Laboratory Testing Overview  

AGRICULTURAL TESTING
AND SERVICES

SOIL ANALYSIS

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TEST GROUP 1:
   pH (soil), available phosphorus (P1) and exchangeable potassium (K), includes recommendations

TEST GROUP 2:
    Test Group 1 plus organic matter plus cation exchange capacity (CEC) series-pH (buffer), exchangeable magnesium, calcium, and hydrogen

TEST GROUP 3:
    Test Group 1 and 2 plus iron, zinc, manganese, copper, sulfur, and boron

TEST GROUP 4:
    Lawn and Garden, Test Group 1 plus organic matter, including lawn/garden recommendations

Do-It Yourself Lawn and Garden sampling Kit (click for details)

Additional analyses to be run with any of the above groups:

   Cation exchange capacity (CEC) series-pH (buffer),
       exchangeable magnesium, calcium, and hydrogen
   Sodium
   Organic matter
   Strong phosphorus (P2) or sodium bicarbonate P
   High P1
   Soil nitrate
   Water nitrate
   Micronutrients: Iron, zinc, manganese, copper
   Boron
   Available sulfur
   Soluble salts
   Soil texture  (pipette method)
      With hydrogen peroxide treatment
   Available water holding capacity
   Sample compositing (per composite sample)
                                   

PLANT ANALYSIS

    Complete Plant Analysis: Nitrogen, phosphorus,
      potassium, sulfur, magnesium, calcium, iron,
      manganese, copper, boron, and zinc
                                   

MANURE ANALYSIS

    Nitrogen, phosphorus, and potassium
    Solids
                                   

LIME ANALYSIS

    Limestone analysis (moisture, CCE, sieve)
    Calcium or magnesium (each, with CCE)
                                   

PESTICIDE RESIDUES

    Insecticides
    Herbicides
                                   

SAMPLING AND TESTING

    Information on Request
                                   

PROFESSIONAL TIME AND FIELD WORK

    Field sampling with Giddings Hydraulic Probe for bulk
       density and other laboratory determinations

                                   

Other tests available on request.