NPK 13-00-45 Potassium Nitrate is an essential fertilizer for agricultural use. It is a white powder with a high solubility rate and is composed of nitrogen, phosphorus, and potassium. The NPK ratio of this fertilizer is 13-00-45, meaning it contains 13% nitrogen, 0% phosphorus, and 45% potassium. This fertilizer can be used for a variety of crops, including fruits, vegetables, grains, and grass. NPK 13-00-45 Potassium Nitrate is a reliable fertilizer that helps to increase crop yields and improve the quality of the soil. It helps to promote healthy root growth and increases the availability of essential nutrients in the soil. This fertilizer is also known to reduce the risk of disease and pest infestation in crops. NPK 13-00-45 Potassium Nitrate is easy to apply and store. It should be stored in a dry place and can be applied to the soil by hand or with a fertilizer spreader.