Abstract

Cultivar selection for specialty soybeans is mainly based on seed-yield performance, disease resistance, and value-increasing seed attributes. However, adoption of food-grade specialty soybean cultivars by farmers for commercial production requires studies on profitability and economic factors. This research evaluated the profitability of small-seeded, large-seeded, and high-protein specialty soybeans using break-even (BE) analysis to establish guidelines for cultivar selection and adoption based on economic feasibility. Differential costs for seed and weed control were considered in the BE analysis of two different planting systems: conventional (Scenario I) and herbicide tolerant (Scenario II) soybeans. Average BE premiums were $2.74, $4.26, and $1.30 bu-1 under Scenario I, and $2.02, $4.57, and $0.66 bu-1 under Scenario II for small seeded, large seeded, and high-protein test lines, respectively. At current premium level of $3.50 bu-1 for small seeded, $2.50 bu-1 for large seeded, and $1.50bu-1 for high-protein specialty soybean, BE yields for these three types of specialty soybean should be 76.46, 85.21, and 89.28 % of the check’s yield when compared with conventional soybean; and 77.47, 92.92, and 90.71 % of the check’s yield when compared with Roundup Ready soybean, respectively. Additional positive returns will be expected when the current premiums offered in the market are higher than the BE premium of a specialty