This will be more accurate than the garden store type tests.This has inspired me to order soil test kits. 'Bout time too... I've been here 30 years, had a garden for about 28 of them. I've done the $5 tests from the garden store, not really learned anything.
I ordered one for the heavy soil garden, and one for sandy soil garden. The soils are very different.
This is what they test for:
"What soil test results/fertilizer information will you receive?
This is through Michigan State University, which is a big ag school here. Long ago (50 years or so), it was a joke to call it, "Moo U."
- Nutrient levels for phosphorus (P), potassium (K), calcium (Ca), and magnesium (Mg)
- pH value and cation exchange capacity (CEC)
- The soil organic matter (OM) level
- Personalized recommendations for fertilizer and any needed pH modifications"