Analysis Price Method
Alkalinity (all forms) 13.00 WSPTP S-1.30
Cation Exchange Capacity (CEC) 55.00 WSPTP S-10.20
Chloride 16.00 WSPTP S-1.40
Conductivity (EC25) 11.00 WSPTP S-1.20
Exchangeable Cations (specify) 40.00 USDA HNBK 60
Exchangeable Sodium Percentage (ESP) 25.00 USDA 525-6A
Nitrogen-Ammonia (requires KCL extraction) 16.00 WSPTP S-3.50
Nitrogen- Nitrate 17.00 WSPTP S-1C
Nitrogen-TKN 21.00 WSPTP S-9.10
Nitrogen-Organic 34.00 USDA/ASA
Percent Organic Matter 32.00 WSPTP S-9.10
pH (paste) 12.00 WSPTP
Phosphate-Extractable 32.00 WSPTP
Phosphate-Total 18.00 WSPTP S-4.10
Saturated Paste Extraction 21.00 AH 60
Saturation Percentage 21.00 WSPTP S-1.00
Soil Moisture 12.00 Calculation
Sodium 15.00 WSPTP S-1.60
Sodium Absorption Ratio (SAR-Mg, Ca, Na) 45.00 WSPTP S-1.60
        – Requires Sat Paste 21.00
Sulfate 16.00 WSPTP S-1.70
Texture 45.00 USDA/ASA
· Most soil analyses are standard procedures from Western
States Laboratory Proficiency Testing Program