1965 Development of the coated-fertiliser process
The coated-fertiliser method was invented by the United States-based agricultural business Archer Daniels Midland Corporation. While it was initially intended for cereal crops, the product — which they called Osmocote — proved to be too expensive for widespread cultural application. As Osmocote better suited a specialty market, the firm decided to sell the product and the technology.
1966 Sierra Chemical Company establishes
Two complementary technologies — Osmocote-coated fertiliser and Agriform fertiliser tablets — form the basis for this new company.
1967 The Osmocote era begins
Sierra introduces the first generation of Osmocote coated fertilisers. These are an NPK granule with an organic resin coating around it, ensuring that just one application of nutrients is sufficient for a long period of time.
1970s Expansion into Europe and significant product development
The 1970s sees the development and introduction of the new eight-to-nine month formulation, which reduces growers’ need to top dress crops every three months. This decade also sees Bob Severn, president of the Sierra Chemical Company, make "going to the growers" the ethos of the Osmocote business. This leads to the establishment of major research and development (R&D) facilities in the Netherlands and a global network of technical advisors.
In 1977, the construction of a new manufacturing plant in the Netherlands starts and, in 1978, Sierra opens this new European factory site in Heerlen.
- This is content produced in partnership with ICL. Read the full story of 50 years of Osmocote here.