Soil sampling requirements in Mississippi

Q: How often do you need to soil sample in Mississippi?

Mississippi State University Extension soil testing advice (official guidance): Each field once every 3 years or once per crop rotation.

Q: When in the year should soil be sampled in Mississippi?

Mississippi State University Extension soil testing advice (official guidance): Spring plantings: late October to January. Fall plantings: May to early August.

Q: How deep should soil samples be taken in Mississippi?

Mississippi State University Extension soil testing advice (official guidance): Cropland: plow depth or another constant depth, generally 6 inches. Pastures and lawns: 4 to 6 inches.

Q: How many cores go into one soil sample in Mississippi?

Mississippi State University Extension soil testing advice (official guidance): At least 15 to 20 cores. 30 or more if the soil was limed or broadcast-fertilized in the last 2 years.

State guidance: Mississippi State University Extension soil testing advice.

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

How often do you need to soil sample in Mississippi?

Mississippi State University Extension soil testing advice Official guidance Each field once every 3 years or once per crop rotation.

When in the year should soil be sampled in Mississippi?

Mississippi State University Extension soil testing advice Official guidance Spring plantings: late October to January. Fall plantings: May to early August.

How deep should soil samples be taken in Mississippi?

Mississippi State University Extension soil testing advice Official guidance Cropland: plow depth or another constant depth, generally 6 inches. Pastures and lawns: 4 to 6 inches.

How many cores go into one soil sample in Mississippi?

Mississippi State University Extension soil testing advice Official guidance At least 15 to 20 cores. 30 or more if the soil was limed or broadcast-fertilized in the last 2 years.

Soil sampling rules in Mississippi, with the exact wording of each source
Country / region	Purpose / programme	Time / frequency	Area per sample	Method	Depth	Cores	Status and source
United States
MississippiUnited StatesMississippi only. Other states set their own rules.	Routine soil fertility samplingMississippi State University Extension soil testing advice	Repeat Each field once every 3 years or once per crop rotation Season Spring plantings: late October to January. Fall plantings: May to early August.	Not specified	Divide fields into uniform areas using a soil map; cores at random in a zigzag pattern; row crops between the rows.	Cropland: plow depth or another constant depth, generally 6 inches. Pastures and lawns: 4 to 6 inches.	At least 15 to 20 cores. 30 or more if the soil was limed or broadcast-fertilized in the last 2 years.	Official guidanceMSU Extension Publication 3858, Soil Testing for the Farmer (PDF)
Who it applies to, the exact wording and every source Who it applies to Advice for Mississippi fields from Mississippi State University Extension. Not law. Field identifiers Label each sample (at most five characters) and keep a map of the areas sampled. In force from Under review Legal text Mississippi State University Extension Publication 3858, Soil Testing for the Farmer (POD-07-26) The wording in the source Timing Test each field once every 3 years or once per crop rotation. P3858, How Often and When to Test For fall plantings, take samples in May, June, July, and early August. For spring plantings, collect the samples the latter part of October, November, December, and January. P3858, How Often and When to Test Method Gather cores at random in a zigzag pattern over the area involved. P3858, Get a composite sample, 3b Sample a row-crop field between the rows, thus avoiding fertilizer band areas. P3858, How to Take Good Samples, 2d Using a soil map, sample the soils in a field; sample separately the light- and dark-colored soils and recently limed and unlimed areas (see map next page). P3858, How to Take Good Samples, 2a Divide fields into uniform areas. P3858, step 4 Depth Sample cropland to plow depth or another constant depth, depending on crop and tillage practices. Generally, a 6-inch depth is recommended. P3858, How to Take Good Samples, 2b Sample pastures and lawns to a 4- to 6-inch depth. P3858, How to Take Good Samples, 2c Cores To get a representative soil sample, gather at least 15 to 20 cores. If the tilled soil has been limed or fertilized by broadcasting in the last 2 years, take 30 or more individual cores, depending on soil variability or unknown locations of fertilizer bands. P3858, Get a composite sample, 3a Field identifiers Label carefully to ensure identification (maximum of five digits or characters). P3858, Process the soil sample, 5d Prepare a map or sketch of your farm or field layout, showing areas sampled. P3858, Process the soil sample, 5d Sources MSU Extension Publication 3858, Soil Testing for the Farmer (PDF) Guidance 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.

Products

AI Reasoning Assistant NEW

Automated Yield Report NEW

Management Zones & VRA Maps

Crop Monitoring

Topography analytics

3D Maps

Scouting

Soil data analytics

Farm View: Field Benchmarking NEW

As-Applied & As-Planted Data

Yield Data

BY ROLE

For Growers

For Ag Consultants & Service Companies

For Cooperatives & AgriHoldings

For Ag Input Producers & Dealers

For Ag Equipment Producers & Dealers

For AgTech Companies

For Science and Education

BY USE-CASE

Carbon Farming

Biodiversity

Products

By Role

By Use-case

Precision Agriculture API

GeoPard MCP

White Label Solutions

Widgets

MyJohndeere Ops Center Connected

Blog

One Pager Pdf

Sustainability

Distributors & Partners

Documentation

Tutorial - Web

Tutorial - Mobile

Data Compatibility

About Us

API documentation

Product Releases

Newsletters

Newsletters

Soil sampling requirements in Mississippi

Soil sampling requirements in Mississippi

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

How often do you need to soil sample in Mississippi?

When in the year should soil be sampled in Mississippi?

How deep should soil samples be taken in Mississippi?

How many cores go into one soil sample in Mississippi?

The wording in the source

Timing

Method

Depth

Cores

Field identifiers

Sources

Plan the points to the rule that applies

Service without extra costs

Get Demo