Soil Calculator

Enter your soil test data to see how your levels compare to the ideal and get a tailored amendment plan from the AG Model.

Cultivation Style

How and where you're growing.

Soil Characteristics

Physical properties of the soil.

Target levels are calculated from your TEC, pH and base-saturation inputs when you run the model.

Primary Cations

Calcium (Ca)—
Magnesium (Mg)—
Potassium (K)—
Sodium (Na)—

Primary Anions

Phosphorus (P)—
Sulfur (S)—

Secondary Cations

Iron (Fe)—
Manganese (Mn)—
Copper (Cu)—
Zinc (Zn)—

Secondary Anions

Boron (B)—

Amendment Inputs Preview

Pick amendments and amounts to model — amendment math is coming soon, so these don't change results yet.

AmendmentAmount

Soil Levels by Element

Enter your lab ppm values under My ppm. Ideal & difference fill in when you run the model.

ElementMy ppmIdeal ppmDifferenceAmended ppm
Primary Cation Elements
Calcium (Ca)———
Magnesium (Mg)———
Potassium (K)———
Sodium (Na)———
Primary Anion Elements
Phosphorus (P)———
Sulfur (S)———
Minor Cation Elements
Iron (Fe)———
Manganese (Mn)———
Copper (Cu)———
Zinc (Zn)———
Aluminum (Al)———
Minor Anion Elements
Boron (B)———

Recommendations & Analysis