| November 2003 Articles |
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2003 Soybean Research Plots By Randy Simonson, Ph. D. Technical Services Manager |
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Soybean yields around the area are down. Most yields around here are in the 30's. Soybeans
on the TSM® Research Farm did not do too badly in comparison.
The yields on our main farm yielded from 54 to 58 bu./acre. This is a little less than average,
but not bad considering the year. The eleven-year mean for TSM® E is 62 bu./acre, so we are only four bu./acre off the mean. TSM® E again came out on top with the Tri-State recommendations a close second. The rest of the fertility treatments produced 54 or 55 bu./acre. There are a couple of things that helped us increase yields. Of course the TSM® program produced better yields, but even the universities and the conventional plots did rather well. The Nitragin® soybean inoculant gives us about two added bu./acre. But I think the most critical thing this year was the soybean variety selection. As we look at the variety trial, there is a huge variation among different varieties. The 15 Kruger® soybean varieties we tested ranged in yield from a low of 31.6 bu./acre to a high of 70.2 bu./acre. I think picking the right corn hybrid and the right soybean variety really made a big difference this year. In general, like the corn, the later varieties did better than the early varieties. Also, the soybean varieties with SCN resistance tended to do better. |
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