2021 Orthman Research Yield Book

64

Soybean Population Results and Discussion During the growing season we collected physiological measurements from each trial to give us an indication of what we could see at harvest time. We measured plant height, number of branches and number of nodes across each treatment with 3 replications of 21 plants for each treatment. After we combined the data and averaged it for each treatment we could then start predicting what harvest results had potential to look like. Plant height did not change dramatically between treatments.

Soybean Planting Population

Check 150K 60 K

80 K 100 K 120 K 11.3 11.2 10.9 53.0 54.0 57.0 82.3 83.7 84.5

% Mosture Test weight Yield 13.0%

10.7 56.0 82.9

11.1 56.0 83.6

Difference from check 1.6 Seed Cost $/ac $55.00 $22.00 $29.33 $36.67 $44.00 Grain Price $12.27 $12.27 $12.27 $12.27 $12.27 Revenu Change $9.44 -$6.66 $9.79 $19.85 0.8 -0.5 0.8

Net Revenue $/ac

$961.8 $1,004.2 $980.8 $989.9 $992.6

Difference from the check $/ac

$42.44 $19.01 $28.13 $30.85

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