As of July 28 the survey showed 49% of Iowa's topsoil was in the adequate and surplus moisture categories, an increase of 6% from the previous week. Topsoil moisture levels rated 15% very short, 36% short, 47% adequate and 2% surplus. The rain was not significant enough to impact subsoil moisture ratings, which continued to decline. A total of 60% of subsoil was in the adequate and surplus categories, down 6% from last week. Subsoil moisture levels rated 8% very short, 32% short, 58% adequate and 2% surplus.
Three-fourths of Iowa corn crop now tassled, behind 5-year average of 88%
Seventy-four percent of the Iowa corn crop has tasseled, well behind last year's 99% and the five-year average of 88%. Half of the corn crop was silking as of July 28, lagging behind last year's 96% and the normal 77%. Five percent of the corn crop has reached the milk stage. Corn condition was rated 4% very poor, 11% poor, 32% fair, 41% good and 12% excellent.
Sixty-three percent of the soybean crop was blooming as of July 28, behind last year's 92% and the 5-year average of 83%. Pods were being set on 14% of the soybean crop, trailing last year's 54% and the normal 43%. Iowa's soybean crop condition was rated 3% very poor, 9% poor, 35% fair, 41% good and 12% excellent. Ninety-five percent of the oat crop has turned color, now only 1% behind the 5-year average of 96%. Forty-seven percent of the oat crop has been harvested, 10% behind normal. Oat condition was rated zero percent very poor, 5% poor, 31% fair, 53% good and 11% excellent.
The 2nd cutting of alfalfa was 75% complete, only 2 percentage points behind normal. Hay condition was rated 1% very poor, 8% poor, 31% fair, 48% good and 12% excellent. Pasture condition was rated 4% very poor, 14% poor, 34% fair, 38% good and 10% excellent. Livestock benefited from the cool weather during the week.