Dirt M.D. Application & Compatibility Information

Application and Compatibility Information

Dirt M.D.TM  is a humic powered supplement that is formulated to allow ease of use and ensure maximum benefits. It is designed to help localize nutrients and help their uptake while providing broad benefits within the plants as well.

Application Rates for Farm Use (for home and garden rates – click here)

Soil: Apply 1 to 3 gallons per acre during pre-plant soil preparation or monthly with irrigation (Dirt M.D. is completely miscible in water).

Foliar: Apply 1 to 3 quarts per acre with sufficient water for thorough coverage.   Product can be applied by air or ground application.  Apply monthly after leaves emerge.

Drip: Apply 1 to 2 gallons per acre during growing season (starting 20 days post seeding/transplanting) depending on crop cycle.

Compatibility Information

Dirt M.D.TM is an alkaline liquid but has very little buffering capacity making it compatible for mixing with a variety of fertilizers and pesticides.

Please refer to the table below for information on Dirt M.D.’s compatibility with common fertilizer products. (Click here for PDF of table)


Products RESULT
Urea Good
Potassium Nitrate Good
Potassium Chloride / Sulfate Good
Borax Good
UAN 32% Good
20% Urea Good
Aqua Ammonia Good
Disodium EDTA Micronutrients Compatible
Calcium Phosphite Compatible – Use extra surfactant for spray
Magnesium Phosphite Compatible – Use extra surfactant for spray
Calcium Carbonate Compatible – Use extra surfactant for spray
Ammonium Phosphate Will Precipitate
Calcium Nitrate Will Precipitate
Calcium Ammonium Nitrate (CAN) Will Precipitate
N-Phuric Not Compatible

If Dirt M.D. cannot be mixed with certain fertilizers, add it separately with water in-between nutrient applications.

For pesticides and PGRS please contact us for compatibility recommendations

NOTE – Always conduct a jar test before application.