Total Nitrogen (N) Only
Total Nitrogen (N) & Phosphate (P2O5)
Total Nitrogen (N), Phosphate (P2O5) & Potash (K2O)
Sulfur as Sulfate
Basic Elements Analysis Suite:
You can add additional elements to this test on the order page.
CDFA Fertilizer Test of Humic Acid
Specific Gravity Only
Total Phosphate Only
Order this Testing for presence and quantity of Heavy Metals in Solid Samples:
Soils, Compost, Fertilizer, Manure and Humate.
Pick and choose the elements you want tested.