Abstract
Many variables influence yields of grain sorghum [Sorghum bicolor (L.) Moench] and make it difficult to provide appropriate recommendations to managers concerning planting dates, seeding rates, and hybrid maturity classes. General recommendations in extension publications provide a wide range of possible planting dates and seeding rates and usually suggest planting the latest maturing hybrid within the limitations of projected moisture availability and average length of growing season. Most research related to these issues focuses on just one variable, while holding others constant. This study used simulated grain sorghum yields to provide an economic risk analysis of planting date, seeding rate, and hybrid maturity for grain sorghum production in Kansas. The results showed that optimal planting dates, seeding rates, and maturity classes vary by location and risk preference. In general, the results indicate that extremely risk-averse managers would choose somewhat later planting dates, earlier maturing hybrids, and lower seeding rates than less risk-averse or risk-preferring managers.
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