Granular fertilizers

Healthy turf starts with consistent, well-managed nutrition. ICL develops granular fertilizer technologies for all types of turf that help deliver reliable turf performance throughout the year.

Granular fertilizers play an important role in turf management by supplying essential nutrients to support growth, color, recovery, rooting, and overall turf health. Different fertilizer technologies release nutrients in different ways, allowing turf managers to match nutrition programs to turf requirements, environmental conditions, maintenance schedules, and performance expectations.

Conventional Release Fertilizers

Conventional fertilizers contain nutrients that become available quickly after application, providing a fast turf response and immediate nutritional support. These products are often used when rapid green-up, recovery, or short-term turf response is required.

Controlled-Release Fertilizers (CRFs)

Controlled-release fertilizers use coating technologies to regulate nutrient release over time. This helps deliver a more consistent supply of nutrition throughout the application period while reducing excessive growth flushes, nutrient loss, and application frequency.

CRF technologies can support:

• More consistent turf growth and color
• Improved nutrient-use efficiency
• Reduced leaching potential
• Longer-lasting performance
• More predictable feeding patterns

Slow-Release Fertilizer Technologies

Slow-release fertilizers gradually release nutrients as they break down in the soil. These technologies help maintain steady turf nutrition over extended periods and can support more balanced growth and improved turf consistency.

Slow-release technologies are commonly used to:

• Maintain sustained turf performance
• Reduce growth surges
• Support consistent turf quality
• Extend feeding longevity

Independent turf trials and field research have consistently demonstrated the importance of nutrient form, release pattern, and application timing in turfgrass management. Premium granular fertilizer formulations can help improve turf quality, rooting, visual performance, and overall turf resilience when used as part of a well-planned nutrition program.

Research and practical field experience also show that controlled and slow-release technologies can help turf managers maintain more consistent playing surfaces while improving nutrient efficiency and reducing unnecessary waste.

Choosing the Right Granular Fertilizer

Selecting the right fertilizer depends on several factors, including:

• Turf species
• Surface type
• Seasonal requirements
• Growth expectations
• Maintenance intensity
• Environmental conditions
• Application frequency

Different fertilizer technologies can be used individually or combined within an annual turf nutrition program to support both short-term turf response and long-term turf health.

Explore the different granular fertilizer technologies available from ICL to find the right solution for your turf management program.