Stephen A. Ebelhar

Areas of Expertise

• Fertilizer management for row crops and forages
• Nutrient utilization by crops
• Soil testing and interpretation of results
• Variable rate technology and precision agriculture
• Managing corn, soybean, wheat and grain sorghum production systems
• Optimum wheat production management
• No-till and reduced tillage production systems
• Winter annual cover crop management

Current Research Projects

• In-furrow and starter nitrogen for no-till and reduced tillage corn
• Utilization of nitrification inhibitors and urease inhibitors for no-till corn
• Liming corn and soybean tillage systems
• Precision agriculture systems for southern Illinois
• Cover crops in corn, soybean and wheat rotations
• Soybean row spacings and seeding rates
• Nitrogen and irrigation management for soybeans
• Nitrogen and intensive management of wheat
• In-furrow nitrogen and phosphorus placement for wheat

Current Issues in Soil Fertility and Crop Production

• Variable rate technology and precision agriculture utilization for southern Illinois
• Nutrient placement in no-till and reduced tillage systems
• Management of and nutrient recovery from animal and industrial wastes
• Reducing nitrogen and phosphorus movement from agricultural fields
• Increasing profitability of grain and forage production systems in southern Illinois

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