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  • Since 1989
  • Premium Products for Best Results
  • Since 1989
  • High Production Pasture Products
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    Ben McTaggart
    “It’s a really high quality product, compounded with lots of nitrogen and phosphorus and zinc..”

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Recent News

  • Sulphate of Ammonia - more than just $/t

    21 April 2015

    Sulphate of Ammonia is often favoured as a source of nitrogen and sulphur by growers as it's price per tonne is low and it can be spread during late summer or autumn.

    But there are other factors that need to be considered if SOA is to be compared to urea or other nitrogen sources.

    Read more ...
  • Would You Like Sulphur With That?

    14 April 2015

     Sulphur is often the the forgotten nutrient. Or at least the one that comes by default, the applied rate being whatever happens to be in the fertilizer of choice.

    Read more ...
  • Phosphorus in the Eastern Wheatbelt - a summary

    01 April 2014

    Summit Fertilizers have been conducting nitrogen (N) and phosphorus (P) response trials for a number of years in the eastern wheat belt. The figure below details soil P data and P binding ability from the trial sites sown to wheat from 2012 to 2014.

    Read more ...
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