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Closing the yield gap after sandy soil amelioration: Sherwood trial 2022 – SA (Case study)

This case study, funded by the Grains Research and Development Corporation (GRDC), illustrates how farmers in the Sherwood district in South Australia have improved yield in sandy soils with water repellence, extremes in pH, high soil strength and poor nutrient fertility. They have used different combinations of delving, clay spreading and deep soil tillage over a 30 year period. Results show that  the yield gap can be substantially closed on ameliorated soils when nutritional strategies are matched to water limited yield potential [PDF 4 MB, 8 pages]. While this case study was based in South Australia, it may also be relevant to sandy soil cropping in other regions. #

  • Audience: RSP, tertiary students, landholders, SFSG, consultants
  • State: SA
  • Author/Editor: M Fraser, A Pearce, I Ludwig, T Johnson and J Desbiolles
  • Publisher: MacKillop Farm Management Group
  • Resource Type: Case study
  • Copyright Year: 2023
  • Not Provided
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Resource Last Updated: February 13, 2025

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