Model XCU - Slow Release Fertilizer



XCU slow-release fertilizer provides gradual, steady nutritional uptake for up to 10 weeks of plant response. XCU fertilizer has the highest nitrogen (N) content (43%) and lowest sulfur content (4%) of any polymer-coated sulfur-coated urea (PCSCU) on the market. The value is more area can be covered per application using less fertilizer, which is more efficient and economical. Also, with less N lock-off more of the applied N is taken up and utilized by turfgrass or plants in the expected time frame.


  1. Less sulfur coating reduces N lock-off and delivers more N
  2. Coating integrity is maintained during transport, blending, bagging and application
  3. Outer layers consist of a thin coating of elemental sulfur and polymer wax, which work together to protect the inner polymer coating
  4. Inner layer consists of a thin, cross-linked polymer film that encapsulates and protects the urea granule
  • SGN options - mini and regular

  1. Soil moisture penetrates the sulfur and polymer coatings.
  2. Nitrogen (N) begins to dissolve creating pressure within the granule.
  3. With previous-technology SCUs, this pressure cracked the coating, immediately releasing N (catastrophic release). The inner polymer coating of XCU® fertilizer results in a hybrid of diffusion-based release and catastrophic release, resulting in a more consistent release profile.
  4. After N release, the sulfur eventually breaks down into the soil where it may be taken up by the plant.

XCU® slow-release fertilizer has been widely used by superintendents, LCOs, municipal turf managers and professional landscapers to economically and efficiently promote a plant response of health, growth and color for up to 10 weeks per application.

  • Unique, durable coating provides gradual, consistent N release when needed to optimize nutrient uptake by the plant
  • Increased percentage of XCU® fertilizer in blends delivers increased value and improved nutrient uptake
  • Dual-coated technology provides up to 10 weeks of plant response
  • Fewer applications can reduce overall fertilizer expense, fuel costs and equipment upkeep; allows optimization of labor
  • Highly flowable for ease of handling and consistent application
  • Environmentally responsible with low potential for nutrient leaching, denitrification, runoff or volatilization

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