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Agriculture and Construction Soil Test

Agriculture and Construction Soil Tests

For needs beyond typical home gardener, we have these tests.

Suggested Soil Tests

Routine Test   $25

Basic measurements for the vast majority of home gardening needs

Provides Phosphorus (P205) and Potassium (K2O) fertilizer recommendations

Provides Nitrogen (N) fertilizer recommendations tailored to plants the client indicates are to be grown (please provide this information on the submission form)

Provides soil salinity and pH levels useful in choosing appropriate plants for these important conditions in arid/semi-arid Western US environments

Provides a soil texture classification used to determine water holding capacity and irrigation regiment

Micro Plus Test  * $35

Starts out with all the features of the Routine Test

Includes key micronutrient levels that are often deficient in arid/semi-arid Western US soil conditions (Iron, Zinc, Copper and Manganese)

Provides recommendations for deficient nutrients tailored to the plants the client indicates are to be grown (please provide this information on the submission form)

* Choose this test if micronutrient deficiency symptoms are seen or suspected the previous season. Micronutrient fertilizer applications are most effective in the early spring--much less effective mid-season.

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How to collect your sample

Get The Sample

For standard topsoil, dig 6 to 12 inches deep. For turf samples, dig 6 inches deep. Samples need to be taken in several places.


Get Sample

Mix It

Mix soil samples in a clean bucket or container. If chunks remain in your sample, don't hesitate to break them apart.


Mixing Dirt

Keep Two Cups

Place two cups of soil into a quart-sized, heavy-duty resealable plastic bag in a small USPS mailing box. Include a completed order form. For credit card payment, include card info on the form, or include a check for your chosen test(s).

Keep Two Cups

Deliver

Payment - Be sure to include a completed form and payment with the delivery 

USUAL accepts checks, money orders, VISA, MASTERCARD, and DISCOVER. We will accept PO#'s from some businesses and government institutions. Payment is expected at sample submission. Failure to provide payment at sample submission will result in delay in sample processing.

Option 1: Parcel Delivery

You can send in your sample via the US Mail, UPS, FedEX, etc., send samples to:

USU Analytical Labs
1541 N 800 E
9400 Old Main Hill
Logan, UT 84322-9400

Send Sample In

Option 2: In Person

You can hand deliver your sample to the lab.
We are located at: 1541 N 800 E in North Logan.  Be sure to include a completed form and payment with the delivery.

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 Download Test Form