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Lack of rainfall reduces yield on Ohio corn plot
 
By DOUG GRAVES
Ohio Correspondent

HAMLER, Ohio — Ten different seed brands dotted the top 10 spots in a corn test in Henry County. The test was conducted by Farmer’s Independent Research of Seed Technologies (F.I.R.S.T.) at the farm of Nathan Like in Hamler.

F.I.R.S.T. Site Manager Rich Schleuning planted the plot on April 23 at 32,500 seeds per acre and harvested at 31,000 plants per acre on Oct. 22. The plot, located in northwestern Ohio, used conventional fall tillage in moderately drained, non-irrigated loam soil with a moderate concentration of phosphorous and potassium. The pH was 6.5.

LG Seeds LG5541VT3Pro took first place for this test, with a yield of 136.9 bushels per acre and an estimated average gross income of $1,003 per acre. Moisture content was 22.1 percent.

Channel 207-13VT3P was second with an average yield of 131.8 bushels per acre and an income of $964. Moisture content with this variety was at 22.6 percent. Partners Brand PB 7632GT/CB/LL was third with an average yield of 131 bushels per acre and an income of $958. Moisture content was at 22.5 percent.

Great Lakes 5785VT3PRO was fourth at 129.6 bushels per acre and an income of $948 per acre. Rounding out the top 10 (in order of finish) were Rupp xr8034, G2 Genetics 5H-0504, Ebberts 7909VT3P, Specialty 83R90GENSSRIB, Doeblers RPM 609AM1 and NK Brand N61P-3000GT.

“This location got off to a great start with uniform emergence,” Schleuning said. “The 100-plus (degree) temperatures and dry conditions this summer took its toll on the crop. Pollination was uneven with poor kernel sets.”

Thirty-inch row spacing was used. The previous crop was soybeans, treated with Roundup. Pest management used for this test included Corvus, glyphosate and Aztec.

“There was fusarism and aspergillis ear rot present and the average yields around the area were 120 bushels per acre,” Schleuning said. Lodging for most all varieties was at 4 percent. The average yield for the 30 varieties was 113.2 bushels per acre.

“For the hot, dry growing season that we had, this turned out to be a satisfying test, though the yields that came through were below average,” Schleuning said.

The full-season test did not fare so well, and F.I.R.S.T. rejected the data obtained from that plot as unusable.

To learn more details about the top-yielding varieties and particulars of treatment, visit www.firstseedtests.com
11/1/2012