State extension labs run $10-20 per sample and include amendment recommendations.
Soil Health & Amendments
How often should I test my soil?
Test annually if you're actively amending soil or new to a property. Test every 2-3 years for established gardens and pastures in maintenance mode. Test after any major event (heavy lime, manure spreading, soil disturbance) to track changes. Spring testing — before planting — gives time to apply amendments.
More from Soil Health & Amendments
- How do I read a soil test report?
- What pH should my soil be for vegetables?
- What pH should my soil be for pasture grass?
- How do I raise soil pH?
- How do I lower soil pH?
- What does low phosphorus mean for my crops?
- What is cation exchange capacity and why does it matter?
- What is organic matter and how do I increase it?
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