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Articles

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  • Positive charge finding to change fertiliser management

    Positive charge finding to change fertiliser management

    The research in this article looks at the underlying assumption that soils in Western Australia (WA) are only negatively charged and so do not retain nitrate against leaching. It found that this is not based on scientific evidence. It discusses how ...

    Wong M, Filmer

  • Testing confirms more efficient fertiliser use lifts gross margins

    Testing confirms more efficient fertiliser use lifts gross margins

    This article discusses how accounting for the variation in crop yield potential due to season and soil type when formulating fertiliser rates can increase profit and reduce nutrient excesses. It shows that improved estimates of yield potential can ...