Humic Acid Fertilizer"Greenway Biotech Brand" 5 Pounds 5 Pounds of Greenway Biotech Humic Acid Fertilizer 35% Humic Acid Easy to Apply Spherical, Uniform, Low Dust Formulation Self Incorporates with Irrigation or Rainfall Humate May Increase or Enhance Micronutrient Uptake Derived from Leonardite