How Do You Add Potassium To Soil?
How Do You Add Potassium To Soil? Using A Commercial Fertilizer. Go to your local garden center and purchase a commercial potassium fertilizer. … Add Kelp Or Seaweed To Your Soil. … Using Wood Ash. … Adding Compost To Your Soil. How is potassium fertilizer made? Today, potash comes from either underground or solution mining.