Understand Soil Testing Results
Interpretation of Soil Test Results (PDF | 298 KB)
Iowa State University. Cooperative Extension Service.
Discusses using soil test results to manage nutrients for cropland.
Soil Fertility Test Interpretation - Phosphorus, Potassium, Magnesium, and Calcium (PDF | 125 KB)
Rutgers University. Cooperative Research and Extension Service.
Provides nutrient management guidence based on soil testing results.
Soil Test Explanation (PDF|32KB)
Colorado State University. Cooperative Extension Service.
Explains soil tests for pH, soluble salts, organic matter, nitrate nitrogen, phosphorus, potassium, zinc, iron, copper, manganese, lime and soil texture.
Soil Test Interpretations
New Mexico State University.
Explains how to read and use soil test results to manage soil fertility for crop production.
Soil Test Interpretations and Fertilizer Management for Lawns, Turf, Gardens, and Landscape Plants
University of Minnesota. Cooperative Extension Service.
Presents fertilizer and lime recommendations for home lawns, vegetable and flower gardens, small fruits, tree fruits, and ornamental trees and shrubs.