Koch Agronomic Services, LLC (KAS)

DURATION CR® Controlled-release Fertilizer

With Duration CR® controlled-release fertilizers from Koch Agronomic Services, nitrogen (N) is released gradually throughout the plant’s growth cycle, resulting in precise, predictable feeding that lasts for months. Available in four longevities with various release rates, Duration CR® fertilizer will take the worry out of maintaining healthy turf, ornamentals and specialty crops while giving you the exceptional performance you demand.

  • Extensively tested in field trials for both turf and agricultural applications
  • Can easily withstand normal handling and abrasions
  • Reduced Applications and costs
  • Granules protected by a polymer coating protect nitrogen
  • Use up to 40% less nitrogen per year

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