Resources

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Call the Laboratories at 800.557.7509 for information on testing packages and discounts based on sample volume.

Test Packages

N & P Test

Nitrate-nitrogen, phosphorus

Eastern Cornbelt Test

Phosphorus, Potassium, Soil pH, Buffer pH

Small Grain Test

(Suggested for small grains, pasture & range grasses)
Nitrate-nitrogen, Phosphorus, Potassium, Soil pH, Buffer pH

Basic Test

(Suggested for small grains & grasses, especially when herbicides are used)
Nitrate-nitrogen, Phosphorus, Potassium, Organic matter, Soil pH, Buffer pH

Forage Legume Test

(Suggested for alfalfa & forage legumes)
Nitrate-nitrogen, Phosphorus, Potassium, Sulfur, Calcium, Magnesium, Sodium, Organic matter, Soil pH, Buffer pH, Soluble salts, Cation exchange capacity, Base saturation %

General Test

(Suggested for general field crops)
Nitrate-nitrogen, Phosphorus, Potassium, Zinc, Organic matter, Soil pH, Buffer pH

Row Crop Test

(Suggested for field crops, especially with sandy soil or irrigation)
Nitrate-nitrogen, Phosphorus, Potassium, Sulfur, Calcium, Magnesium, Sodium, Zinc, Organic matter, Soil pH, Buffer pH, Soluble salts, Cation exchange capacity, Base saturation %

Complete Test

(Suggested for all field crops when diagnosing problems)
Nitrate-nitrogen, Phosphorus, Potassium, Sulfur, Calcium, Magnesium, Sodium, Zinc, Iron, Manganese, Copper, Organic matter, Soil pH, Buffer pH, Soluble salts, Cation exchange capacity, Base saturation %

Lawn & Garden Soil Analysis
Golf Course and Athletic Turf Analysis

(Fertilizer recommendations given in lbs. per 1,000 sq. ft.)
Nitrate-nitrogen, Phosphorus, Potassium, Sulfur, Calcium, Magnesium, Sodium, Zinc, Iron, Manganese, Copper, Organic matter, Soil pH, Buffer pH, Soluble salts, Cation exchange capacity, Base saturation %

Complete Saturated Media Extract Test

(Suggested for nursery and greenhouse media mixes) (Requires 1 gallon sample in plastic bag)
Nitrate-nitrogen, Ammonium-nitrogen, Phosphorus, Potassium, Sulfur, Zinc, Iron, Manganese, Copper, Boron, Molybdenum, Calcium, Magnesium, Sodium, Chloride, Soil pH, Soluble salts, Graphic interpretations

Soil Salinity Appraisal

(Suggested for saline/sodic soil reclamation)
Exchangeable cations: Potassium, Calcium, Magnesium, Sodium
Extractable: Calcium, Magnesium, Sodium, Potassium, Bicarbonate, Chloride, Sulfur, Boron
Soil pH (1:1), Soil pH (sat. paste), Soluble salts, Extractable salts (ECe), Sodium adsorption ration (SAR), Gypsum recommendations and interpretations

Individual Tests

Aluminum, exchangeable (1M KCl)

Boron (Hot water)

Cation exchange capacity (summation)

Chloride (mercury thiocyanate)

Ece and SAR (includes Ca, Mg and Na)

Exchangeable cations (NH4OAc, pH 7.0)

Potassium, Calcium, Magnesium, Sodium, and Sulfur

Mehlich 3 extraction-ICP analysis

Phosphorus, Potassium, Calcium, Magnesium, Sodium,Sulfur, Zinc, Iron, Manganese, Copper

Nitrogen

Nitrate
Ammonium
Nitrate & Ammonium
Total (LECO combustion)

Organic matter, LOI

Particle size analysis (by hydrometer)

(% sand, % silt, % clay, USDA soil texture)

pH, Buffer pH, and Soluble salts (with lime recommendations)

Phosphorus

Mehlich 3, Bray I, or Sodium Bicarbonate

Sand grain size

Zinc, Iron, Manganese, Copper (CaCl2-DTPA)

Grid Sampling and Analysis Packages

Customized grid sample packages are available upon request.
Contact the lab for more information on soil sampling, analysis, and mapping services.
To qualify for grid pricing, a minimum of 10 samples per field, and samples bags numbered consecutively.