The following web casts are presentations, by our specialists, on current soil fertility topics.

Application of Liquid Animal Manures Using Center Pivot Irrigation Systems

• Equipment and Plant Phytotoxicity Bill Kranz, UNL Haskell Ag Lab

Update on current soil topics

• Non-traditional products: NCERA-103 Richard Ferguson, UNL
• Fertilizer Recommendation Software - SoilTest Nebraska Richard Ferguson, UNL
• What in the World is Going on with Fertilizer? Gary Hergert, Panhandle Research & Extension

Slow release nitrogen fertilizers: mode of action and potential for Nebraska

• Introduction to slow release materials Richard Ferguson, UNL
• Effective, Efficient Environmentally Smart Nitrogen Alan Blaylock, Agrium Co, Denver, Colorado
• The Impact of Slow or Controlled Release Urea Formulation on Nitrate Leaching Below the Root Zone of Irrigated Corn Richard Ferguson, UNL

Download the UNL Corn Nitrogen Recommendation Calculator (revised April 8, 2008) and Instructions. View a presentation and two conference proceedings papers (1, 2) that summarize recommendations. (Adobe Reader required: click here to download)

Fertilizer Chooser: A computer program that finds the best combination of fertilizer materials that minimizes the cost of fertilization.

Hybrid-Maize Model: A computer program for simulating corn growth and yield. New version (2005.1) now available.

Yield Check: Software for screening geo-referenced yield monitor data.

Download the nitrogen, phosphorus, and potassium fertilizer calculators for winter wheat fertility. Use these calculators in junction with the following NebGuides: G02-1460-A: Fertilizing Winter Wheat I Nitrogen, Potassium, Micronutrients and G02-1461-A: Fertilizing Winter Wheat II Phosphorus.