Agriculture & Natural Resources

UD Soil Testing Program

SPECIAL ANNOUNCEMENT :  WE ARE MOVING!!!

The Soil Testing Program Laboratory will be relocating to temporary space in preparation for the renovation of UD’s Worrilow Hall which is scheduled to begin on July 1, 2019. Due to the move,  we will be putting most laboratory operations on hold beginning Monday, June 10th to allow staff to pack up the lab and equipment as our physical move is planned for the following week.  We hope to be back up in operation by July 8th, depending upon the required approvals and permits.  Updates will be posted here as they become available

During the move and set up phase, some equipment will be installed on a temporary basis in space in the UD Fischer Greenhouse so that we can continue offering  limited testing during that time (e.g., PSNT tests, pH, soluble salts and a few other tests). However,  since  none of our equipment requiring special power or ventilation can be set up there,  full routine soil tests for recommendations cannot be completed until we are in our new space.
 Important Information for You, Our Client:
  1. All soil samples received through Wednesday of this week (6/5) for routine analysis will be processed before we close. Samples received Thursday or Friday will be processed if possible, depending upon how fast we can dry them.
  2. Samples received after this week will be analyzed as soon as possible, but we cannot give an estimated turn-around at this point.
  3. If you have questions about  specific tests, please call our office at 302-831-1392 or email us at soiltest@udel.edu to see if something can be run — Some tests might be possible while others may not.
  4. The program office will be open as usual during this time.
  5. On-line,  phone and in-person orders for kits will continue to be accepted as usual.
  6. The mailing address for samples will continue to be the same as it has always been. The lab is just moving to the modular space across South College Ave and samples will be delivered there each day.
Thank you for your patience and understanding during this transition.
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Providing accurate analyses and unbiased interpretations to clients since 1947.
  • The UD Soil Testing Program provides a variety of soil testing and educational support to farmers, homeowners and others engaged in soil management and land use. The program is offered as a public service of the College of Agriculture and Natural Resources and the Department of Plant and Soil Sciences.

  • Analyses are provided on a “Fee for Service” basis

  • Additional analytical services are available to meet the needs of researchers both within and outside of the University community. Information on additional analytical services can be found on the General Program Information page.

  • Soil fertility methods offered are appropriate for soils in the Mid-Atlantic and Southeastern United States – Delaware, Maryland, Pennsylvania, New Jersey, Virginia, District of Columbia, West Virginia, North Carolina, South Carolina, and Georgia.

Why Soil Test?

Soil testing provides useful information to help people manage their land. A farmer or home gardener might have his/her soil tested to determine how much lime or fertilizer is needed to grow plants and/or avoid over-applying nutrient sources like manure. Parents might test the soil in their yard to see if hazardous amounts of lead or arsenic are present before installing a backyard playset for their children, or before beginning a new vegetable garden. Archeologists use soil testing to learn about past land use at historical sites. Scientists test soil to monitor the effects of new management practices on soil properties and environmental conditions.