SOUTHEASTERN

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AGRICULTURAL LABORATORIES, INC. 

SOIL ANALYSES

Tests are typically complete within 48 hours of intake, excluding weekends.  Heavy traffic during peak season may delay results. We currently utilize both Mehlich 1 and Mehlich 3 extraction methods.  When filling out a submittal sheet, please indicate somewhere on the sheet that you would like Mehlich 3. Otherwise it will automatically be run as Mehlich 3 for Midwestern samples or Mehlich 1 for Southeastern samples.  We will soon be offering Bray, Ammonium Acetate, and Olsen extractions as well.  VOLUME DISCOUNTS CAN BE NEGOTIATED.  Please contact lab for those details.  


($8) Basic Soil Analysis: Mehlich 1 Extract

Phosphorus, Potassium, Magnesium, Calcium, Zinc, Copper, Manganese, Boron, Iron, soil pH, buffer pH, cation exchange capacity, % Base Saturation. Reports provided with recommendations based on crop yields. 


($10) Advanced Soil Analysis: Mehlich 1

($8) Advanced Soil Analysis:  Mehlich 3

Phosphorus, Potassium, Magnesium, Calcium, Zinc, Copper, Manganese, Boron, Iron, soil pH, buffer pH, Cation Exchange Capacity, % Base Saturation, PLUS SULFUR.  Reports provided with recommendations based on crop yields. 


($12) Complete Soil Analysis: Mehlich 1 Extract

($10) Complete Soil Analysis: Mehlich 3 Extract

Phosphorus, Potassium, Magnesium, Calcium, Zinc, Copper, Manganese, Boron, Iron, soil pH, buffer pH, Cation Exchange Capacity, % Base Saturation, PLUS SULFUR & % ORGANIC MATTER. Reports provided with recommendations based on crop yields.


($12) Bray-P1 Phosphorus Extraction (COMING SOON)

($2 + M3 fee**) Bray-P1 Phosphorus M3 conversion method (COMING SOON)

Research has shown that M3 is a more reliable test for phosphorus on higher pH soils than Bray; however, Bray is still used by many labs on lower pH soils in combination with the Olsen test for higher pH soils. We will soon offer this test option for those growers who prefer this method. We will also offer a conversion from M3 to Bray, Ammonium Acetate, or Olsen. 


($12) Ammonium Acetate Extractions for K, Ca, Mg (COMING SOON)

($2 + M3 fee**) Ammonium Acetate M3 conversion method (COMING SOON)

**An example would be a sample was analyzed as a M3 sample, but the grower wishes to view the sample with Bray 1 or Ammonium Acetate methods and recommendations.  The grower could log onto the customer portal and choose those methods and there would be a $2 charge for that change.  The lab software would convert the values from M3 to Bray or Ammonium Acetate methods and generated recommendations for those methods. 


($12) Olsen Test for Phosphorus (COMING SOON)

This test is often used on calcareous soil with pH values over 7.5. Research has shown that Mehlich 3 and Olsen Tests are both equally as accurate on high pH soils; however, many growers still prefer the Olsen test. We will soon be able to offer this testing method. 


($6) Pegging Zone Analysis

Calcium and potassium levels with ratios and recommendations for gypsum applications on peanuts. 


($16) Soil Texture Analysis
Hydrometer method used; reports include % sand, % silt, and % clay as well as where your soil fits on the Soil Texture Triangle.


($6) Soil Nitrate (NO3-N)




Soil Sample Submittal Page

Soil Sampling Guide