Lab Services

/Lab Services
Lab Services2017-07-25T14:02:38+00:00

Soil Testing Programs

United Soils, Inc. offers several testing packages to meet specific needs. USI can test for the following Grid sizes:

1.1 / 2.5 / 3.3 / 4.4 / 5.0 / 6.6 / 10 / Perimeters Only

Reference the list below to see available packages:

Test # S1: pH, P1, K, OM
Test # S1C2: Test # 1 + every 5th sample is a Test # 2
Test # S2: Test # 1 + Buffer pH, Ca, Mg, CEC & % base saturation

Packages include: Field Sampling & Lab Analysis. Colored computer maps available upon request (w/associated fee).

Other tests / grids available upon request.

Consult your regional salesperson regarding pricing.

Our Lab

USI offers a full-functioning analysis lab with the means to test the following soil attributes:

  • pH
  • Phosphorus
  • Calcium
  • Micronutrients
  • Buffer pH
  • Potassium
  • Magnesium
  • Soil Organic Matter

From check-in to final analysis, we control every aspect of a customer order to assure prompt and accurate results.

For internal quality checks, our lab technicians place a series of soil standards before and within a group of samples to be analyzed each day. This allows data evaluation before and during each soil analysis.

Soil is scooped for extraction using procedures as defined in the Recommended Chemical Soil Test Procedures for the North Central Region.

United Soils invests in state-of-the-art analysis equipment to assure the most advanced and accurate results possible.

Click on each thumbnail image to open the photo.

Tissue Testing Programs

United Soils, Inc. has expanded its services to include tissue / plant analysis. Reference the list below to see available packages:

PT1: Mineral Package
Phosphorus, Potassium, Magnesium, Calcium, Sulfur, Iron, Manganese, Boron, Copper, Zinc

PT2: Nitrogen (total) + Mineral Package (PT1)
Individual Analysis

PT3: Total Nitrogen

PT4: Individual Analysis: Per Element (from Mineral Package)

PT5: Stalk Nitrate – Nitrogen

Maintaining High Standards

To assure quality assurance, USI participates in the Agricultural Laboratory Proficiency & North America Proficiency Testing programs.

The Agricultural Laboratory Proficiency (ALP) program provides lab proficiency services to ISTA-member soil testing labs. The program is based on three proficiency cycles per year, collecting & reporting data for the majority of the industry’s testing and analytical methods.

United Soils once again finished at the top of the testing class, with values that tracked near or precisely to the ideal median line.

Call or email us to request a copy of the testing results.