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An evaluatuion of soybean response to SuperCal SO4, boron, copper and zinc in 2003
Soybean control areas without SuperCal SO4, boron (B), copper (Cu), or zinc (Zn) yielded 19.2 bu/A. This was a poor year for soybeans. Yields were low due to a very dry August, and yields are typical for this area. The best treatments and their yield responses are shown as differences compared to controls in the table below. None of the differences are statistically significant.
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SuperCal SO4 was applied at 400 LB/A
Copper (Cu) was applied at 3 PT/A
Boron (B) was applied at 1 LB/A
Zinc (Zn) was applied at 2 QT/A
