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Agriculture
In agriculture, humic acid, potassium humate and fulvic acid are used as soil conditioners and fertilizer additives. Insoluble humic acid and granules go into the soil; soluble grades are used in drip irrigation and foliar sprays. The guides below cover how they are applied and what to check.
How it is applied
Three routes into the field
Soil application
Insoluble humic acid and granules go into the soil, usually with the base fertilizer.
Drip irrigation
Soluble grades such as potassium humate, dissolved and filtered before the irrigation tank.
Foliar spray
Soluble grades such as potassium fulvate in spray solutions.
Related products
| Product | In water | Main route | |
|---|---|---|---|
| Humic acid | Insoluble | Soil, granular blends | Product → |
| Potassium humate | Soluble | Soil, drip, foliar | Product → |
| Potassium fulvate | Soluble | Drip, foliar | Product → |
Guides
Choosing a grade for your crop or fertilizer?
Send the application and quantity; we reply with the TDS.