Summit Fertilizers commenced in 1989 when a cargo of 5,000 tonnes of DAP was brought into leased premises at Kwinana. Summit have grown from their early days as an importer, to having a manufacturing base with a range of innovative products and services. Summit have led change in the industry, and this is demonstrated in the innovations that Summit have introduced to the WA market. Our Services: Summit Fertilizers uses an independent laboratory for both Soil & Plant Analysis with interpretations based on Agriculture WA DATA and our own extensive Field Research. Some fertilizer can be coated with IMPACT® or Endure to help control Blackleg in Canola and some cereal diseases. Get over the phone or on the farm advice through Summit's own agronomists or our extensive network of AGENTS. Summit carry out a range of field trials every year. Custom blending is a Summit speciality.