NewOctober 2026 release: John Deere sync redesign, rate min and max limits, yield report zones

Soil sampling requirements in Kansas

Soil sampling requirements in Kansas

State guidance: K-State Research and Extension, Soil Testing Laboratory sampling advice.

Soil sampling in Kansas: frequency, area, depth and cores

How often do you need to soil sample in Kansas?

When in the year should soil be sampled in Kansas?

How deep should soil samples be taken in Kansas?

How many cores go into one soil sample in Kansas?

Soil sampling rules in Kansas, with the exact wording of each source
Country / region Purpose / programme Time / frequency Area per sample Method Depth Cores Status and source
United States
KansasUnited StatesKansas only. Other states set their own rules.Routine soil fertility samplingK-State Research and Extension, Soil Testing Laboratory sampling advice
  • Repeat Row crops: immobile nutrients every 2 to 4 years, at a consistent time in the rotation. Permanent sod: every 2 to 4 years. Mobile nutrients: before responsive crops.
  • Season Row crops and sod: fall or spring. Nitrate, chloride and sulfur profile: late fall or early spring.
Not specifiedDivide each field into uniform areas of the same soil texture, colour, slope, and fertilization and cropping history; sample each area.Row crops 0 to 6 inches. Permanent sod 0 to 4 inches. Nitrogen, chloride or sulfur tests 0 to 24 inches.10 to 15 cores or slices per areaOfficial guidanceK-State Research and Extension MF734, Soil Testing Laboratory (PDF)
Who it applies to, the exact wording and every source
Who it applies to
Advice for Kansas fields from K-State Research and Extension. Not law.
Field identifiers
Label the container clearly and record the sample identification on the container and the information sheet.
In force from
Under review
Legal text
K-State Research and Extension MF734, Soil Testing Laboratory (June 2016)

The wording in the source

Timing

Method

  • Draw a map of the sample area on the information sheet and divide your fields into uniform areas. Each area should have the same soil texture, color, slope, and fertilization and cropping history.

    MF734, Soil Sample Collection, step 2

Depth

  • Row crops should be sampled at 6 inches deep and permanent sod at 4 inches. For available nitrogen, chloride, or sulfur tests, a 24-inch sample is necessary.

    MF734, Soil Sample Collection, step 3

Cores

Field identifiers

Sources

Sources re-checked every two months, last update October 2026. Reviewed by GeoPard editorial team.

United States: federal rules and every other state

Soil sampling regulations in every country

Report an outdated requirement: info@geopard.tech

Plan the points to the rule that applies

Set the area per sample, the cores and the depth your rule asks for. GeoPard places the points on a grid or by zone, routes the walk, prints the labels and takes the plan to the field on a phone.

Create a sampling plan See the Soil Sampling Planner

A planning reference built from official sources, not legal advice. Rules apply by jurisdiction, nutrient, land use and programme: check the current official text and your laboratory’s instructions before fieldwork.

wpChatIcon
wpChatIcon

    Request Free GeoPard Demo / Consultation








    By clicking the button you agree our Privacy Policy. We need it to reply to your request.

      Subscribe


      By clicking the button you agree our Privacy Policy

        Send us information


        By clicking the button you agree our Privacy Policy

        We use cookies to provide you with the best browsing experience, personalise content of our site, analyse its traffic and show you relevant ads.
        See our privacy policy for more information.

        Accept all