Spray drying technology is a method used in the manufacturing of high-quality plant fertilizers. In this process, liquid fertilizer formulations are atomized into fine droplets and then rapidly dried by hot air or other drying agents. The droplets are dispersed into a heated chamber, where they lose moisture quickly, resulting in the formation of dry powder or granules.

This method is much more expensive to manufacture nutrients and is not used by the majority of nutrient manufacturers, but the benefits are:

1. Uniformity: It ensures uniform distribution of nutrients throughout the fertilizer particles, resulting in consistent plant growth.
2. Solubility: The dried particles have increased solubility, allowing for faster nutrient uptake by plants.
3. Stability: It helps in preserving the integrity of sensitive nutrients and active ingredients, minimizing degradation during storage and transportation.
4. Customization: Manufacturers can easily adjust the formulation and particle size to meet specific plant nutrient requirements and application methods.