Phosphorus and Potassium
Videos
More videos can be found on the UWEX YouTube channel
Dr Carrie Laboski shows you the effects of potassium deficiency on soybean in the field.
Published Materials
Phosphorus Budget for Wisconsin (Journal of Soil and Water Conservation)
Nutrient Application Guidelines for Field, Vegetable, and Fruit Crops in Wisconsin (UWEX A2809)
Converting CRP Land to Corn: Minimizing Phosphorus Loss (UWEX 3831)
Understanding Plant Nutrients: Soil and Applied Potassium (UWEX A2521)
Understanding Plant Nutrients: Soil and Applied Phosphorus (UWEX 2520)
Articles, Papers & Presentations
Understanding Phosphorus, Potassium, Calcium & Magnesium
Dairy Diet Phosphorus Source Effects on Runoff Losses
Phosphorus Feeding Strategies for Dairy
Getting the Most from N and P Applications on Processing Crops
Development and Validation of the Wisconsin Phosphorus Index
How Do Manure and Commercial Fertilizer Phosphorus Sources Differ
Should High Potash Prices Change alfalfa Fertilization Practices?
Potassium and Potassium Management
Soil Management and Potassium Availability
No-Till Corn Response to Potassium Fertilization
Alfalfa Response to Potassium at Various pH Levels