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2012 Pro Farmer Midwest Crop Tour Results: Iowa

August 23, 2012

By: Julianne Johnston, Editor

Following are final Pro Farmer Midwest Crop Tour results from Iowa:

Farmer Crop Tour Data — Iowa Corn
2012 District Ear Count in 60 ft of Row Grain Length
(inches)
Kernel Rows Around Row Spacing
(inches)
Yield
(per bu.)
Samples
IA1 98.83 6.02 15.86 29.91 159.87 47
IA2 85.37 5.17 15.44 30.00 119.25 35
IA3 88.56 6.15 15.68 29.51 148.08 41
IA4 91.07 5.88 15.60 29.91 143.22 44
IA5 88.00 6.30 15.94 30.44 145.72 27
IA6 89.13 5.61 15.35 30.08 132.32 71
IA7 84.51 6.14 15.49 29.49 137.00 39
IA8 72.21 5.15 14.96 30.86 88.73 14
IA9 89.26 5.36 15.07 30.26 123.26 23
Iowa Average 88.96 5.80 15.53 29.96 137.27 341
3-year avg. by district Ear Count in 60 ft of Row Grain Length
(inches)
Kernel Rows Around Row Spacing
(inches)
Yield
(per bu.)
Samples
IA 1 103.21 6.54 16.14 30.58 177.50 43
IA 2 103.49 6.55 16.16 30.09 181.84 27
IA 3 99.80 6.56 16.09 30.28 174.40 37
IA 4 100.02 6.60 16.08 30.03 176.98 44
IA 5 100.64 6.46 15.92 30.23 171.92 34
IA 6 99.14 6.63 16.14 30.31 174.90 52
IA 7 92.81 6.74 16.10 30.04 167.15 40
IA 8 89.40 6.41 15.27 30.58 142.54 21
IA 9 98.92 6.36 15.75 30.63 159.77 24
IA Average 98.93 6.57 16.01 30.27 171.66 321

 

Pro Farmer Crop Tour Data — Iowa Soybeans
2012 District Pod Count in
3 feet
Soil Moisture Growth Stage Row Spacing
(inches)
Pod Count in
3 X 3 Square
Samples
IA1 679.50 2.19 5.06 25.56 978.92 48
IA2 503.21 2.53 4.88 21.74 817.44 34
IA3 645.82 2.76 4.93 23.56 1024.73 41
IA4 553.65 2.09 5.09 22.98 894.79 44
IA5 783.63 2.62 5.04 23.17 1232.13 26
IA6 660.84 2.95 4.91 22.28 1115.55 59
IA7 533.74 2.05 5.00 19.21 1044.04 38
IA8 461.16 1.92 4.92 19.23 850.03 13
IA9 481.60 2.38 4.88 20.42 881.18 24
Iowa Average 606.28 2.43 4.97 22.41 999.80 327
3-year avg. by district Pod Count in
3 feet
Soil Moisture Growth Stage Row Spacing
(inches)
Pod Count in
3 X 3 Square
Samples
IA 1 852.33 3.93 4.83 26.72 1200.33 40
IA 2 840.32 3.80 4.75 26.30 1175.24 27
IA 3 756.20 4.55 4.94 24.93 1118.78 37
IA 4 807.82 4.19 4.81 22.88 1324.11 45
IA 5 839.47 4.13 4.84 23.67 1323.33 33
IA 6 758.83 4.29 4.84 21.06 1327.35 42
IA 7 661.25 4.40 4.76 19.43 1279.21 40
IA 8 668.50 4.15 4.51 21.68 1168.41 18
IA 9 712.16 3.79 4.68 21.23 1253.94 23
IA Average 771.43 4.20 4.79 23.03 1255.50 306

 

On the final day of the Pro Farmer Midwest Crop Tour, the eastern and western legs converged in Owatonna, Minnesota, for the release of official Tour results from Iowa and Minnesota. Iowa samples resulted in an average corn yield of 137.27 bu. per acre and an average soybean pod count of 999.80 in a 3’X3’ square. Minnesota resulted in a final corn yield of 156.19 bu. per acre and a pod count of 934.35 in a 3’X3’ square.

Pro Farmer Senior Market Analyst and eastern Tour Director Brian Grete saw wide variability in corn yields on his trek across Iowa with samples ranging from 0 to 202.5 bu. per acre. Overall, he says, corn yields were disappointing.

Soybean pod counts on Grete’s route were also “all over the board.” He continues, “While we got very good pod counts in some of the fields, they weren’t consistently strong.”

Pods were again absent from the bottom area of the plant, but Grete says “in most cases, the soybeans seemed to withstand drought conditions better than corn. But ironically, our lowest soybean pod count of the day came at the same stop as our highest corn yield.”

Looking back on Tour findings, Grete says that while he expected severe damage, it was still a shock to walk into some fields and come out with the poor results that were all too common this year. “The humbling aspect of the week was the stark reminder that severe weather conditions such as seen this year can trump production management, technology and soil types,” he says.

Eastern Tour Consultant Mark Bernard says: “All in all, the corn crop we saw today was the most variable I’ve seen on the nine Crop Tours I’ve participated in. It showed us the kind of yields Iowa is usually capable of. But it also reminded us of what kind of growing season we’ve been through.  We pulled a 228 bu./acre corn sample out of Buchanan and two samples later, we zeroed a field.”

Bernard notes standability was an issue for Iowa corn (for the fourth state in a row).

Soybeans are beginning to abort some pods in Iowa, and Bernard says low pod counts “likely foretell the tale of a soybean crop that could’ve been, given a few more timely rains and some cooler temperatures earlier on during pod set.”

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