Central Analytical Laboratory

Soil Test Price List

pH $3.00
Phosphorus Bray $7.50
Phosphorus Olsan $9.00

Extractable Bases (Ca, Mg, K, or Na)

Only 1 element
2 elements

$23.00

$8.00
$14.00

Organic matter

    Loss on ignition
    Walkley-Black

$11.00
$25.00
Boron $10.00
Total Kjeldahl Nitrogen (TKN) Minimum 6 samples* $15.00
Total Phosphorus (TP) Minimum 6 samples* $15.00
TP + TKN Minimum 6 samples* $18.00
Nitrate nitrogen (NO3-N) $7.50
Ammonium nitrogen (NH4-N) $7.50
Nitrate nitrogen and ammonium nitrogen $12.00
Cation Exchange Capacity (CEC) $18.00
Conductivity (Soluble Salts) $7.50

Heavy Metals (DTPA Extraction for Zn, Mn, Fe, or Cu)

Only 1 element
2 elements

$23.00

$8.00
$14.00

Anion Analysis: Sulfate-sulfur (SO4-S) Minimum 6 samples* $17.00
Lime requirement $4.00
Incubation nitrogen $16.50
Carbon and nitrogen by CNS instrument $13.50
Carbon, nitrogen and sulfur by CNS instrument $16.50
Setup fee for matrices outside normal procedures $75.00
Rush fee $75.00

*Additional setup fee may apply for fewer than 6 samples

Soil testing procedures will vary from region to region. Please contact the laboratory if you have questions on specific procedures used in the Central Analytical Laboratory.