Please fill or choose the data marked red and try submitting again.
    AgriLife EXTENSION logo (Black)
    Texas A&M AgriLife Extension Soil, Water and Forage Testing Laboratory Soil Fertility Recommendation Calculator
      Units Test Values* Critical Value Recs Units  
      Nitrate-N   ppm -
      Mehlich III Phosphorus ppm
      Mehlich III Potassium ppm
    Enter your soil test data in the red rectangles above.
    Select the drop down-menu from the following crop categories (select only one)
    Lawn or Gardens
    Forages
    Oil Crops
    Vegetable, Fruit and Nut Crops
    Rowcrops and Grains
    Landscape
    Fiber Crops
    Tree Production
    *Insure "Test Values" entered were measured using methods used by the Texas A&M AgriLife Extension Soil, Water and Forage Testing Laboratory. Data acquired by other methods are not applicable.