Nutrient Management
Managing nutrients, whether it is synthetic fertilizer or manure and other organic fertilizers requires planning. Determining which type of fertilizer to apply, the application rate and timing are key factors in managing soil to improve crop yield and quality, reduce fertilizer costs and help protect the environment.
Nutrient Management
- Fertilizer and Lime Materials- Oregon State University
- Monitoring Soil Nutrients Using a Management Unit Approach - Learn how to design a soil nutrient monitoring strategy that fits today’s requirements for record keeping and increased accuracy in management nutrients.
- Nitrogen Uptake and Utilization by Pacific Northwest Crops
- Post-Harvest Soil Nitrate Testing for Manured Cropping Systems West of the Cascades
- Agriculture Phosphorus Management using the Oregon/Washington Phosphorus Index
- Fertilizing Lawns - This publication will help you better understand the reasons for fertilizing, optimum application rates and timing, types of fertilizer materials, how to read a fertilizer label and how to avoid turf damage and environmental pollution.
- Fertilizing Your Garden
Fertilizer and Nutrient Management Guides
Organic Fertilizer Resources
- Fertilizing with Manure
- Calculating the Fertilizer Value of Manure from Livestock Operations - Outlines a method for calculating appropriate manure application rates for particular crops and soil conditions.
- Manure Management Practices to Reduce Water Pollution
- Fertilizing with Yard Trimmings
- Predicting Nitrogen Availability for Organic Amendments - A study to improve the ability to predict nitrogen availability from organic soil amendments, including improved accuracy of Nitrogen availability estimates, to target amendment application rates to meet crop N needs.
Fertilizer Calculator
- How to - Fertilizer Calculator Intro. - Oregon State University Extension and Oregon Tilth have developed an Organic Fertilizer Calculator. This resource allows farmers to determine how much nutrient value is available is different sources of organic fertilizer at varying degrees of degradation...etc...