Humic Acid & Humus-Building Fertilizers

Compare products by nutrient analysis, formulation, application method and label directions.

Mound of dark humic acid granules

Fertilizers to Add Humus

Humic Acid and Humus-Building Inputs

Compare humates, humic-acid products and fertilizer blends that include carbon-rich or humus-related ingredients. Products vary in concentration, solubility, source material and nutrient content.

Choosing and Applying

Distinguish a concentrated humic product from compost or other organic matter. Use the analysis and label rate to select the appropriate material for soil, irrigation or blending.

Browse organic-matter inputs, soil-life products and the main fertilizer collection.