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Corn+Soybean Digest

First Report: October 19

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Corn and soybean harvest continues
In the reports below, the managers of F.I.R.S.T. (Farmer's Independent Research of Seed Technologies) provide a weekly snapshot of how corn and soybeans are yielding. These managers conduct on-farm research trials from farms just like yours. Take a look at their area's summaries and then click on the reports in blue to see exact harvest information from on-farm tests. To view maps of the regions these harvest reports cover, click on the links below.

Illinois East Central and Illinois Central
Eric Beyers

Eric BeyersHarvested Oct. 12, the Rossville, IL, site yielded an average of 214 bu./acre for the early season test and 215.3 bu./acre for the full-season test. The site had good kernel sets and kernel quality. A site was also planted at the Rossville, IL, location to test hybrids not genetically resistant to rootworm beetles. Average yields there were 198.5 bu./acre.
Rossville, IL – Early Season Test
Rossville, IL – Full-Season Test
Rossville, IL – CRW Susceptible Test

Illinois North
Jason Beyers

Jason Beyers Corn hybrids were all extremely dry at the Mazon, IL, field at harvest on Oct. 11. Most hybrids did not have any leaves left on the stalks, and there was a large amount of stalk rot present. Average yield was 176.1 bu./acre on the early season test and 183.6 bu./acre on the full-season test.
Mazon, IL – Early Season Test
Mazon, IL – Full-Season Test

Indiana Central, Indiana North and Ohio North West
Rich Schleuning

Rich Schleuning The Payne, OH, field had good emergence which resulted in a good final stand at harvest on Oct. 10. Average yield was 224.2 bu./acre on the all-season test.
Payne, OH – All-Season Test

Dry weather after planting delayed germination and emergence of some hybrids by three weeks at Marion, IN. At harvest, stalk quality was poor due to stalk rot. Average yields were 172.3 bu./acre on the early season test and 182.1 bu./acre on the full-season test.
Marion, IN – Early Season Test
Marion, IN – Full-Season Test

A wet spring and timely rains in June and July helped make the yields at New Paris, IN. The average yield was 191.3 bu./acre on the early season test and 199.8 bu./acre on the full-season test.
New Paris, IN – Early Season Test
New Paris, IN – Full-Season Test

The Woodburn, IN, location had a wet spring and good growing conditions through harvest. The average yield was 190.7 bu./acre on the early season test and 194 bu./acre on the full-season test.
Woodburn, IN – Early Season Test
Woodburn, IN – Full-Season Test

Iowa North Central and Iowa North West
Chris Clark

Chris ClarkDespite dry conditions at planting on May 1, the Floyd, IA, field grew well most of the growing season. The location experienced some heat stress before and during pollination, but the crop wasn't affected. The average yields were 172.6 bu./acre and 180.9 bu./acre for the early and full-season tests, respectively. This location also had an ultra-early test which had an average yield of 176.3 bu./acre.
Floyd, IA – Early Season Test
Floyd, IA – Full-Season Test
Floyd, IA – Ultra-Early Season Test

Regular rainfall helped produce very good yields at the Greene, IA, plot. A wind storm after pollination caused some root lodging, but yields were still very good. The early season test averaged 175.2 bu./acre. The full-season test had an average yield of 195.4 bu./acre.
Greene, IA – Early Season Test
Greene, IA – Full-Season Test

The Lawler, IA, field experienced a dry spring and wetter conditions later in the summer. A June 21 hail storm caused some damage, but yields were still considered very good. Average yields were 173.7 bu./acre and 188.6 bu./acre for the early and full-season tests, respectively. This location also had an ultra-early test, which had an average yield of 174.6 bu./acre.
Lawler, IA – Early Season Test
Lawler, IA – Full-Season Test
Lawler, IA – Ultra-Early Season Test

There was good spring moisture at the LeMars, IA, location, but then the field had hot and dry conditions through July. An August hail storm also caused damage. Despite that stress, the plot grew well and yields were better than expected. Average yields were 158.5 bu./acre and 176.9 bu./acre for the early and full-season tests, respectively.
LeMars, IA – Early Season Test
LeMars, IA – Full-Season Test

The Newell, IA, location had a wet spring followed by a period of heat stress in June and July. A major windstorm on July 3 caused some green snap and/or goosenecking on certain hybrids. The green snap did affect yields, but overall the yields were better than expected. Average yields were 198.4 bu./acre and 200.6 bu./acre for the early and full-season tests, respectively. This location also had an ultra-early test which had an average yield of 183.3 bu./acre.
Newell, IA – Early Season Test
Newell, IA – Full-Season Test
Newell, IA – Ultra-Early Season Test

South Dakota Southeast
Mark Querna

Mark QuernaThe Humboldt, SD, site had ample rain at planting and into June. July was warm and dry, but August had 7 in. of rain to help kernel fill. The average yield was 176.4 bu./acre on the early season site and 169.5 bu./acre on the full-season site. These are above the five-year average of 130 bu./acre on this farm site.
Humboldt, SD – Early Season Test
Humboldt, SD – Full-Season Test

The data collected from the Ethan, SD, site was deemed unreliable due to difficult planting conditions and uneven emergence from a wet, early growing season. There was a great deal of yield variance at harvest, and therefore the results from this test are not being reported for 2007.

