Wisconsin Soil Science Fundamentals video series
Nutrient Management Fast Facts includes crop nutrient recommendations, legume nitrogen credits, estimated nutrient contents for different types of manure, and more
New Nitrogen Recommendations for Corn in 2010
Nutrient Application Guidelines for Field, Vegetable, and Fruit Crops in Wisconsin— UWEX Pub. A2809, Phosphorus and potassium recommendations are on pages 47 and 48.
Consider No-till or Strip-Till for 2010
Soil Science Extension website
Nutrient and Pest Management and Integrated Pest Management programs’ website
Carrie Laboski’s NPK et cetera blog