Overview

The Soil Nutrient Analysis Lab is directed by Dr. Morris and managed by Dawn Pettinelli. The primary purpose of the laboratory is to provide lime and fertilizer recommendations for commercial agriculturalists and home owners. We also analyze research samples for scientists in the Department of Plant Science and the Department of Natural Resources. The laboratory analyzes about 17,000 soil samples annually. Samples are tested for available calcium, magnesium, phosphorus, potassium, and pH. Special tests are also performed for greenhouse and nursery growers in the state. The analytical procedures at the laboratory are digitized for direct input into computers.

UConn's Soil Nutrient Analysis Laboratory will analyze your soil samples for plant nutrients and make lime and fertilizer recommendations appropriate to crop needs. Recommendations are based on University research and field studies. Applying the correct amounts of lime and fertilizer as determined by a soil test will result in healthier, more productive plants. Overfertilizing or overliming wastes both time and money, causes plants to perform poorly and, in the case of excessive fertilizer use, can negatively impact our environment including our groundwater supplies.

In addition to routine soil fertility testing, the Soil Nutrient Analysis Laboratory also offers commercial agronomic and commercial vegetable growers the Presidedress Soil Nitrate Test (PSNT). From June 1st through July 15th, soil samples collected in a specified manner are analyzed for nitrate-nitrogen, and results plus suggested nitrogen fertilizer recommendations are returned to the grower within 24 hours. As a companion to the PSNT, our laboratory performs the End-of-Season Cornstalk Nitrate Test after harvest. This test enables growers to distinguish between optimal and excess applications of nitrogen.

Don't Guess --- Soil Test!

Having your soil tested every 3 years is recommended. Once in our hands, the analysis usually takes about 3 to 5 working days. Below are web links to our other web pages that give you detailed instructions on how to collect your soil samples. Do not forget to also fill out the questionnaire so that we know exactly what the recommendation is for (this is because different crops have different requirements). Mail us your soil samples, the completed appropriate questionnaire, plus your payment to:

Soil Nutrient Analysis Laboratory
6 Sherman Place, U-102
University of Connecticut
Storrs, CT 06269-5102

If you prefer, prepaid soil sample kits which include a questionnaire, plastic bag and mailing envelop can be purchased at the Soil Testing Laboratory (see address above), the Home & Garden Education Center, or your local Cooperative Extension office.

  • Fee Schedule for Soil Samples:
    • Review this form so that you know exactly how much money
    to include with your soil samples.
  • Soil Sampling Instructions:
    • This web site details how to obtain and handle your representative soil samples.

    Select and get a hardcopy of one of the following questionnaires based on your particular needs. You must include this questionnaire with the soil sample(s) that you send us.

  • Soil Sample Questionnaire for Home Grounds
  • Soil Sample Questionnaire for Commercial Growers
  • Soil Sample Questionnaire for Commercial Vegetable Growers
  • Soil Sample Questionnaire for Greenhouse Growers

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    Last update: 25 April 2001
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