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Johnson County

Research-based Information You Can Trust — Localized for your needs

Johnson County
11811 S. Sunset Drive
Suite 1500
Olathe, KS 66061

Office Hours:

Make an appointment, before coming into the office.

Monday - Friday,
8:30 a.m. - 5 p.m.

(913) 715-7000
(913) 715-7005 fax
jo@listserv.ksu.edu

Map to our office

K-State Research and Extension is committed to making its services, activities and programs accessible to all participants. Reasonable accommodations for persons with disabilities may be requested by contacting Johnson County Extension at (913)715-7000. Notify staff of accommodation needs as early as possible.

Kansas State University Agricultural Experiment Station and Cooperative Extension Service

K-State Research and Extension is an equal opportunity provider and employer.

Forage Testing

Agricultural Forage testing

Forage testing can be a valuable tool for producers and livestock owners. Whether you have an animal that needs certain dietary components or just want to make sure your herd is consuming the optimal amounts during the winter season, testing enables you to take the guesswork out of the nutritional values and know how much protein and energy is in your forage.

You can select a variety of nutrient or nitrate packages or single element tests from the lab. Check out their available tests at the links below. Additional tests can also be custom ordered; contact your local K-State Agriculture Agent for assistance.

Forage Sampling Procedures

Fit a forage probe on the end of a cordless drill to take core samples out of small square or big round bale. After you’ve taken several samples, mix them together in a bucket. From the mixture, pull out enough hay to a quart sized bag, and send it to a testing lab. For more information, check out K-State’s publication on Forage Sampling Procedures and Equipment.

Testing Labs in Kansas

K-State Lab

Follow sampling procedures, fill out sample form from website and mail to lab. K-State Soil Testing Laboratory requests plant samples be submitted in paper bags.

Mail your K-State Lab samples to:

Soil Testing Laboratory
2308 Throckmorton Plant Sciences Center
1712 Claflin Rd
Manhattan, KS 66506
 

SDK Labs

Follow sampling procedures, fill out sample form from website and mail to lab. SDK Labs requests samples be submitted in plastic bags.

Mail your SDK Labs samples to:

SDK Laboratories, Inc.
1000 Corey Road
Hutchinson, KS  67501

 

If you need assistance selecting the correct forage analysis or getting your samples mailed, contact our office and we would be happy to assist you. We also have a hay probe available for sampling.

*These resources are listed for informational purposes only. It does not imply endorsement or recommendation of companies or services by either K-State Research and Extension or Johnson County K-State Research and Extension.

Contact Us

Juju Wellemeyer 
Natural Resources and Mid/Small Scale Agriculture Agent juju.wellemeyer@jocogov.org

913-715-7000