Who we are
For 40 years, we've delivered premium plant nutrition solutions that help growers achieve stronger crops, higher yields, and better returns. Every product is developed to the highest quality standards, ensuring consistent performance when it matters most.
Trusted by Growers
Trust is earned in the field. For four decades, growers have relied on our expertise, technical support, and proven solutions to help them overcome challenges and capture opportunities. We're committed to building long-term partnerships that deliver lasting value.
Proven Performance
Results are at the heart of everything we do. Our nutrition programs are designed to maximise crop potential, improve productivity, and deliver measurable outcomes on farm. We don't just supply products-we help growers achieve better performance year after year.
Our key products
The products that built our reputation.
Our flagship range — proven across trials and trusted by growers across a wide range of crops and conditions.
Agri-Fos 600
Australia's leading potassium phosphite — trusted for managing Phytophthora root rot and supporting plant health.
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Kelpak
A natural Ecklonia maxima seaweed biostimulant supporting root development, stress tolerance and crop quality.
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Agri KS32
Chloride & nitrate-free potassium with sulphur for colouring and finishing in fruit crops.
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Cal40
High-analysis calcium suspension to correct deficiencies and improve shelf life and storage quality.
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Grocal MGB
High-analysis calcium with magnesium, boron & nitrogen to strengthen cell walls in fruit & veg.
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Keystone Plus
Starter & foliar fertiliser for high plant-available nitrogen & phosphorus during growth.
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Supa Agri Mix
EDTA + multi-ligand chelates of essential trace elements for efficient delivery through fertigation.
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Supa Stand Phos
Germination & root booster — a highly effective starter fertiliser for establishment and growth.
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Enhance KCS
Silica, calcium & potassium to lift salinity tolerance, disease resistance and shelf life.
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Supa 3ZBM
Concentrated Zinc, Boron & Molybdenum for maintenance or correction of deficiencies.
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Complete ZMC
High-analysis Zinc, Manganese & Copper for healthy, vigorous, uniform plant growth.
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Endurance Cal
100% soluble calcium & sulphur to improve soil properties and correct deficiency.
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Activist Cal Mag
Australian Certified Organic calcium and magnesium to improve fruit quality, nutrition and soil.
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Maxi Fruit
High-analysis NPK solution with trace elements for flowering and fruit filling.
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Kalica
High-analysis phosphorus, potassium & calcium for quality and colour in fruit and veg.
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Maxi Mang
A high-analysis source of manganese, ideal for foliar & seed dressing across many crops.
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Bud2
Delivers calcium, zinc, magnesium and boron to support pollen formation, bud development, fruit set and fruit quality.
View product ›AGRI-FOS® 600 · 25 YEARS
Celebrating 25 years with Avocados Australia
Agri-fos® 600 is Australia's leading potassium phosphite formulation, trusted by growers for its proven efficacy in managing Phytophthora root rot in avocados. With over 25 years of manufacturing excellence, it's backed by rigorous quality control and industry-leading consistency.
The right nutrition program makes the difference between a good season and a great one.
Talk to an Agrichem staff member today about finding the right solutions for your needs.
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