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Harris County
海角官方首页 Extension Office

Testing Services

Our Mission
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The mission of the Agricultural and Environmental Services Laboratories (AESL) is to provide objective analytical services to agricultural producers, consumers, and agribusinesses. These services, combined with unbiased interpretations and recommendations, contribute to a competitive agriculture, a healthy environment, and an improved quality of life. As a unit of the Cooperative Extension Service within the College of Agricultural and Environmental Sciences, the AESL achieves its mission primarily through the support of County Extension Agents and other faculty members who are engaged in research and outreach activities. Our work is accomplished using state-of-the-art methodology and technology employed by a skilled staff dedicated to excellence.
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We provide testing for:
  • Soil analysis
  • Plant tissue analysis
  • Water quality
  • Animal Waste
  • Feeds and forages
  • Biosolids
  • Microbiology
  • Trace analysis
  • Hazardous waste
  • Special analysis
  • Waste water
  • … and more


Whether you'd like to increase your crop yield, grow healthier roses, test the quality of your drinking water, or make sure your creek isn't polluted, we can help.


Soil Testing

Soil Testing will help you develop and maintain a more productive garden by providing information about the fertility status of your soil.
Information from a soil test will help you select the proper liming and fertilization program to obtain the optimum growth of lawn, garden, ornamental and agronomic plants. With the growing prices of fertilizer and soil amendments, a soil test is a relatively cheap option that could potentially save you a lot of money.


Soil and Water Testing Services


Routine Soil Test: $10.00 per sample (includes postage)
Includes PH, Lime Requirement, Phosphorus, Potassium, Calcium, Magnesium, Zinc, and Manganese. At least a pint of soil is needed per soil sample to be tested. The lab cannot process samples that are less than a pint. Be sure to pull the soil sample from several spots at random to get a good representative sample. You may bring samples in a pint-size plastic freezer bag (filled full) if you don't have a soil sample bag. Please follow the procedures for collecting soil samples below.


View the soil testing brochure for proper sampling instructions.


FEATURED WATER TEST

W1 - Basic Water Test $24.00 total w/ shipping included
pH, Hardness, P, K, Ca, Al, B, Cr, Cu, Fe, Mg, Mn, Mo, Ni, SiO2, Na, Zn (Minimum Sample Amt.: 125mL)?

W2 - GA. Expanded Water Test $64.00 total w/ shipping
(Required for water treatment design) W1-Basic, W3-Anions, W11-Soluble Salts, & W18-Alkalinity (Need 16 oz. /500 mL)?

W6 - Nitrate-N Test $16.00 total w/ shipping
(NO3-N) (Cd reduction colorimetric) (Minimum Sample Amt.: 125mL)?


Water samples for submission to the laboratories vary as to the type of container and volume appropriate for different tests. If water is initially sampled in the correct container, much time can be saved.

Please use appropriate sampling containers for water testing for Home Loan Closing (W33B) and Total Coliform / E. coli tests (W35).

Sampling containers for all other water tests are available at Harris County Extension Office 121 N. Old College Street, Hamilton Ga. 31811 (706) 628-4824

Many of the chemical parameters are time sensitive, which means that there is a specified amount of time that the sample can be held before testing procedures must begin.?

Take a look at the

?Testing for Water Quality Publication.





Due to circumstances beyond our control, Clients are now solely responsible for the delivery of the W33B Home Loan Test Kit and W35 Drinking Water Coliform/ E.Coli test.

*Customers may pick up the W33B - Home Loan Closing Kit ($85) and W35 - Total Coliform / E. coli test kit ($36) at the Harris County Extension Office, 121 N. Old College Street, Hamilton,? Ga. 31811


Samples must be received by the laboratory for analysis within 24 hours of the collection time.
Therefore, collect and ship samples on the same day.


Home Garden Publications available here?


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Expert Resources

  • Comparing Early-Maturing Satsumas to ‘Owari’ in Southern Georgia
    Posted by Jacob Price, Mary Sutton, Joshua Dawson, Jacob Kalina on Aug 29, 2025
    Satsumas are one of the most cold-hardy of all citrus and very adaptable to Georgia, but very little is known about growing citrus in Georgia. Commercial growers and residents often ask which early-maturing varieties are best to grow, so we evaluated juice from 12 early-maturing satsuma varieties. The varieties with the highest Brix content and best peel color are listed in this resource.
  • Evaluating Horse Conformation
    Posted by Kylee Duberstein on Aug 21, 2025
    When examining horses for conformation, either when considering a purchase or competing in horse judging contests, it is important to break things down into key principles to avoid becoming overwhelmed when putting the overall picture together. There are five main criteria to evaluate when examining a horse’s conformation: balance, structural correctness, way of going, muscling, and breed/sex character (also known as type). This publication describes each of these criteria in detail.
  • Three Must-Have Emergency Kits to Pack Before a Hurricane or Flood
    Posted by Elizabeth Weigle on Aug 11, 2025
    This guide helps Georgia residents at risk of flooding to collect and organize essential items into three bags to prepare your household for water-related disasters like hurricanes.