How do you mix potassium humate?

Potassium humate is a soil conditioner that can improve the growth and health of plants. There are different ways to mix potassium humate depending on the form and the purpose of application. Here are some general guidelines:

  • If you have potassium humate in powder form, you can prepare a solution by mixing 1 teaspoon of potassium humate with 1 gallon of water. You can apply this solution to the soil around the plant, taking care to avoid contact with the plant itself. Water the plant as usual, making sure the soil is moist but not soggy.
  • If you have potassium humate in granular form, you can apply it directly to the soil at a rate of 2-4 lbs per acre. You can also dissolve it in water at a ratio of 1:10 and spray it on the soil surface. This will help to increase the cation exchange capacity and nutrient availability of the soil.
  • If you want to use potassium humate as a foliar spray, you can mix 1-2 grams of potassium humate in 1 liter of water and spray on both sides of the leaves of the plants.This will improve the absorption of essential nutrients and help to keep the leaves healthy.
  • Here are some tips for properly mixing and dissolving potassium humate:
  • Use warm water – Potassium humate dissolves more readily in warm water (30-40°C). The heat helps break down the humic acid particles.
  • Agitate the solution – Stirring or agitating the solution as you add the potassium humate will help it dissolve and disperse faster. Use a paddle mixer or agitator if possible.
  • Add slowly – Sprinkle the potassium humate powder slowly into the water while stirring. Adding it too fast can cause clumping. Go slowly to allow it to properly wet and dissolve.
  • Use a dispersant – Adding a dispersing agent like soda ash can help break up any clumps and evenly disperse the potassium humate.
  • Allow time to dissolve – Once added, allow the solution to sit for 30-60 minutes, stirring occasionally, to allow full dissolution. The solution will darken as it dissolves.
  • Use warm water for rinses – When rinsing out tanks or equipment, use warm water to ensure maximal removal of potassium humate residues.
  • Filter if needed – For sprayer applications, filter the end solution through a fine mesh strainer to remove any insoluble particles.
  • Check solution pH – Aim for a pH of around 8-9 for optimal solubility and availability of the humic acids. Adjust if needed.
  • Use within 8 hours – Mix only the amount needed for a single application, as potassium humate solutions degrade over time. Use within 8 hours.

Potassium humate is derived from leonardite, which is a type of oxidized lignite (brown coal) that has a high content of humic acids. Humic acids are organic compounds that can enhance the soil structure, water retention, microbial activity, and plant growth. Potassium humate is one of the salts of humic acid, along with sodium humate and others.