overnight temperatures resulted in scattered reports of frost across the area.
Iowa topsoil moisture levels rated 1% very dry, 14% short, 76% adequate and 9% surplus. Subsoil moisture levels rated 10% very short, 28% short, 54% adequate and 4% surplus in Iowa. Topsoil moistures in Minnesota improved to 4% very short, 20% short, 71% adequate and 5% surplus. Subsoil moisture supplies in Minnesota were rated at 6% very short, 24% short, 68% adequate and 2% surplus.
Corn planting in Iowa is virtually complete and corn has reached 87% emergence. Iowa’s corn condition is rated at 81% good to excellent. Soybean planting is 12 days ahead of normal with 93% of the crop planted. Soybean emergence in Iowa reached 72%, nine days ahead of the 5-year average. Iowa’s first soybean rating showed 23% of the crop being fair, 60% good and 16% excellent. Much needed moisture increased corn emergence from 39% last week to 89% for the week ending on May 30, 2021. The June 1, 2021, report saw the first corn conditions for Minnesota with 22% rating fair, 62% rating good and 14% with an excellent rating. Soybean planting in Minnesota saw 89% emergence, which is two weeks ahead of the 5-year average. Soybean conditions across Minnesota were rated at 22% fair, 65% good, and 11% excellent.
*Information and graphs obtained from June 1, 2021 USDA, NASS report