Illinois North Central, Illinois South and Illinois South Central
Eric Beyers

Eric BeyersTuscola, IL, had good growing conditions and produced a respectable average yield of 56.2 bu./acre.
Tuscola, IL - Soybeans

Planted May 17, the Findlay, IL, plot had an average yield of 42.9 bu./acre. This was slightly below the 50-bu./acre average yield that was anticipated. Drought in August and September stressed the plants, and as a result the harvested seed had a greenish hue.
Findlay, IL - Soybeans

The Jewett, IL, plot had an average yield of 39.1 bu./acre. August heat produced medium plant heights, but caused harvested seed size to be very small.
Jewett, IL - Soybeans

The Rossville, IL, field had good yields and excellent large-seed quality. At harvest several varieties had green stems. Average yield was 53.2 bu./acre.
Rossville, IL - Soybeans

Indiana North and Indiana Central
Rich Schleuning

Rich SchleunintRain in late July and August helped the stand at La Crosse, IN. Average yield was 64.5 bu./acre.
La Crosse, IN - Soybeans

August rains helped fill pods at Wolcott, IN. However, many of the pods were empty. Thus, average yield was only 53.4 bu./acre.
Wolcott, IN -Soybeans

Timely rains in July and August helped produce an average yield of 52.5 bu./acre at Danville, IN. Many plants had three pods.
Danville, IN - Soybeans

The Greensburg, IN, location only received 6 in. of rain all growing season. The plants were short, and nodes were stacked close due to the dry weather. Average yield was 37.1 bu./acre.
Greensburg, IN - Soybeans

Iowa South and Iowa South Central
Jason Beyers

Jason BeyersLate rains in the growing season helped produce a nice crop at the Oskaloosa, IA, field. The average yield was 65.7 bu./acre. There was no evidence of any disease pressure at harvest on Oct. 12.
Oskaloosa, IA – Soybeans

The Lewis, IA, field was wet early in the growing season, which helped get the crop off to a good start. Average yield was 61.4 bu./acre. All varieties were relatively short and standing well.
Lewis, IA – Soybeans

Field conditions produced an excellent yield of 77.7 bu./acre at the Winterset, IA, field. Soybeans showed no sign of disease, and all varieties were standing well at harvest on Oct. 12.
Winterset, IA – Soybeans

Timely rainfall all summer helped the Keystone, IA, field produce an average yield of 62.6 bu./acre. All plants contained 5-7 pods/cluster. Most varieties had short internodes.
Keystone, IA – Soybeans

Lack of rainfall during some key times in the growing season hurt the yields at the Anamosa, IA, field. The site had an average yield of 51.4 bu./acre. White mold was found on several hybrids in the field. Some lodging also occurred.
Anamosa, IA – Soybeans

The Slater, IA, field received large amounts of rainfall early in the growing season. As a result, there were some inconsistencies in the plot due to some water ponding for a short period of time. But, overall, the plants were standing excellent at harvest and there was no evidence of disease pressure. Average yield was 57.2 bu./acre.
Slater, IA – Soybeans

The Yale, IA, field produced an average yield of 56.3 bu./acre. The site had heavy rainfall early in the growing season, but drought conditions later in the summer. Plant heights ranged from 8 to 50 in.
Yale, IA – Soybeans

Minnesota South Central and Minnesota Southern
Rick Querna

Rick Querna The Easton, MN, field had adequate rains early during the growing season, then experienced timely rainfall the remainder of the summer. A 6-in. rain in mid-August helped produce the average yield of 59.9 bu./acre.
Easton, MN – Soybeans

The Madison Lake, MN, field had excellent growing conditions in May and early June. July was fairly dry, but rain in August helped boost average yields to 61.9 bu./acre.
Madison Lake, MN – Soybeans

South Dakota Southeast
Mark Querna

Mark QuernaSpring showers delayed planting until May 22 at the Ethan, SD, plot. The moist conditions caused uneven emergence and some low stand counts. The site averaged 39.9 bu./acre.
Ethan, SD – Soybeans

Spring rains delayed planting until May 25 at Mission Hill, SD. June and July were hot and dry, but August rains helped fill out the soybean pods. The site averaged 53 bu./acre.
Mission Hill, SD – Soybeans

Planting conditions were ideal at Beresford, SD, and early season growth was good. But, no rain fell at this site from June 2 to Aug. 2. Plants shut down before August rain could rekindle growth. The site averaged 46.7 bu./acre.
Beresford, SD - Soybeans

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