Potassium fertilizers are essential nutrients used in agriculture to promote healthy plant growth. They provide potassium, a vital element that helps plants with water regulation, enzyme activation, and photosynthesis. Common forms of potassium fertilizers include potassium chloride, potassium sulfate, and potassium nitrate. These fertilizers are often applied to crops like corn, potatoes, and tomatoes to enhance yield and improve fruit quality. Proper use of potassium fertilizers can lead to stronger plants that are more resistant to diseases and environmental stress, ultimately contributing to better agricultural productivity.