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Delaware Department of
Agriculture

Sample Analysis



Laboratory Analysis


The Agriculture Compliance Laboratory analyzes samples within our testing capabilities upon request by the general public. The Laboratory is capable of analyzing feed, fertilizer, lime, and manure samples. To see a list of available tests, view the sample submission form below. There is no testing fee for Delaware residents, but there is a fee per sample for non-Delaware residents.

New/Updated Non Delaware Resident Lab Test Fees:

  • Total Nitrogen (N), Total Phosphate (P205), and Soluble Potash (K20) – $25.00
  • Ammoniacal Nitrogen – $10.00
  • Total Moisture and Dry Matter – $10.00

Please bring a completed sample form when delivering your sample to the lab:

2310 S. DuPont Highway Dover, DE 19901

General Sample Submission Form

 

“The laboratory does not analyze soil samples. For soil sample analysis, we recommend the laboratories below:”

The UD Soil Testing Program
152 Townsend Hall
531 S College Ave
Newark, DE 19716
302-831-1392
soiltest@udel.edu
https://www.udel.edu/canr/cooperative-extension/environmental-stewardship/soil-testing/

Agrolab
101 Clukey Dr.
Harrington, DE 19952
302-566-6094
admin@agrolab.us
https://www.agrolab.us/

 

Manure Analysis Certification


The Laboratory is a certified manure testing laboratory through the Manure Analysis Proficiency (MAP) Program. The laboratory has endorsements through the program for the following tests on manure samples:

  • Ammonium
  • Nitrogen
  • Calcium
  • Copper
  • Magnesium
  • Nitrogen by Combustion
  • Phosphorus
  • Potassium
  • Sodium
  • Sulfur
  • Total Kjeldahl Nitrogen
  • Total Solids
  • Zinc

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