Green-T® 20-0-3, 25% SRN is a high nitrogen fertilizer that is fantastic for the Lawn Care Industry. It is ideal for maintaining the health, vigor and color of your turfgrass. Green-T® 20-0-3, 25% SRN provides immediate plant response with most of the available nitrogen in the quick release form. 25% of the available nitrogen is slow release from Triazone which maintains the available nitrogen for an extended period of time.