Spectrum Analytic Inc
1087 Jamison Rd
Washington Court House, OH 43160
(800) 321-1562
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TAG: soil_test
A General Guide to Soil Sampling
A Guide to Fertilizing Apple Trees
A Guide to Fertilizing Blueberries
A Guide to Fertilizing Christmas Trees
A Guide to Fertilizing Grapes
A Guide to Fertilizing Raspberries and Other Brambles
A Summary of University Presidedress Nitrogen Test (PSNT) for Corn
Building Up and Drawing Down Soil P and K Levels
How to Read the Spectrum Analytic Soil Test Report
Interpreting Lawn and Garden Soil Test Results
Lead (Pb) Levels in Soil
Penn State Fertility Recommendations on Spectrum Analytic Soil Test Results
Penn State Fertility Recommendations on Spectrum Analytic Soil Test Results
Presidedress Soil Nitrogen Test
Soil Aluminum and Soil Test Interpretation
Why Labs Have Different Soil Test Results and Recommendations