Soil Fertility / Fertilizer Presentations
in PowerPoint (2000) or Word (2000)
Some images in the presentations are copyrighted.
Please use discretion and obtain use permission when circulating images.
2003
Cargill Ag College for Crop Nutrition (Houston, TX) - February, 2003
Sulfur Influence on Corn and Soybean Yields (Howard J. Woodard)
2002
Fertilizer Dealer's Meetings (Brookings, Parker, Pierre, Aberdeen, SD) - December 2002
Soil Testing Update (Ron Gelderman)
Tillage Systems (Anthony Bly)
The Truth about Ortho and Ployphosphates (Jim Gerwing)
Non-Traditional Fertilizer Products (Jim Gerwing)
Lime and Gypsum - Where do we use these Amendments? (Howard J. Woodard)
Phosphorus Nutrient Management (Frank Schindler)
North Central Extension and Industry Soil Fertility Conference (Des Moines, IA) - November 2002
Sulfur Influence on Crop Yields (Howard J. Woodard, Ron Gelderman, Jim Gerwing, and Anthony Bly)