I'm giving five presentations at the Northern Green Expo.

• The (New) Fundamentals of Turfgrass Nutrition
• Nutrient Use by the Grass and Nutrient Supply by the Soil
• Calculating the Fertilizer Requirement for any Turfgrass, Anywhere
• Soil Water Management: Amount, Timing, and Syringing
• Instead of Shade, Let's Talk About Light

I combined the handouts for each presentation into this single document for easy reading. I especially like this part: