2021 Orthman Research Yield Book


To evaluate this trial we used yield and seed cost to calculate a net revenue per acre then we could compare and see if one population was the most profitable. By pure revenue increase we would say that 120K was the best population. However, when we apply seed cost and calculate a net revenue the 60K population is the most profitable. In times with high inputs are there ways to decrease cost but maintain yield? Reducing soybean population will not be a fit for all growers but could be a fit for those who are the more intense managers. We plan to replicate this trial on the Orthman research farm in 2022 to further evaluate the validity of reducing planting population of soybeans.

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