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1998 IOWA STATE UNIVERSITY RESEARCH
Four soil tests were taken on the research plot that SuperCal 98-G was applied. Prior to application the buffer pH was 6.55, 6.60, 6.70, 6.55.
On the Yield Comparison chart the U is urea. The 120 and 80 are the pounds used. The L is SuperCal 98-G and usage was 120 or 80 times 1.85. Therefore, on the plot with 120 pounds of urea, 222 pounds of SuperCal 98-G was used.
