2024 Certified Manure Testing Laboratories

Manure analysis is strongly recommended to help farmers know the value of manure applied to their crops in place of commercial fertilizer. Using manure in place of commercial fertilizer often results in increased crop yields, but accurate analysis of the manure is crucial.

The following laboratories, arranged by state or province, are certified by the Minnesota Department of Agriculture for manure testing. To find out more information about the laboratory, including the types of tests it is certified to run, click on the laboratory's name.

This is the only manure analysis certification of laboratories in North America. All of the laboratories have been certified for Total Nitrogen and Total Phosphorus. Many laboratories also elected to become certified for other tests including: Total Potassium, Total Solids, Electrical Conductivity, Copper, Sulfur, and Zinc. Make sure the laboratory you use is certified for the tests that are important to your farming operation.

Before submitting samples, please contact the laboratory for instructions. Many laboratories provide sample containers.

Frequently Asked Questions About the Manure Testing Laboratory Certification Program

NAME

CITY

STATE

UNIVERSITY OF ARKANSAS

FAYETTEVILLE

AR

DAIRYLAND LAB INC DBA VALLEY TECH AGRICULTURAL LABORATORY

TULARE

CA

DENELE ANALYTICAL INC DBA DENELE AGRICULTURAL LABORATORIES

TURLOCK

CA

JMLORD INC

FRESNO

CA

AGROLAB INC

HARRINGTON

DE

DELAWARE DEPARTMENT OF AGRICULTURE

DOVER

DE

UNIVERSITY OF GEORGIA

ATHENS

GA

WATERS AGRICULTURAL LABORATORIES INC

CAMILLA

GA

AGSOURCE COOPERATIVE SERVICES DBA AGSOURCE LABORATORIES

ELLSWORTH

IA

FOUNDATION ANALYTICAL LABORATORY INC

CHEROKEE

IA

WAYPOINT ANALYTICAL IOWA INC

ATLANTIC

IA

STUKENHOLTZ LABORATORY INC

TWIN FALLS

ID

A & L GREAT LAKES LABORATORIES INC

FORT WAYNE

IN

SURE TECH LABORATORIES

INDIANAPOLIS

IN

SERVI TECH INC DBA SERVI TECH LABS

DODGE CITY

KS

WATERS AGRICULTURAL LABORATORIES INC

OWENSBORO

KY

AG RESOURCE CONSULTING INC

ALBANY

MN

AGVISE LABORATORIES INC

BENSON

MN

MINNESOTA DHIA LABORATORIES

SAUK CENTRE

MN

MINNESOTA VALLEY TESTING LABORATORIES INC

NEW ULM

MN

CUSTOM LABORATORY INC

MONETT

MO

PERRY AGRICULTURAL LABORATORY INC

BOWLING GREEN

MO

UNIVERSITY OF MISSOURI

COLUMBIA

MO

WATERS AGRICULTURAL LABORATORIES INC

VICKSBURG

MS

NORTH CAROLINA DEPT OF AGRICULTURE

RALEIGH

NC

WATERS AGRICULTURAL LABORATORIES INC

WARSAW

NC

AGVISE LABORATORIES INC

NORTHWOOD

ND

AMERICAN AGRICULTURAL LABORATORY INC

MC COOK

NE

MIDWEST LABORATORIES INC

OMAHA

NE

SERVI TECH INC DBA SERVI TECH LABS

HASTINGS

NE

WARD LABORATORIES INC

KEARNEY

NE

DAIRY ONE COOPERATIVE INC

ITHACA

NY

BROOKSIDE LABORATORIES INC

NEW BREMEN

OH

OKLAHOMA STATE UNIVERSITY

STILLWATER

OK

STRATFORD AGRI ANALYSIS INC

STRATFORD

ON

UNIVERSITY OF GUELPH

GUELPH

ON

CUMBERLAND VALLEY ANALYTICAL SERVICES INCORPORATED

WAYNESBORO

PA

PENNSYLVANIA STATE UNIVERSITY DBA AGRICULTURAL ANALYTICAL SERVICES LABORATORY

UNIVERSITY PARK

PA

WAYPOINT ANALYTICAL PENNSYLVANIA INC

LEOLA

PA

PRINCE EDWARD ISLAND ANALYTICAL LABORATORY

CHARLOTTETOWN

PE

CLEMSON UNIVERSITY

CLEMSON

SC

SERVI TECH INC DBA SERVI TECH LABS

AMARILLO

TX

UTAH STATE UNIVERSITY

LOGAN

UT

BEST TEST ANALYTICAL SERVICES LLC

MOSES LAKE

WA

SOILTEST FARM CONSULTANTS INC

MOSES LAKE

WA

AGSOURCE COOPERATIVE SERVICES DBA AGSOURCE LABORATORIES

BONDUEL

WI

ROCK RIVER LABORATORY INC

WATERTOWN

WI

STATE OF WEST VIRGINIA DBA DEPARTMENT OF AGRICULTURE

MOOREFIELD

WV


MDA Contact

Larry Gunderson
Larry.Gunderson@state.mn.us
651-201-6168
Pesticide & Fertilizer Management Division