Australia has some of the oldest, most fragile and hostile soils in the world. Soil acidity, sodicity, salinity and compaction are major constraints that we must address to drive further yield improvement and ensure long-term sustainable intensification of food production. Continuous cropping systems present potential for soil organic matter decline in soils that have generally low levels of organic matter and in a world that is looking for opportunities to sequester more carbon. This challenge is about unlocking the full potential of our soils. How do we find new ways to tackle the chemical, biological and physical barriers holding us back, tap into soil nutrient reserves, build soil organic carbon and biological activity in our soils?
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