57
in mid to late August indicated that the treatments with the zinc and boost would dominate this trial. We observed that we may have had some late pod abortion in the 2 treatments that had zinc. We hypothesize that we may need to tweak the timing when using zinc to a little earlier so next year we will try to side-dress soybeans in late R1 to early R2 rather than late R2. We observed that this would give the plant more time to metabolize the zinc. Any of the three treatments that we had in this trial turned out positive and had good ROI ranging from 83% to 354%. We would suggest looking at a side- dress application on your soybeans in order to increase yields and profitability.
Soybean Sidedress
Check
10-34-0
10-34-0 +Zn 10-34-0 +Zn+ Boost
% Mosture Test weight Yield 15.0%
12.2 58.0 95.1
13.6 56.0
12.7 58.2 98.0
13.1 56.0 99.5
100.1
Difference from check
5.1
3.0
4.4
Product Cost Grain Price Revenu Change
$13.75 $12.27 $62.38
$20.05 $12.27 $36.62
$23.55 $12.27 $54.52
Net Revenue
$48.63
$16.58
$30.97
ROI
354
83
132
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