Potassium Nitrate KNO 3

Industrial Uses:

• It is used to make explosives, Matches, Fireworks, Glass, Rocket, fuel etc.
• Potassium nitrate has long been used for fireworks and gunpowder.
• It’s now more commonly added to food to maintain the quality of meat and cheese.
• Specialty toothpaste often contain KNO₃ to alleviate tooth sensitivity.
• A mixture of KNO₃ and sodium nitrate (NaNO₃) is used for storing heat in solar energy installations.

Agriculture Uses:

• Applications of KNO₃ to the soil are made before the growing season or as a supplement during the growing season.
• A diluted solution is sometimes sprayed on plant foliage to stimulate physiological processes or to overcome nutrient deficiencies.
• Foliar application of K during fruit development advantages some crops, since this growth stage often coincides with high K demands during the time of declining root activity and nutrient uptake.
• Further, it’s easy to handle and apply, and is compatible with many other fertilizers, including specialty fertilizers for many high-value specialty crops, as well as those used on grain and fiber crops.
• It’s also commonly used for greenhouse plant production and hydroponic culture.