Zinc Differently

40 Rock™

A versatile fertilizer, and then some.

Zinc-infused fertilizer with a homogenous pellet that evenly distributes nutrients throughout the field and allows for quicker plant uptake and enhanced crop yields.

Benefits to the Grower

Simplot's 40 Rock™ allows growers the ability to increase the zinc levels in the soil and enhance crop yield with a simple application, though:

  • Homogenous pellets providing uniform field applications
  • Non-segregated nutrients when applied to soil
  • Easy adaptation to a wide range of application practices, including broadcast, banded, grain drills, and side-dressed
  • Blended components in custom dry blends with other NPK fertilizers

Product Data Sheet

Safety Data Sheet

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Zinc Infused Homogenous Pellets

Balanced levels of zinc within the soil are critical in the growing process and vital for the biochemical pathways of healthy plants. Zinc deficiencies lessen plant quality and reduce crop yields. With 40 Rock™, the J.R. Simplot Company has developed a novel homogenous pellet to deliver zinc uniformly throughout the soil.

Agronomic Features

40 Rock™ is an enhanced zinc-infused homogenous pellet formulated to evenly distribute the nutrient throughout the field. 40 Rock™ delivers:

  • Zinc in every NPSZ Pellet
  • Uniform distribution of nutrients in a single granule
  • All sulfur is in sulfate form
  • All zinc as soluble ZnSO4