University of Maryland Extension

Soil, Plant Tissue, Nematology & Grapevine Assay Testing

Collecting Soil Samples

Plant Tissue Samples

Nematology Assay Testing Laboratories

Laboratories - Virginia Tech will accept Maryland samples

Nematode Assay Laboratory

Virginia Tech
107 N. Kent Street
Winchester, VA 22601

Phone: 540-665-5699

Fax: 540-722-8380

For testing and submission procedures, contact:

Grapevine Diseases Assay Testing Laboratories

Testing laboratories that test grapevine leafroll, grapevine fanleaf, grapevine virus B, Pierce's disease, rupestris stem pitting virus, Red Blotch, etc.

Agri-Analysis LLC (mailing address)

P. O. Box 285
Davis, California 95616

Toll Free: 800-506-9852
Phone: (530) 757-4656
Fax: (530) 757-4655

Agri-Analysis LLC (sample delivery location)
Agri-Analysis LLC
950 West Chiles Road
Davis, California 95618

Phone: (800)506-9852
Fax: (530)757-4655

AL&L Crop Solutions

7769 N. Meridan Road
Vacaville, CA 95688

Phone: (530) 387-3270 

Eurofins BioDiagnostics

Sanger California Location:
Eurofins Agroscience Services Sanger California
328 North Bethel Ave. Sanger, CA 93657
Phone: 559-399-4510

Gilroy California Location:
7240 Holsclaw Road,
Gilroy, CA 95020
Phone: (888) 782-5220 or (408) 846-9964

Eurofins BioDiagnostics cont..

Jefferson Georgia Location:
Eurofins Agroscience Services Jefferson Georgia
1286 ZHwy 96 East
Jeffersonville, GA 31044
Phone: (478) 945-3139

Melbane North Carolina Location:
Cedar Grove Research Facility
8909 Atkins Road
Mebane, NC 27302
Phone: 336-562-5560

Sunburst Plant Disease Clinic
677 East Olive Avenue
Turlock, CA 95380

Phone: (209) 667-4442
Fax: (209) 667-4443

WSU ELISA Virus Testing Lab
24106 N. Bunn Road
Prosser, WA 99350

Phone: (509) 786-9230




  • Agricultural Nutrient Management Program
    The Agricultural Nutrient Management Program, which is funded by the Maryland Department of Agriculture (MDA), provides the following services: nutrient management plan development for Maryland farmers through a network of nutrient management advisors located in all 23 county Extension offices; and continuing education and technical support for certified nutrient management consultants and certified farm operators via state and regional nutrient management specialists.

  • Maryland Association of Soil Conservation Districts
    The Maryland Association of Soil Conservation Districts (MASCD) serves as the voice for Maryland's 24 soil and water conservation districts on state legislative issues. It also provides a forum for training, policy-making and the exchange of information at their annual and quarterly gatherings. MASCD's mission is to promote practical and effective soil, water, and related natural resources programs to all citizens through individual conservation districts on a voluntary basis through leadership, education, cooperation and local direction.

  • Soil Health: Soil Physical Properties (Web-Video)
    Soil health depends on the biological, physical and chemical properties of soil.  The video will talk about some of the physical properties of soil including organic matter, aggregate stability, water infiltration and compaction. By Penn State Extension

  • Web Soil Survey (WSS)
    WSS provides soil data and information produced by the National Cooperative Soil Survey. It is operated by the USDA Natural Resources Conservation Service (NRCS) and provides access to the largest natural resource information system in the world. NRCS has soil maps and data available online for more than 95 percent of the nation's counties and anticipates having 100 percent in the near future. The site is updated and maintained online as the single authoritative source of soil survey information.


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